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Calculator Tools

Financial, scientific, health and engineering calculators

313 tools

Finance & Economics 10

Loan Calculator

Calculate monthly payment and total interest

Compound Interest

Calculate investment growth with compound interest

Mortgage Calculator

Includes PMI & taxes

Investment Growth

Compound growth with contributions

Retirement Calculator

Will your savings last?

Discount Calculator

Compute final price

Calculate tip and split bill

Currency Converter

Convert between major currencies — reference or live rates

Calculate VAT (Saudi 15% + custom rate)

Saudi Salary Calculator

Net salary + GOSI + end-of-service (Saudi labor law)

Health & Fitness 7

Calculate Body Mass Index

Devine/Robinson/Miller/Hamwi

Heart Rate Zones

Karvonen method

TDEE/BMR Calculator

Calculate Basal Metabolic Rate and daily calorie needs

Pregnancy Calculator

Calculate expected due date and pregnancy week

Macros Calculator

Protein/Carbs/Fat

Math & Science 8

Scientific Calculator

Full scientific calculator with sin/cos/log and more

Percentage Calculator

All types of percentage calculations

Mean/Median/Mode/StdDev

Triangle Calculator

Area, perimeter, angles

Random Number Generator

Random numbers in range

Combinations & Permutations

C(n,r) and P(n,r)

Is prime + factorization

Fuel Cost Calculator

Trip cost based on consumption

Time & Date 4

Date Difference

Calculate difference between two dates

Calculate exact age in years, months, days and more

Display current time across multiple cities

Calculate prayer times by GPS coordinates

Other 4

Length · weight · temperature · area · speed · volume

Calculate GPA on 4.0, 5.0 or international scale

Zakat Calculator

Zakat on money, gold, silver, trade goods, agriculture & livestock

Islamic Inheritance

Calculate Islamic inheritance distribution (Faraid) per Sharia law

Physical Sciences 25

Ohm's Law Calculator (V=IR)

Calculate any of voltage, current, or resistance given the other two values

Density Calculator (D=M/V)

Calculate density, mass, or volume for any material using their fundamental relationship

Chemical Compound Molar Mass Calculator

Calculate the molar mass of any simple chemical compound from its elements

Force, Work & Energy Calculator

Calculate force, mechanical work, potential and kinetic energy in any physics scenario

Scientific Temperature Converter

Convert between different temperature scales (Celsius, Fahrenheit, Kelvin, Rankine)

Universal Unit Converters

Convert between cosmic and astronomical units like light-years, parsecs, and astronomical units

pH & Acidity Calculator

Calculate pH levels and understand hydrogen ion concentration with everyday substance examples

Wave Frequency & Wavelength Calculator

Calculate the relationship between wave speed, frequency, and wavelength for various wave types

Visible Light Spectrum Calculator

Convert between frequency, wavelength, and energy of visible light and identify the corresponding color

Series & Parallel Resistor Calculator

Calculate total resistance for any circuit with series or parallel resistor arrangement

Stoichiometry Calculator

Calculate reactant and product quantities in chemical reactions based on stoichiometric ratios

Pressure Units Converter

Convert between different pressure units (Pascal, Bar, Atmosphere, PSI)

Momentum & Conservation Law Calculator

Calculate momentum of objects before and after collision using conservation of momentum

Bernoulli's Equation Calculator

Apply Bernoulli's equation to calculate pressure, velocity, or height of fluids at any point

Radioactive Decay & Half-Life Calculator

Calculate the remaining radioactive material after a given time knowing its half-life

Ideal Gas Law Calculator (PV=nRT)

Calculate any of the four variables in the ideal gas law given the other three

Projectile Motion Calculator

Calculate projectile motion: range, maximum height, and flight time

Lens & Mirror Equation Calculator

Calculate image distance and magnification using thin lens or spherical mirror equations

Heat & Enthalpy Change Calculator

Calculate heat transfer and enthalpy change in chemical reactions and physical processes

Doppler Effect Calculator

Calculate frequency shift due to source or receiver motion (Doppler effect)

Newton's Universal Gravitation Law Calculator

Calculate gravitational force between two objects using Newton's Universal Law of Gravitation

Sound Intensity (Decibel) Calculator

Calculate sound intensity in decibels and understand sound levels in daily life

Magnetic Field Calculator

Calculate magnetic field produced by a straight wire, circular loop, or solenoid

Gravity & Free Fall Calculator

Calculate distance, velocity, and time for free fall on Earth and other planets

Periodic Table Elements Reference

Quickly look up information about any chemical element from the periodic table

Finance & Real Estate 8

Inflation & Purchasing Power Calculator

Calculate the real value of money after inflation and compare purchasing power across years

Salary Raise Impact Calculator

Calculate the impact of your salary raise on monthly/annual income and actual value after deductions

Real Estate Rental Yield Calculator

Calculate annual and net rental yield from real estate investment with maintenance and management costs

EMI Monthly Payment Calculator

Calculate your monthly installment for any loan or mortgage with amortization schedule and total interest

Personal Break-Even Point Calculator

Calculate when you start making real profit from any personal project or investment

Tax & Fiscal Obligations Estimator

Estimate your tax obligations (VAT, Zakat, income tax) for better financial planning

Savings Planner & Goal Achiever

Calculate how much you need to save monthly to reach your financial goal on time with interest

Personal Net Worth Calculator

Calculate your true net worth by adding assets and subtracting liabilities for a complete financial picture

Daily Life 6

Water Consumption & Bill Calculator

Calculate your monthly water bill and identify where most consumption goes to reduce costs

Electricity Bill Calculator

Calculate electricity costs of your home appliances and identify the biggest consumers to save

Food Cost & Restaurant Pricing Calculator

Calculate your meal costs and food cost percentage for correct pricing in your restaurant or food business

Total Cost of Car Ownership Calculator

Calculate the true total cost of owning a car including financing, fuel, maintenance, and insurance

Currency Conversion with Fee Calculator

Calculate the actual transferred amount after deducting brokerage fees and exchange rate spreads

Comprehensive Body Measurements Calculator

Calculate key body measurements for fitness, clothing, and general health purposes

Other Tools 240

Distance/Speed/Time

Solve d/s/t given two of three

Running Pace Calculator

Distance/time ↔ pace

Ovulation Calculator

Estimate fertile window

Sleep Cycle Calculator

Optimal wake times based on 90-min cycles

Hijri ↔ Gregorian Converter

Convert between Hijri and Gregorian dates

Interactive Hijri Calendar

Browse Hijri months with Gregorian equivalents

Age in Hijri & Gregorian

Calculate your age in both calendars

Day of Week Finder

Find the day of week for any date

Days Between Dates

Days · weeks · months · years + workdays

Working Days Calculator

Calculate working days excluding weekends & holidays

Find the moon phase for any date

Upcoming Saudi Occasions

Countdown to national and Islamic occasions

Western Zodiac Sign

Your zodiac sign with symbol, element, and ruling planet

Zodiac Compatibility

Discover your zodiac compatibility with another person

Find your Chinese zodiac animal

Life Path Number

Calculate your life path number from your birthdate

Biorhythm Chart

Track your physical, emotional, and intellectual cycles with interactive chart

Ramadan Countdown

Days until Ramadan and approximate sehour/iftar times

Qibla Direction — Interactive Compass

Animated SVG compass with Qibla direction, distance to Mecca, map link and prayer times

Hajj season information and countdown

Hijri Months Guide

Meanings and key events of Hijri months

Sadaqah & Kaffarah Calculator

Calculate Kaffarah and Fidya amounts

Fidya Calculator

Calculate fidya for missed Ramadan fasts

Reading Speed Test

Measure your reading speed in words per minute

Reaction Time Test

Measure your reaction time — 5 rounds

Number Memory Test

Test how many digits your memory can hold

Perceived Stress Scale

Measure your stress level with the PSS-10 scale

Daily Water Intake

Calculate your daily water need and track intake

Caffeine Tracker

Track your daily caffeine intake

Quick IQ Estimation

10 timed logic questions — entertainment only

Break-Even Analysis

Calculate break-even point and margin of safety

Return on Investment (ROI)

Calculate investment return and annualized ROI

Compound Annual Growth Rate (CAGR)

Calculate the compound annual growth rate of your investment

Customer Lifetime Value (CLV)

Calculate how much a customer is worth over their lifetime

Professional Invoice Creator

Professional invoice with templates, logo, multi-line items, VAT, discount, currencies, AR/EN and PDF export

Complete Saudi Payroll Calculator

Full payroll with GOSI, allowances, overtime, end of service, leave encashment and printable payslip

Freelance Rate Calculator

Calculate your minimum hourly and project rate as a freelancer

Profit & Loss Statement

Build a simple Profit & Loss statement

Paint Calculator

Calculate paint needed for your room

Tile Calculator

Calculate tiles needed and total cost

AC BTU Calculator

Calculate the right AC capacity for your room

Rent vs Buy Analysis

Which is better financially: renting or buying?

Plant Watering Guide

Find the right watering schedule for your plant

Carpet Size Guide

Find the right carpet size for your room

Grade Curve Calculator

Adjust student grades by adding points or scaling

Study Plan Generator

Distribute your study hours optimally before exams

Academic Citation Pro

APA/MLA/Chicago/Harvard/IEEE/BibTeX with DOI import, bibliography list and export

Track your upcoming exam dates

Essay Word Counter & Analysis

Analyze your essay: sentence highlighting, vocabulary richness, reading level, suggestions

Quote Generator

Inspiring quotes in Arabic and English

Flip a coin and track statistics

Roll any dice type — D4 to D100

Random Team Generator

Randomly distribute participants into equal teams

Arabic Wordle — Word of the Day

Real Wordle experience in Arabic: 500+ daily words, Arabic keyboard, stats, hard mode, share result

Color Palette Generator

Generate harmonious random color palettes

Personal Movie Rating

Rate movies with weighted criteria and save your list

Multi-Timezone Meeting Planner

Plan meetings across multiple time zones

Flight Duration Calculator

Estimate flight time between any two cities

Smart Packing List

Get a customized packing list for your trip

Jet Lag Recovery Planner

Plan your recovery from jet lag

Saudi Passport Visa Guide

Visa requirements for Saudi passport holders

2×2 Matrix Calculator

Calculate 2×2 matrix operations: addition, multiplication, determinant, and inverse

Number Base Converter

Convert numbers between different number systems: binary, octal, decimal, hexadecimal

Prime Factorization Calculator

Factorize any integer into prime factors and calculate LCM and GCD

Arithmetic & Geometric Sequences Calculator

Calculate any term in arithmetic and geometric sequences and their sums

Advanced Statistics Calculator

Calculate mean, median, mode, variance and standard deviation for a dataset

Advanced Percentage Calculator

Calculate complex percentages: change, increase, discount, original value recovery

Comprehensive Compound Interest Calculator

Calculate compound growth with the option to add periodic payments

2D Vector Calculator

Calculate vector operations: addition, subtraction, dot product, and angle between them

Permutations & Combinations Calculator

Calculate possible arrangements (permutations) or selections (combinations) from a set

Logarithms Calculator

Calculate natural log, common log, log of any base, and exponential function

Comprehensive Trigonometry Calculator

Calculate all trigonometric functions and their inverses in degrees or radians

Polynomial Value Calculator

Calculate the value of any polynomial at a given x with step-by-step solution

2×2 Linear Equation System Solver

Solve a system of two linear equations with two unknowns using Cramer's rule

Quadratic Equation Solver

Solve any quadratic equation ax²+bx+c=0 with discriminant and roots calculation

Shapes Area & Perimeter Calculator

Calculate area and perimeter of any shape: triangle, rectangle, circle, trapezoid and more

Fibonacci Sequence & Golden Ratio

Generate Fibonacci sequence and discover its relationship with the golden ratio φ

Basic Number Theory Calculator

Check properties of any number: primality, perfection, amicability, abundant

Bitwise Operations Calculator

Calculate bitwise operations on numbers: AND, OR, XOR, and bit shifting

Number & Currency Formatter

Format large numbers in readable form in Arabic and English with appropriate units

GCD & LCM Calculator

Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for a set of numbers

Complex Numbers Calculator

Calculate complex number operations: addition, multiplication, modulus, and argument

Basic Probability Calculator

Calculate probabilities for various events: simple, complementary, and compound

Simple Interest & Banking Calculator

Calculate simple interest and total amount for a loan or investment

Recipe Ingredient Scaler

Automatically adjust any recipe quantities for a different number of servings

Pet Care Calculator

Calculate monthly pet care costs and nutritional and medical needs

International Clothing Size Converter

Convert clothing sizes between international systems: US, EU, UK, Italian

Home Garden Planner

Plan your home garden with planting time, spacing, watering, and care instructions

Smart Weekly Meal Planner

Plan a full week of meals with calorie calculation and nutritional variety

Gift & Occasion Budget Planner

Plan your gifts for occasions with budget distribution and tracking

Declutter & Minimalism Assistant

Evaluate what to keep and discard using Marie Kondo methodology and the 30/30 rule

Sleep Schedule & Circadian Rhythm Optimizer

Calculate optimal sleep and wake times based on sleep cycles to wake up refreshed

Personality Type Identifier (MBTI Simplified)

Discover your personality type, strengths, and best work environments and relationships

Daily Gratitude Journal Assistant

Create a gratitude journal entry with scientifically proven prompts to improve mental health

Ideal Morning Routine Builder

Design a personal, science-based morning routine that fits your time and goals

Travel Budget Calculator

Plan your trip budget in detail from accommodation to food, entertainment, and emergencies

World Time Zones Calculator

Calculate the time in any world city with the difference from your local time

Visa Requirements Guide

Discover required documents for your travel visa, costs, and processing times

Hotel & Accommodation Comparison Calculator

Compare different accommodation options considering all hidden costs

Jet Lag Recovery Calculator

Calculate jet lag recovery time and get tips for quick acclimatization

Local Cuisine Guide by Destination

Discover famous dishes, dining etiquette, and food culture in your travel destination

Investment Returns Comparison Calculator

Compare expected returns from stocks, real estate, gold, or bank deposits

Emergency Fund Calculator

Calculate the ideal emergency fund size for your situation and how to build it gradually

Debt Payoff Calculator

Calculate the best strategy to pay off multiple debts: snowball or avalanche method

Saudi Net Salary Calculator

Calculate your net salary after GOSI social insurance deductions for private sector employees

Complete Real Estate ROI Analysis

Analyze real estate investment feasibility including monthly payment, rental yield, and cash flow

Investment Portfolio Rebalancer

Calculate how to rebalance your investment portfolio according to target allocation

Professional Freelancer Invoice Calculator

Calculate your invoice value with VAT, discounts, and net amount

Annual Financial Goals Planner

Set your annual financial goals and plan required monthly savings for each

Allowance & Chores Distribution Calculator

Organize children's allowances and link them to household chores to teach financial responsibility

Back to School Supplies Budget

Calculate school supplies cost for your children and plan back-to-school budget

Safe Screen Time Calculator for Children

Calculate appropriate screen time for your child's age based on medical recommendations

Children's College Education Savings Planner

Plan early savings for your children's college education costs considering inflation

Personal Carbon Footprint Calculator

Calculate your carbon impact on the environment and learn the best ways to reduce it

Home Water Conservation Calculator

Calculate wasted water amounts and how to reduce them to save bills and protect the environment

Home Solar Energy Calculator

Calculate the right solar system size for your home and expected financial savings

Food Waste & Cost Calculator

Calculate the amount and cost of food you waste monthly and its environmental impact

Recycling & Sorting Guide

Learn how to sort your waste correctly and the impact of recycling on the environment

World Capitals Guide

Look up the capital of any country with basic information

Islamic & Arab History Timeline Guide

Learn about the most important historical events in Islamic and Arab civilization

Tip & Bill Splitter Calculator

Calculate appropriate tip and split the bill equally among the group

Chain Discount Calculator

Calculate the final price after applying multiple sequential discounts

Age in Different Units Calculator

Calculate your age in days, hours, minutes, seconds, and weeks

Borrow vs Save Comparison

Compare borrowing now vs saving to buy later to determine the best financial decision

Daily Spending Limit Calculator

Set your monthly budget and convert it to daily spending with remaining days tracking

Comprehensive Units Converter

Convert between 100+ measurement units in distance, area, weight, and volume

Geographic Bearing Calculator

Calculate bearing and distance between any two geographic locations

Number to Arabic Words Converter

Convert any number to proper Arabic words for use in invoices and official documents

Color Names Dictionary (Arabic & English)

Look up the correct Arabic and English name of any color with its corresponding HEX code

Saudi Mortgage Calculator

Calculate your monthly payment for Saudi real estate financing with LTV ratio consideration

Fuel Cost & Distance Calculator

Calculate your trip fuel cost and compare different vehicles

Device Running Cost Calculator (kWh)

Calculate the daily and annual cost of running any electrical device

Loan Affordability Calculator

Calculate the maximum loan you can afford based on your income and expenses

Annual Coffee Cost Calculator

Calculate how much you spend on coffee annually and what cheaper alternatives exist

Mental Math Practice Calculator

Practice quick mental math operations and check your answers

Simple Daily Water Intake Tracker

Track how much water you drank today and how much you need to complete your goal

Simple 50/30/20 Budget Rule

Automatically distribute your income using the golden 50/30/20 rule for financial planning

Roman Numerals Converter

Convert Arabic numbers to Roman numerals and vice versa

Quick Measurement Conversions

Fastest everyday measurement conversions with one tap

Time to Reach Savings Goal

Calculate how much time you need to reach your financial goal

Net Promoter Score (NPS) Calculator

Calculate customer NPS and understand what it means for business

Mortgage Points Break-Even Calculator

Calculate if paying mortgage discount points is worth it

Foreign Currency Investment Return

Calculate true investment return after currency exchange rate changes

Saudi Tax Bracket Guide

Learn about VAT, Zakat, and excise tax in the Kingdom of Saudi Arabia

Dollar Cost Averaging (DCA) Calculator

Calculate your average cost basis when repeatedly buying assets

CAGR Calculator

Calculate the Compound Annual Growth Rate (CAGR) for your investment or business

Water Footprint Calculator

Calculate your daily direct and indirect water consumption

50/30/20 Budget Rule Calculator

Split your monthly income according to the golden personal budget rule

Zakat on Trade Goods Calculator

Calculate zakat due on trade goods and inventory according to Islamic jurisprudence

Loan Offers Comparison

Compare two loan offers to determine which is more cost-effective

Compound Interest with Regular Contributions

Calculate investment growth with regular monthly contributions

Fibonacci Sequence & Golden Ratio Explorer

Explore the Fibonacci sequence, golden ratio, and their applications

Personal Carbon Footprint Calculator

Estimate your annual carbon emissions and learn how to reduce them

Unit Price Calculator for Smart Comparison

Smartly compare purchase options by calculating price per unit

Asset Depreciation Calculator

Calculate depreciation of fixed assets using multiple methods (straight-line, declining balance)

Electrical Calculator (Ohm, Power, Bill)

Calculate Ohm's law, electrical power, and electricity bill cost

Comprehensive Temperature Converter

Convert between all temperature scales: Celsius, Fahrenheit, Kelvin, Rankine

Comprehensive Percentage Calculator

Calculate any type of percentage: of, change, original number

Countdown to Special Event

Calculate time remaining until your special event in full detail

Scientific Notation Converter

Convert between regular numbers and scientific notation easily

Home Affordability Calculator

Calculate the maximum home price you can afford based on income and debts

Download Time & Internet Speed Calculator

Calculate file download time based on your connection speed

Prime Number Checker

Check if a number is prime and get nearby prime numbers

GCF & LCM Calculator

Calculate the GCF and LCM for a set of numbers

2×2 Matrix Calculator

Calculate determinant, inverse, addition, and multiplication for 2×2 matrices

Triangle Solver

Calculate all triangle properties from your inputs: sides, angles, area, perimeter

Roman Numerals Converter

Convert between Arabic numerals and Roman numerals

Zodiac Sign & Personality Calculator

Discover your zodiac sign, personality traits, and Chinese zodiac sign

Country Population & Economy Comparison

Compare two countries in population, GDP, and development indicators

Quran Verse Locator

Look up any Quranic surah and find verse count and revelation location

Hijri & Gregorian Calendar Converter

Convert between Hijri and Gregorian dates accurately

Soil pH Guide & Plant Requirements

Learn the ideal soil pH for growing your plants

Retirement Pension Calculator

Estimate your retirement pension and savings needed for comfortable retirement

Interest Rate Impact on Loan

Compare how your payments and total interest change with different interest rates

Saudi VAT Calculator

Calculate 15% VAT using addition or extraction method

Insurance Premium Estimator

Estimate your car or home insurance premium based on risk factors

Debt Snowball Strategy Calculator

Organize your debts using the snowball strategy and find the optimal payoff plan

Personal Net Worth Calculator

Calculate your true net worth from assets and liabilities

Precise Age Calculator

Calculate your age in years, months, days, and hours

Arabic & English Number Converter

Convert between Arabic-Indic (١٢٣), Western (123) numerals, and written words

Scale your recipe ingredients for a different number of servings

Crop Growth Cycle Calculator

Calculate planting and harvest timing for your agricultural crops

Descriptive Statistics Calculator

Calculate mean, median, standard deviation, range and more

Z-Score & Percentile Calculator

Calculate Z-Score for any value within a distribution and find its percentile rank

Complete Loan Amortization Schedule

Calculate your complete monthly loan repayment schedule with principal and interest split

Car Lease vs Buy Comparison

Compare total cost of leasing vs buying a car over the long term

Rental Property Yield Calculator

Calculate gross and net yield on your rental property investment

Detailed Home Electricity Bill Calculator

Calculate consumption and cost of each appliance in your home

Weight & Mass Units Converter

Convert between all weight units: kg, lb, oz, g, quintal, ton

Distance, Speed & Time Calculator

Calculate any of distance, speed, or time from the other two known values

Palindrome Numbers & Collatz Conjecture

Discover palindrome numbers and trace the Collatz sequence for any number

Weather Impact on Productivity & Health

Understand how weather conditions affect your health and productivity with adaptation tips

Historical Currency Rate Comparison

Compare currency values across years based on historical inflation rates

Net Paycheck Calculator After Deductions

Calculate your net paycheck after social insurance, taxes, and deductions

Food Cooking Time Calculator

Calculate appropriate cooking time for various foods based on weight and method

Global Income Tax Brackets Calculator

Calculate your income tax in different countries and compare

Wind Chill & Heat Index Calculator

Calculate wind effect on cold sensation and humidity effect on heat sensation

Arabic & Islamic Names Meanings

Look up the meaning and origin of any Arabic or Islamic name

Investment Risk Profile Assessor

Determine your investment profile based on risk tolerance and financial goals

Savings Rate & FIRE Calculator

Calculate your savings rate and discover your financial independence timeline with FIRE

Simple Stock Valuation Calculator

Value a stock using multiple methods: P/E, DDM, simplified DCF

Crypto Currency Calculator

Convert between cryptocurrencies and learn about historical prices

Confidence Interval Calculator

Calculate confidence intervals for your statistical sample at different confidence levels

Full Arabic Number Spelling

Write any number in full Arabic words with correct grammatical inflection

Mathematical Sequences Analyzer

Discover the type of mathematical sequence and find its next terms

Investment Portfolio Performance Calculator

Track your investment portfolio performance and gains/losses for each asset

Financial Terms Glossary

Search over 40 financial terms with explanations in Arabic and English

Energy Units Converter

Convert between all energy units: Joule, kWh, Calorie, BTU, eV

Arabic Numerology (Abjad)

Calculate the numerical value of a name or word using the traditional Arabic Abjad system

Islamic Murabaha Calculator

Calculate Islamic financing using Murabaha structure without interest

Comprehensive Speed Units Converter

Convert between all speed units: km/h, mph, m/s, knots, Mach

Investment Asset Classes Guide

Learn about major investment asset classes, their advantages and risks

Saudi Market Salary Benchmarks

Discover average salaries for various positions in the Saudi market

Comprehensive Lease Fee Calculator

Calculate total leasing costs including taxes, commissions, and insurance

Carbon Offset & Tree Planting Calculator

Calculate the number of trees needed to offset your carbon footprint

Authenticated Islamic Supplications Guide

Authenticated supplications and remembrances for various occasions and times

Financial Mindset Assessment

Assess your relationship with money and identify your financial thinking patterns

Quick Monthly Budget Calculator

Enter your income and expenses to instantly know your monthly financial position

Compound Arabic Names Generator

Generate beautiful compound Arabic names suitable for males and females

Cooking Measurements Converter

Convert between cooking units: cup, tablespoon, gram, ml, and more

Gift Budget Planner

Plan gift budgets for occasions and track your spending

Islamic Calendar & Months Guide

Learn about Hijri months and the significance of each month in Islam

Annual Savings Challenge

Plan a fun savings challenge throughout the year

Early Loan Payoff Calculator

Calculate how much you save by paying off your loan early with extra payments

Saudi Arabia Tax Planning Guide

Learn about taxes and fees in Saudi Arabia and how to comply

Mathematical Patterns Explorer

Explore beautiful mathematical patterns in nature and mathematics

Smart Financial Goals Planner

Define your financial goals and plan to achieve them in an organized way

Smart Bill Splitter

Split restaurant bills with ability for each person to pay exactly what they ordered

Fibonacci Ratios for Design

Calculate Fibonacci ratios for design elements

Net Rental Income Calculator

Calculate your net rental income after all expenses

Advanced Birthday Calculator

Calculate your exact age and discover your special day facts

Saudi Tax Year Calculator

Calculate tax filing periods in Saudi Arabia

Reading Large Arabic Numbers

Learn to read large numbers in Arabic correctly

ROI Calculator with Multiple Formulas

Calculate ROI using three different methods

Golden Ratio Money Growth Calculator

Use the golden ratio to understand your investment growth

Price Comparison with VAT

Compare prices of multiple items with and without VAT

Complete Zakat on Wealth Calculator

Calculate zakat due on your total wealth from cash, gold, and trade goods

Cloud Storage Services Comparison

Compare major cloud storage services, their capacity and pricing

Crypto Portfolio Tracker

Track the value of your cryptocurrency portfolio

Zayenha Tools Summary

Summary of Zayenha Tools professional platform achievements