Free Online Calculators for Everyday Life
Simple, accurate and completely free tools — no signup, no downloads, works on your phone or computer.
Pick a colour theme, save your favourite tools, and see your recent calculations. Open My EasyCalcs →
EasyCalcs Daily
Today's date & Hijri date, year progress, a money & health tip and the tool of the day — fresh every day.
Zakat Calculator
Calculate your annual zakat on gold, silver, cash and business assets with automatic nisab check.
Age Calculator
Find your exact age in years, months and days — plus a countdown to your next birthday.
Days Calculator
Count the days between two dates, or add and subtract days from any date.
BMI Calculator
Check your Body Mass Index in metric or imperial units and see your healthy weight range.
Body Fat Calculator
Estimate your body fat percentage and lean mass with the U.S. Navy tape method — metric or imperial.
Percentage Calculator
Find X% of a number, what percent one number is of another, and percentage change.
Loan / EMI Calculator
Monthly installment, total interest and total repayment for any loan, in any currency.
Mortgage Calculator
Monthly payment, total interest and a full amortization schedule — with taxes, insurance and PMI.
Discount Calculator
Final sale price and real savings — including stacked "extra %" offers and tax.
Unit Converter
Length, weight and temperature — km/miles, kg/pounds, °C/°F, tola and more.
Marks Percentage Calculator
Convert exam marks to percentage and grade — matric, inter, board and university results.
GPA Calculator
Semester GPA on the 4.0 scale from grades and credit hours — plus your updated CGPA.
Due Date Calculator
Estimated due date, current pregnancy week and trimester from your last period.
Compound Interest Calculator
Watch savings grow: starting amount, monthly deposits, rate and years — future value instantly.
Currency Converter
150+ currencies with daily-updated rates — USD, PKR, INR, SAR, EUR and more. Works offline.
Hijri Date Converter
Today's Islamic date, Hijri ↔ Gregorian conversion and a live Ramadan countdown.
Calorie Calculator
Daily calories (BMR & TDEE) to maintain, lose or gain weight — Mifflin-St Jeor formula.
Ovulation Calculator
Fertile window, ovulation day and next period — estimated privately on your device.
Tip Calculator
Tip, total and per-person share in one tap — split any bill fairly in any currency.
Fuel Cost Calculator
Petrol cost for any trip from distance, car average and fuel price — plus cost per km.
Gratuity Calculator
End-of-service benefits for the Gulf (UAE, Oman, Saudi) from your basic salary and years of service.
Sales Tax & VAT Calculator
Add or remove tax with presets for US sales tax, Gulf VAT, EU TVA and India GST.
Ideal Weight Calculator
Your ideal body weight from height and gender (Devine, Robinson, Hamwi) plus a healthy range.
Water Intake Calculator
How much water to drink a day from your weight, exercise and climate — litres, glasses or ounces.
Live Polls
Create an anonymous poll, share a private link, and watch results update in real time.
Guides
- How to Calculate Zakat on Gold — Step-by-Step with Examples
- Zakat on Savings & Bank Accounts — How to Calculate It Correctly
- Zakat al-Fitr (Fitrana): Amount, Who Pays & When to Give It
- Zakat Nisab & Rules Reference — Thresholds, Rates & Recipients
- زکوٰۃ کا حساب کیسے کریں؟ — مکمل اردو گائیڈ
- What Is Nisab? Gold vs Silver Standard Explained
- How to Calculate Your Exact Age for Forms & Job Applications
- What Is a Healthy BMI? Understanding Your Result
- What Is Zakat? A Complete Beginner's Guide
- How to Count Days Between Dates — Working Days & Inclusive Counts
- How to Calculate Percentages — Formulas & Mental Math
- How Loan EMI Works — Interest, Tenure & Prepayment
- How to Calculate Discounts — Sale Price Math & Store Tricks
- Unit Conversion Made Simple — Length, Weight & Temperature
Why use EasyCalcs?
Everyday calculations should not require spreadsheets or complicated apps. EasyCalcs gives you clean, single-purpose tools that answer one question quickly: how much zakat do I owe, how old am I exactly, how many days until my deadline, is my weight in the healthy range, and what is the percentage. Every calculator runs directly in your browser — nothing you type is sent to a server, so your financial and personal details stay on your device.
Each tool includes a plain-English explanation of how the calculation works, so you can understand and verify the result rather than just trusting a number.