Calculators

Financial, health, math, unit converters and more — 75 tools

Financial (24 tools)

Loan Calculator

Calculate monthly payments and total interest

Moving Company Calculator

Estimate house removal costs including packing, storage and insurance

Mortgage Calculator

Calculate mortgage payments and amortization schedule

EMI Calculator

Calculate EMI for loans with full repayment table

Compound Interest

Calculate compound interest growth over time

Simple Interest

Calculate simple interest on any principal

Investment Calculator

Project investment growth and future returns

SIP Calculator

Calculate SIP returns and maturity amount

FD Calculator

Calculate Fixed Deposit maturity and interest

Retirement Calculator

Plan retirement savings and withdrawal needs

Inflation Calculator

Calculate inflation impact on purchasing power

GST Calculator

Calculate GST amount and inclusive/exclusive prices

Income Tax Calculator

Estimate tax liability and net income

Salary Calculator

Calculate gross to net salary with deductions

Currency Converter

Convert between 160+ world currencies

Credit Card Calculator

Calculate payoff time and interest on credit cards

Debt Payoff Calculator

Debt snowball and avalanche payoff planner

ROI Calculator

Calculate return on investment percentage

Savings Calculator

Project savings growth with regular contributions

Car Lease Calculator

Calculate car or equipment lease payments

Business Loan Calculator

Business loan repayment and total cost calculator

Tip Calculator

Calculate tips and split restaurant bills

Discount Calculator

Calculate sale prices and discount percentages

Fuel Cost Calculator

Calculate trip fuel costs and consumption

Health (13 tools)

Math (10 tools)

Education (3 tools)

Converter (10 tools)

Date (5 tools)

Tech (4 tools)

Construction (5 tools)

Random (1 tools)

Misc (1 tools)

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75 Free Online Calculators for Every Everyday Calculation

Whether you're planning a home loan, checking if your weight is healthy, figuring out how much tax you owe, or just working out a tip at a restaurant — there's a calculator here for it. Our collection spans financial planning, health and fitness, mathematics, unit conversions, and everything in between. All free, all instant, and all working right in your browser without any software or signup.

Financial Calculators That Help You Plan Smarter

Money decisions are some of the most important ones you'll make, and they deserve proper numbers. Our Loan Calculator doesn't just tell you your monthly payment — it shows you a full breakdown of interest vs principal over the life of the loan, so you can see exactly how much that car or appliance really costs. The Mortgage Calculator goes further, showing an amortisation table month by month. For borrowers in India and South Asia, the EMI Calculator computes equal monthly instalments with a detailed repayment schedule — exactly what banks provide but free and instant.

Planning your retirement savings? The Compound Interest Calculator shows how even modest monthly contributions grow dramatically over 20–30 years. Many people are surprised by just how powerful consistent saving is. The SIP Calculator is specifically designed for systematic investment plans popular across India and Southeast Asia, giving projected returns based on expected annual growth rates.

Health Calculators for Your Wellbeing

Understanding your own body starts with a few simple numbers. The BMI Calculator takes your height and weight and gives you your Body Mass Index — a widely used screening tool for weight-related health risks. For a more precise picture, the Body Fat Calculator uses multiple measurements to estimate body fat percentage. Athletes and gym-goers often prefer this since BMI doesn't account for muscle mass.

If you're managing your diet, the Calorie Calculator estimates your daily calorie needs based on age, weight, height, and activity level. Pair it with the Macro Calculator to see your recommended protein, carbohydrate, and fat intake. Planning a pregnancy? The Pregnancy Calculator estimates your due date and tracks key milestones week by week.

Unit Converters — Quick and Precise

Living in a world of mixed measurement systems is genuinely confusing. Is a 30°C day hot? How many kilograms is 150 pounds? How many litres in a US gallon? Our converters handle all of it. Temperature, weight, length, volume, area, speed, pressure, and energy — each converter covers all major units and shows the result instantly as you type. Great for students, engineers, travellers, and anyone who shops internationally.

Maths and Statistics Calculators

Students and professionals alike rely on accurate maths tools. Our Scientific Calculator covers everything from basic arithmetic to trigonometry and logarithms. The Statistics Calculator computes mean, median, mode, standard deviation, and variance from a list of numbers in one click — no spreadsheet needed. The Percentage Calculator handles all common percentage questions: what is 15% of 240? 45 is what percent of 180? What is the percentage increase from 80 to 95? It answers all three types instantly.

Real-World Calculators for Builders and Business Owners

Not everything in life is abstract. The Concrete Calculator helps construction workers estimate the volume of concrete needed for a slab, column, or footing. The Paint Calculator estimates how many litres of paint you'll need based on room dimensions. The Tile Calculator figures out how many tiles are required for a floor or wall, including waste allowance. These practical tools save time, reduce waste, and help avoid costly under-ordering on materials.

Frequently Asked Questions About Our Calculators

How do I calculate my monthly loan EMI?
Use our Loan Calculator or EMI Calculator. Enter your principal amount, annual interest rate, and loan term. The result shows your monthly payment plus a full breakdown of how much goes to interest vs principal each month.
What's the difference between BMI and body fat percentage?
BMI is a simple ratio of weight to height — quick to calculate but doesn't account for muscle mass. Body fat percentage is more precise and distinguishes between fat and lean tissue. Muscular people often have high BMI but low body fat. Use both tools for a fuller picture.
Can I use these calculators offline?
The calculators run in your browser and require an internet connection to load. Once loaded, most work without ongoing network requests — though a stable connection when first opening the page is needed.
How accurate are the health calculators?
They use industry-standard formulas (like the Mifflin-St Jeor equation for calorie needs, and the standard WHO BMI formula). Results are estimates and should complement — not replace — advice from a doctor or registered dietitian.
Are the financial calculations trustworthy?
Yes, the maths is accurate. Our loan, compound interest, and mortgage calculators use the same standard formulas banks use. Use the results for planning and comparison — but for final decisions, always review with a licensed financial adviser.
How do I convert Celsius to Fahrenheit quickly?
Open our Temperature Converter, type your value in Celsius, and the Fahrenheit equivalent appears instantly. The formula is °F = (°C × 9/5) + 32, but our tool handles it so you don't need to remember that.