Calculators

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.