Free Online Calculators

Quick, accurate calculators that run in your browser. Calculate your exact age in years, months, and days. Check your BMI with a visual health category gauge. Work out percentages, percentage changes, and increase/decrease calculations. Plan loan repayments with a full EMI breakdown showing monthly payments, total interest, and amortisation. All calculations are instant — no data is stored or transmitted.

Popular

Age Calculator

Calculate exact age in years, months, days. Includes next birthday countdown and total days lived.

Popular

BMI Calculator

Calculate Body Mass Index with a visual health category indicator. Supports metric and imperial units.

Percentage Calculator

Four modes: X% of Y, X is what % of Y, percentage change, and increase/decrease by percentage.

Loan EMI Calculator

Calculate monthly payments, total interest, and total cost for any loan amount, rate, and term.

Unit Converter

Convert length, weight, temperature, area, volume, and speed. Live results as you type.

When to use each calculator

The age calculator is useful for passport applications, official forms, or just satisfying curiosity about your exact age. The BMI calculator provides a quick health reference point — though BMI has limitations and should not replace medical advice. The loan EMI calculator helps compare loan offers by showing the real cost of different interest rates and terms before you commit.

Frequently Asked Questions

Is any data stored? +
No. All calculations run in your browser. No data is stored, saved, or transmitted to any server.
Are the calculations accurate? +
Yes. The calculators use standard mathematical formulas. The loan calculator uses the standard EMI formula used by banks.