Free online calculators
Quick, free online calculators that show not just the answer but how it was worked out. Every calculator page explains its formula and walks through a worked example, so you can check the result yourself.
All calculators
EMI calculator
Monthly instalment, total interest and total payment for any fixed-rate loan.
Open toolBMI calculator
Body mass index, its category and the normal weight range for your height.
Open toolPercentage calculator
X% of Y, X as a percent of Y, and percent change, in one place.
Open toolAge calculator
Exact age in years, months and days, and the countdown to the next birthday.
Open toolPaper weight calculator
Grams per sheet and total kilograms from GSM and paper size.
Open toolCalculators you can check
A number is only useful if you can trust it. That is why each calculator here uses the standard published formula, lists it on the page, and includes an example you can repeat with a pencil or a phone calculator.
Results are estimates for planning. Before signing a loan agreement, compare the figures with the written offer from your lender. When you send your application, you can turn photos of your documents into one PDF.