Calculate Your Loan EMI and Total Interest
Compare monthly payments, loan terms, and total borrowing costs with free, easy-to-use calculators.
Advanced money tools
Deeper planning tools for investing, overpaying a mortgage and borrowing across currencies.
More calculators
Beyond loans: savings, health, conversions and everyday maths — 135 tools across 13 categories.
Currency Converter
Convert between 20 major currencies using live exchange rates with offline backup.
Open calculatorMortgage
Estimate your full monthly housing payment, including tax and insurance.
Open calculatorPercentage
Work out a percentage of a number, or the change between two numbers.
Open calculatorLoan Payment
Find your monthly loan payment and the total interest you will pay.
Open calculatorBMI
Check your body mass index and what the number actually means.
Open calculatorCompound Interest
See how a one-time investment and monthly savings grow over the years.
Open calculatorAge
Find your exact age in years, months and days as of any date.
Open calculatorBrowse by category
Every category collects related calculators that share units, assumptions and terminology, so you can move between them without relearning the inputs.
Built to be checked, not just trusted
Every formula in the open
Each result comes with the equation used, a legend for every term and a step-by-step breakdown of the arithmetic.
Instant, offline-fast results
Calculations run as pure functions in your browser, so numbers update the moment you type — no round trip, no spinner.
Nothing you type is sent anywhere
No accounts and no tracking of what you calculate. Inputs stay in the page address so a scenario can be shared or bookmarked.