Utility Calculators
Small calculators for everyday sums: working out an exact age, the price after a discount, how interest adds up, and what inflation does to your money.
- Age CalculatorExact age in years, months and days from a date of birth, on any date.In India? Use the India Age Calculator.
- Discount CalculatorThe price after a discount, and how much you save.
- Simple Interest CalculatorInterest on the original amount only, for a set rate and period.
- Compound Interest CalculatorHow money grows when interest is added monthly, quarterly or yearly.In India? Use the India Compound Interest Calculator.
- Rule of 72 CalculatorRoughly how many years it takes money to double at a given rate.
- Inflation Adjusted Return CalculatorYour real return once inflation is taken out.
- Inflation Calculator (US dollar)How the value of the US dollar has changed over time, using US consumer price data.
Questions about these calculators
Looking for something else? See the India calculators for loans, tax, salary and savings, or the full site map.