Inflation Calculator
See what something will cost in the future at a given inflation rate, and what your money will be worth.
Uses one constant average rate. Real inflation varies from year to year and between goods, so treat the result as an estimate.
About this tool
Enter an amount, an average annual inflation rate and a number of years. The calculator shows the future cost of the same goods and what that amount will be worth in today’s money, plus the total price rise. Works in any currency.
Frequently asked questions
Multiply today’s price by (1 + inflation rate) raised to the number of years. Something costing 100 today costs 100 × 1.03^10 = 134.39 after 10 years of 3% inflation.
It is what a fixed amount of money will buy compared with today. At 3% inflation, 100 in 10 years buys only what 100 ÷ 1.03^10 = 74.41 buys today.
Inflation compounds: each year’s rise applies to already higher prices. Ten years at 3% is a 34.4% rise, not 30%.
No. It uses one constant average rate that you choose, which is useful for planning. Actual inflation varies each year and differs between goods, so check your national statistics office for historical figures.
Related tools
Salary Increase CalculatorWork out your new salary after a raise in percent or as an amount — or find the percentage raise between your old and new pay.Percentage Change CalculatorSee the percentage increase or decrease between two values, plus the absolute difference.Savings Goal CalculatorFind out how much to save each month to reach a savings goal by a target date.Compound Interest CalculatorFree compound interest tool — instantly work out how an investment grows with compound interest and regular contributions.Rule of 72 CalculatorFind out how many years it takes to double your money at a given interest rate — exactly and with the rule of 72.