Inflation Calculator

What this calculator does

Inflation reduces purchasing power when prices rise over time. This calculator shows what a cost might become, and what today's money may be worth in future prices.

Formula used

Future cost equals today's amount multiplied by one plus the inflation rate to the power of the number of years.

How to read the result

This is a scenario calculator. Actual inflation changes year by year and differs across goods, services and personal spending patterns.

Assumptions

• Uses the inflation rate you enter.
• Compounds annually.
• Does not fetch historical CPI or forecast data.

Sources and checks

This calculator uses a standard public formula. Where rules or thresholds can change, source links are listed on the relevant page.

Frequently asked questions