Calculate how inflation erodes the purchasing power of money — see what your money will actually be worth in the future, and how much more things will cost.
Enter your figures and click Calculate to see your results.
Enter the initial amount, annual inflation rate and number of years to calculate what your money will be worth in the future.
Press the Calculate button. All results appear instantly — no page reload needed.
Your results are shown in a clear summary card. Use the Copy button to grab the result or Download to save a text report.
It applies the compound interest formula: Future Value = Initial Amount × (1 + Inflation Rate)^Years. This shows how purchasing power erodes over time as prices rise.
Most developed economies target around 2% annual inflation. In practice, rates vary — the US and UK have historically averaged 2–4%, while some economies experience much higher rates during economic stress.
Yes — enter a past amount, the historical inflation rate for that period, and the number of years to find what that money would be worth today in real purchasing power terms.
If your savings earn less interest than the inflation rate, the real value of your money is falling each year. A £10,000 savings account at 1% interest loses real value when inflation is 3%.
Yes — completely free to use with no login, no sign-up and no usage limits.
Yes. All calculations happen entirely in your browser using JavaScript. No figures are ever sent to any server or stored.