How do I calculate inflation? Enter your numbers above and the result updates instantly. For example: Amount today: $100 · Annual inflation: 3% · Years: 20 yrs → Cost in 20 years: $180.61.
Is this Inflation Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for inflation. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.