Inflation Calculator: How It Works and How to Use It
See what an amount of money from a past year is worth today (or vice versa) using official historical US CPI inflation data.
Like every tool on UltimateTools, it runs instantly in your browser, updates as you type, and doesn't require an account or sign-up to use.
What it calculates
See what money from any year is worth today.
Whether you think of it as a "inflation calculator" tool, a "cpi calculator or purchasing power calculator" tool, or simply the Inflation Calculator, this page covers the same calculation.
You can find it at any time on the Inflation Calculator page, where the calculator sits above a full explanation of the method it uses.
Tips for an accurate result
Revisit the calculation whenever your income, rate, or balance changes materially — a one-time calculation goes stale fast.
Run the numbers with a slightly worse interest rate or a slightly lower income than you expect, so you understand your margin for error.
Keep a note of the assumptions you used (rate, term, date) alongside the result — a number without its assumptions is hard to trust later.
Cross-check a big number against a second source (a bank statement, a pay stub, an official rate table) before you act on it.
Related tools worth trying
If you found the Inflation Calculator useful, Tip Calculator, Emergency Fund Calculator, Bill & Rent Splitter cover closely related ground and are worth a look next.