Inflation calculator

What will 0,000 today be worth in 20 years? Project future costs and the erosion of purchasing power with a year-by-year breakdown.

How to Inflation calculator

1. Step 1. Enter an amount of money in today’s dollars.
2. Step 2. Set the average annual inflation rate (US long-run average ≈ 3%).
3. Step 3. Choose the time horizon in years.
4. Step 4. Review the future cost and the eroded buying power side by side.

Frequently asked questions

How does inflation affect purchasing power?

At 3% annual inflation, prices rise about 34% over 10 years — meaning 00 buys only about $74 worth of goods a decade from now.

What was the historical US inflation rate?

The US CPI has averaged roughly 3% per year over the last century, though individual years have ranged from deflation to double digits.

How do I protect savings from inflation?

Historically, broad equity index funds, TIPS, and I-Bonds have outpaced inflation over long horizons, while idle cash loses value in real terms.