Questions · Inflation

Inflation calculator questions

Q: What is $100 after 10 years at 3% average inflation?

Stated sample only: about $134.39 (34.4% total change) under Nestfigure’s constant-rate model.

Q: Does Nestfigure use official CPI numbers automatically?

No. You enter an average rate for learning. Official U.S. Consumer Price Index statistics are published by the Bureau of Labor Statistics.

Sample purchasing-power math—not CPI forecasts.

Calculator · How we calculate · BLS CPI

Written & maintained by John Rey Balais Developer · Nestfigure

Math

What is $100 after 10 years at 3% average inflation?

Stated sample only: about $134.39. Prefill calculator · Example page.

What is the inflation formula Nestfigure uses?

Future cost = amount × (1 + rate)^years. Past value = amount ÷ (1 + rate)^years, using a constant average annual rate you enter.

Data

Does Nestfigure use official CPI numbers automatically?

No. You enter the rate. Official CPI: bls.gov/cpi.

Product

Is this economic forecasting advice?

No. Educational arithmetic only—not forecasts, COLA policy, or financial advice.

Educational only. Last reviewed: August 9, 2026.

YMYL notice: This site is for education only. It is not financial, tax, or investment advice. Nestfigure is not a bank, credit union, broker, investment adviser, or fiduciary. Product terms, rates, and penalties vary—always read your institution’s disclosures before acting. Calculator results are mathematical estimates, not bank quotes.