Finance & Money
Inflation Calculator
Use this inflation calculator for planning scenarios when you want to model how prices may change over time.
Future cost
—
- Purchasing power of today's amount
- —
- Price increase
- —
Student quick launch
Grade planning, algebra checks, and formulas students reach for most.
Study path
Use this calculator with
Follow these when you want the formula behind the answer, a short lesson, or nearby tools in the same topic.
What the inflation calculator solves
Use this inflation calculator for planning scenarios when you want to model how prices may change over time.
Formula
How to use it
- Enter today's amount.
- Enter the annual inflation assumption.
- Enter the number of years.
How to read the answer
Future cost shows what the same item could cost later. Purchasing power shows what today's money may feel like in future dollars.
Common mistakes and edge cases
- Inflation varies by category and year.
- Averages do not predict exact future prices.
- Use a negative rate only for deflation scenarios.
Worked examples
Ten-year estimate
Future cost
$134.39
High-inflation scenario
Future cost
$669.11
Frequently asked questions
Does this use live inflation data?+
No. It uses the rate you enter so you can model scenarios.
What rate should I use?+
Use a historical average, a forecast, or your own conservative planning assumption.
Related calculators
Compound Interest Calculator
Calculate investment growth with compound interest, regular contributions, inflation adjustment, or reverse-solve the monthly contribution needed for a target.
Retirement Savings Calculator
Project retirement savings from current balance, monthly contributions, return, inflation, and years until retirement.
Savings Goal Calculator
Find the monthly savings needed to reach a target amount with current savings, deadline, and interest.
Loan Calculator
Calculate fixed-rate loan payment, total interest, payoff time with extra payments, or reverse-solve loan amount from a monthly payment.
Mortgage Calculator
Estimate mortgage payment, PITI, PMI, total interest, first-month amortization, or reverse-solve home affordability from a target payment.
Tip Calculator
Calculate tip, tax, rounded totals, and per-person split, or find the tip percentage from a known tip amount.
Last updated: May 8, 2026