Inflation Adjustment Calculator
Equivalent future amount = amount × (1 + inflation rate)^years
Estimate the future amount needed under a constant assumed inflation rate.
Formula
Equivalent future amount = amount × (1 + inflation rate)^years
Worked example
Starting amount: 1000
Annual inflation assumption: 3 %
Years: 10
With these inputs, the result is **1,343.91638 **.
How to use this calculator
- Identify the quantity you want to calculate.
- Enter your measurements in the units shown on each field.
- Read the result, which updates as you change the inputs.
- Check the assumptions below before applying the result.
Assumptions and limits
The entered rate is a scenario assumption, not an economic forecast.
Precision and checking
Results are rounded for display. Use the most accurate measurements available, and avoid rounding your inputs unnecessarily. Extra decimal places in a result do not make an estimate more reliable.
To check a result, substitute the same input values into the formula shown above. Change one value at a time to understand how the quantity responds.
Frequently asked questions
What assumptions does this calculation use?
The entered rate is a scenario assumption, not an economic forecast.
Are my inputs sent to a server?
No. The calculation runs locally in your browser. The result updates as you edit the inputs.
Sources & references
- Compound Interest Calculator — U.S. Securities and Exchange Commission
