About the Real Return Calculator
Inflation-adjusted (real) rate of return from a nominal return and inflation, using the exact Fisher equation.
Also known as: inflation adjusted return, real rate of return, return after inflation, fisher equation.
How to use this calculator
- Enter nominal return, inflation rate, tax on returns (optional).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
(1 + real) = (1 + nominal) / (1 + inflation)
Worked example
Using the values pre-filled in the calculator above:
- Nominal return = 8 %
- Inflation rate = 3 %
- Tax on returns (optional) = 0 %
the calculator returns:
- Real return: 4.8544%
- After-tax nominal return: 8%
- Quick approximation: 5%