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Real Return Calculator.

Adjust a nominal investment return for inflation using the Fisher relationship.

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Inflation-adjusted real return: 4.85%

Inflation-adjusted real return

4.85%
The result excludes taxes, fees, and changes in the inflation basket.

FAQs

What does real return exclude?

This calculation excludes taxes, fees, risk, and changes in the inflation basket; it only adjusts the entered nominal return for entered inflation.

Cite this calculator

Canonical URL: https://mathify.one/ru/finance/real-return

Cite as: Mathify. (2026). Калькулятор: Real Return. https://mathify.one/ru/finance/real-return

Use Cases

Evaluate investment performance

Determine the real growth of your investments after accounting for inflation, helping you compare different investment options on an equal footing.

Example: If your bond yields 5% and inflation is 2%, the real return is approximately 2.94%.

Plan for long-term financial goals

Use the real return to set realistic expectations for retirement savings or other long-term goals, ensuring your money grows in purchasing power.

Example: For a retirement fund, knowing the real return helps you estimate future spending power.

Frequently Asked Questions

What is the real return?
The real return is the rate of return on an investment after adjusting for inflation. It reflects the actual increase in purchasing power, calculated using the Fisher equation: (1 + nominal return) / (1 + inflation rate) - 1.
How does the Fisher relationship work?
The Fisher relationship states that the nominal interest rate equals the sum of the real interest rate and the expected inflation rate. This calculator uses the exact formula: real return = (1 + nominal return) / (1 + inflation rate) - 1, providing a more accurate adjustment than simple subtraction.
Why is adjusting for inflation important?
Adjusting for inflation is crucial because it shows the true growth of your investment in terms of what you can buy. A nominal return may look good, but if inflation is high, the real return could be low or even negative, meaning your purchasing power decreases.

Tips & Common Mistakes

Tips

  • Use the most accurate inflation rate you can find, such as the CPI, for the period you are analyzing.
  • Remember that the Fisher equation gives a more precise real return than simply subtracting inflation from the nominal return.
  • For long-term investments, use average inflation rates to smooth out short-term fluctuations.
  • Check your inputs: both nominal return and inflation rate should be in percentage terms, e.g., 5% as 5.

Common Mistakes to Avoid

  • Using simple subtraction (nominal return - inflation) instead of the Fisher equation, which overstates the real return when inflation is positive.
  • Entering inflation rate as a decimal (e.g., 0.02) instead of a percentage (2), leading to incorrect results.
  • Ignoring the effect of taxes, which can further reduce the real return, though this calculator does not account for taxes.

Last updated: August 13, 2026