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Real Return After Tax, Fees & Inflation Calculator

Convert a nominal investment return into after-tax purchasing-power growth.
Real annual return
2.82%
After-tax nominal return
5.90%
Ending purchasing power
$174,251

The tax treatment of an investment depends on account, jurisdiction, holding period, and distribution timing. Use an effective scenario rate rather than treating this as tax advice.

A nominal return can look healthy while taxes, fees, and inflation consume most of the purchasing-power gain. This calculator applies an editable tax rate to nominal return, subtracts annual fees, converts the result into a real return, and compounds an initial balance in today’s dollars.

Formula reviewed 2026-08-021 primary sourceMethodology and disclosures →

How this real return after tax, fees & inflation calculator works

The model taxes the entered nominal return, subtracts the annual fee, and uses the exact Fisher relationship to remove inflation. It compounds the resulting real rate over the selected period.

Formula

Real return = (1 + after-tax nominal return) ÷ (1 + inflation) − 1

Real tax systems distinguish income, dividends, gains, losses, deferral, and account type. Consult a qualified adviser for personal tax decisions.

Primary specifications

Before you use the result

Assumptions

  • • The effective tax rate applies evenly to annual return.
  • • Fees and inflation remain constant.
  • • No deposits, withdrawals, tax deferral, or loss offsets occur.

Quick start

  1. 1. Enter a conservative nominal-return scenario.
  2. 2. Use an effective tax rate appropriate to the account and holding pattern.
  3. 3. Test several inflation and fee combinations.

Frequently asked questions

What is a real return?

It is the investment return after adjusting for inflation, showing the change in purchasing power.

Why not simply subtract inflation?

Subtraction is an approximation. The exact relationship divides the nominal growth factor by the inflation growth factor.

Does the calculator provide tax advice?

No. The entered tax rate is a simplified scenario and does not model individual tax rules.

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Investing glossaryUnderstand the conceptsStock researchApply it to real names

Nominal gains are not purchasing-power gains.

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