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Investment Calculators

Investment Fee Calculator

Show the cumulative cost of annual investment charges by comparing the same portfolio with and without fees.

$
$/month
%
%
years

Value after fees

$500,446

Value with no fees
$610,300
Total cost of fees
$109,854
Share of growth lost to fees
24.9%
Final value with and without fees
No feesAfter fees

How this calculator works

Net return = gross return − annual fee, applied to the running balance

fee
the total annual charge across fund and platform

Example calculation

Illustrative example — not advice

Worked example — the investment fee calculator as it loads, using the default figures below.

  1. 01Enter starting amount: $50,000.
  2. 02Enter monthly contribution: $400.
  3. 03Enter gross annual return: 7%.
  4. 04Enter annual fee: 1%.
  5. 05Enter years: 25 years.
  6. 06Read the value after fees from the results panel: $500,446.

Value after fees: $500,446. Value with no fees: $610,300. Total cost of fees: $109,854. Share of growth lost to fees: 24.9%.

These figures come straight from the calculator above running on the values listed, so you can retype them and confirm every number yourself. Change any input and the results update immediately. Illustrative only — not a quote, offer or recommendation.

Important considerations

  • Transaction costs and spreads sit outside the headline fee.
  • A fee difference under one percent still compounds into a large sum over decades.

Terms used here

Frequently asked questions

Is a low fee always better?

Fees are one of the few certainties in investing, so the burden of proof sits with the expensive option.

Disclaimer

Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.

Last reviewed 2026-08-01