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ROI Calculator

Measure investment profit as a percentage of invested cost.

Your assumptions

INDICATIVE RESULT
25.00%
Investment profit€250,000

Calculated directly from the assumptions shown.

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FORMULA

How the roi calculation works

ROI = (value received − investment cost) ÷ investment cost.

Example calculation

A €1.0m investment that returns €1.25m has a €250k profit and 25% ROI.

INVESTMENT USE

How professionals use the result

Use ROI for a simple, timing-neutral return check. For multi-period investments, also calculate IRR and MOIC.

Common mistakes

  • Ignoring time
  • Using revenue instead of net value
  • Excluding transaction costs
  • Comparing pre-tax and post-tax returns
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