English interface

ROI calculator

Calculate return on investment from proceeds and investment cost.

Limited scopeModerate-impactGeneral formula · User-supplied assumptions
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.

Arithmetic estimate only. Rates, returns, attribution and business inputs are not predictions or advice.

Enter values, then process to see the result.

How to use it

  1. Set the assumptions requested by the roi calculator.
  2. Calculate return on investment from proceeds and investment cost.
  3. Compare the result with the displayed formula and any real business costs before acting.

Important limitation

A scenario based on entered assumptions; it does not predict returns, rates, attribution or business performance.

The interactive form is fully localized in English.

Reviewed 2026-09-16; next review 2027-03-16.

The stated proceeds-minus-cost ROI formula and denominator checks have been reviewed. Taxes, timing, risk and cash-flow timing are excluded.

Traceable review record

Review history

Site changelog

This is the recorded review history available in the repository, not an inferred release history. Dates are added only when evidence is recorded.

  1. Current review snapshot recorded

    The stated proceeds-minus-cost ROI formula and denominator checks have been reviewed. Taxes, timing, risk and cash-flow timing are excluded.

    Method version: review-2026-09-16