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Free Online ROI Calculator

Calculate return on investment from initial cost and final proceeds, excluding tax and time value.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use ROI Calculator
Calculate return on investment from initial cost and final proceeds, excluding tax and time value.
  1. Set Cost.
  2. Set Proceeds.
  3. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Calculate return on investment from initial cost and final proceeds, excluding tax and time value. The example below demonstrates Cost; Proceeds.
Example input:
{
  "cost": 100,
  "proceeds": 125
}
Expected result (relevant fields):
{
  "result": 25
}
Features & result limitations
Calculate return on investment from initial cost and final proceeds, excluding tax and time value.
Frequently asked questions
What inputs does ROI Calculator accept?
Cost; Proceeds
How should I interpret the ROI Calculator result?
Calculate return on investment from initial cost and final proceeds, excluding tax and time value.
Where does ROI Calculator process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.