Formula guide

ROI Calculator formula

Return on investment is commonly calculated as net gain divided by cost, multiplied by 100. The result shows your profit relative to what you originally spent.

How the input values are used

Net gain (USD)

The numeric value in USD is used in the calculation; keep units consistent.

Cost of investment (USD)

The numeric value in USD is used in the calculation; keep units consistent.

How to interpret the result

  • The result uses Net gain (USD) and Cost of investment (USD). Change one variable at a time to compare its effect on the outcome.
  • Check whether relevant fees, taxes, and timing assumptions are included before using the estimate.
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