Calculators
ROI Calculator
ROI Calculator calculates the return on investment percentage and net return using initial cost and final gain or loss. Enter investment and return values to compare project performance or prioritize spending decisions.
Tool workspace
ROI Calculator
Quick guide
How to use
1. Enter or paste your data into ROI Calculator. 2. Choose the relevant options. 3. Review, copy, or download the result.
Details
About this tool
ROI Calculator calculates the return on investment percentage and net return using initial cost and final gain or loss. Enter investment and return values to compare project performance or prioritize spending decisions. The functional interface is kept at the top so you can complete the task before reading further guidance.
How the calculation works
Enter the relevant values and ROI Calculator calculates the result immediately. For this calculator, ROI = (gain − cost) ÷ cost × 100. Check that rates, periods, and units describe the same situation before interpreting the result.
Practical inputs
Examples JSON
Example
Input: enter a representative value for your task.
Result: review the output before using it.
Help
Frequently asked questions
Why can my result differ from a real quote?
This calculator follows the displayed inputs and formula. Taxes, fees, rounding policies, or contract terms can change a real-world result.