ROI Calculator
Measure the return on any investment or project. Two modes: enter an initial and final amount for a simple ROI, or enter revenue and cost for a business return. See the profit, margin and ROI percentage together.
How to use
Choose a mode
Pick Investment (initial → final) or Business (revenue − cost).
Enter the values
Fill in the initial and final amounts, or revenue and cost depending on the mode.
Read the ROI
See the ROI percentage along with profit and margin figures.
Switch modes if needed
Compare both approaches to understand your return from different angles.
Features
Two calculation modes
Investment mode for personal returns, business mode for revenue minus cost.
Profit and margin breakdown
See net profit, margin percentage and ROI side by side.
Negative ROI support
Correctly shows losses when the final amount is less than the initial investment.
Works for any currency
Enter amounts in any currency — the percentage is what matters.
Common use cases
- Measure the return on a stock or fund investment
- Calculate ROI for a marketing campaign
- Compare ROI across different projects
- See the profit margin on a product sale