ROI Calculator
Calculate return on investment, net profit, and ROI percentage from your investment cost and total return.
Net Profit = Final Value − Investment Cost
ROI = Net Profit ÷ Investment Cost × 100
If you invest 1,000 and receive 1,250, net profit is 250 and ROI is 25%.
Enter your investment cost and final value. The calculator finds net profit and ROI percentage.
Use it for business decisions, campaigns, equipment purchases, or investment comparisons.
Common mistakes include ignoring hidden costs, using revenue instead of profit, or comparing different time periods.
Examples
Example 1: Positive ROI
Investment: 1,000
Return: 1,250
Example 2: Loss
Investment: 1,000
Return: 900
Example 3: Break-even
Investment: 1,000
Return: 1,000
When to Use This Calculator
- Investment comparisons
- Marketing campaign results
- Business purchases
- Project returns
- Profit checks
How It Works
- Enter investment cost.
- Enter final value.
- Calculate net profit and ROI.
Common Mistakes
- Ignoring extra costs
- Using revenue instead of profit
- Comparing different time ranges
- Forgetting losses
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Frequently Asked Questions
What is ROI?
ROI means return on investment. It measures profit or loss compared with investment cost.
How is ROI calculated?
ROI = net profit divided by investment cost multiplied by 100.
Can ROI be negative?
Yes. Negative ROI means the return is lower than the investment cost.
Is ROI the same as profit margin?
No. ROI compares profit to investment cost, while margin compares profit to selling price or revenue.
Can I use this for marketing?
Yes. It can estimate marketing ROI if you know spend and return.