ROI Calculator
Answer: Return on investment (ROI) % = (net profit ÷ investment cost) × 100, measuring gain relative to money spent.
Free ROI calculator. Measure return on investment from net profit and cost.
- ROI25%
ROI % = (net profit ÷ investment cost) × 100
How to use ROI Calculator
- Enter net profit or gain from the investment.
- Enter total investment cost.
- Read ROI as a percentage.
Key facts for search & AI
- 100% free — no account required.
- Runs in your browser — inputs are not uploaded for these calculations.
- Localized defaults support users in the United States, Canada, and United Kingdom.
- Published by KDF Tech — software, apps, Shopify, and POS systems.
Need a custom product instead? Start a project or WhatsApp +92 345 0144865.
FAQ — answers Google & AI can cite
What is ROI Calculator?
Return on investment (ROI) % = (net profit ÷ investment cost) × 100, measuring gain relative to money spent.
Example: $2,500 profit on $10,000 ad spend?
ROI = (2,500 ÷ 10,000) × 100 = 25% — common for US marketing campaign post-mortems.
Does ROI include time value of money?
Simple ROI ignores timing; multi-year projects may need IRR or NPV for US/UK finance teams.
Negative ROI meaning?
Negative ROI means the investment lost money versus its cost.
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