Business
Sales Win Rate Calculator
Calculate the percentage of closed sales opportunities that were won.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Sales Win Rate Calculator
Calculate the percentage of closed sales opportunities that were won. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
30 wins and 70 losses produce a 30% sales win rate.
What to keep in mind
- Use consistently defined closed-won and closed-lost opportunities from the same reporting period.
- Do not include still-open opportunities in the denominator.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Calculate the percentage of closed sales opportunities that were won.
How is the result calculated?
Win Rate % = Won Deals ÷ (Won Deals + Lost Deals) × 100.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.