Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Betting Odds
Implied Probability Calculator
Convert decimal or American betting odds into implied probabilities and calculate the bookmaker's total margin (overround). Use it to identify which outcomes are overpriced and assess the book's built-in edge.
Fill in the required fields to see your result.
Betting Odds
Closing Line Value Calculator
Measure the quality of your bet timing by comparing the odds you received to the final closing line. Positive CLV signals that you consistently bet into underpriced markets before the bookmaker corrects them.
Fill in the required fields to see your result.
Key differences
| Implied Probability Calculator | Closing Line Value Calculator | |
|---|---|---|
| Category | Betting Odds | Betting Odds |
| Inputs required | 4 | 2 |
| Result | Bookmaker Margin (%) | Closing Line Value (%) |
| What it does | Convert decimal or American betting odds into implied probabilities and calculate the bookmaker's total margin (overround). Use it to identify which outcomes are overpriced and assess the book's built-in edge. | Measure the quality of your bet timing by comparing the odds you received to the final closing line. Positive CLV signals that you consistently bet into underpriced markets before the bookmaker corrects them. |