Free tools
Check a price yourself
The same maths we use for every tip. Free, no sign-up. New to this? Read value betting in 5 minutes.
Fair odds (no-vig) calculator
Enter a sharp bookmaker's odds for every outcome of a market. We remove the margin to give the fair price, then show the edge of any price you've been offered.
Bookmaker margin: 4.8%
| Outcome | Fair chance | Fair odds |
|---|---|---|
| Home | 45.4% | 2.20 |
| Draw | 28.1% | 3.56 |
| Away | 26.5% | 3.77 |
Closing-line value (CLV) calculator
Compare the odds you took with the closing price just before kick-off. Use a sharp bookmaker's margin-free closing price for the most honest answer.
CLV: +7.3% You beat the closing price.
One bet tells you little. Beating the close on average over a couple of hundred bets is good evidence of a real edge.
Kelly stake calculatorHow much to stake for a given edge and bank.Matched betting calculatorWork out lay stakes for free-bet offers.
18+ only. A positive edge is an estimate, not a promise; you can still lose. BeGambleAware.org