Free odds tool
No-vig odds calculator
Convert American odds, remove hold from a two-way market, and check expected value against your own probability.
Inputs
American oddsUse +145, -120, 100, etc.
Enter a percent from 1 to 99.
Two-way market
Remove vigOver
50.9%
-104 fair
Under
49.1%
+104 fair
For analytics and education only. Lines move quickly; verify prices before making any paid decision.