Fair Odds / Value Line Calculator
Turn your estimated win probability into fair odds, then compare it to the tote board to see whether the price is an overlay or underlay.
Horse Setup
This works best when you already made your own line before looking at the odds.
Results
Enter your probability and tote odds, then calculate.
What This Means
If the tote odds are higher than your fair odds, the horse may be an overlay. If the tote odds are lower than your fair odds, the price is probably too short.
Handicapper Note
The calculator only compares price to your estimate. The hard part is making a realistic win probability. Bad probabilities create bad betting decisions.