Odds Calculator

Convert between odds formats, calculate payouts, and find expected value.

Odds Converter

Enter any field to convert

Payout Calculator

To Win: $90.91
Total Payout: $190.91

Expected Value Calculator

Compare your estimated probability to the odds offered to find +EV bets.

Expected Value
On a $100 bet:

Vig/Juice Calculator

Enter odds for both sides to calculate the bookmaker's edge.

Vig/Juice
4.55%

Understanding Odds Formats

American

+150: Win $150 on a $100 bet
-150: Bet $150 to win $100

Positive = underdog
Negative = favorite

Decimal

2.50: $100 bet returns $250 total

Multiply stake by odds for total return. Includes your original stake.

Fractional

3/2: Win $3 for every $2 bet

Common in UK betting. The fraction shows profit relative to stake.