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Half-Point Calculator

This calculator allows bettors to understand the value of buying or selling half-points on popular American Sports. It is particularly useful for NBA spreads or totals, NFL spreads, College Basketball, College Football, and MLB totals.

League:
Choose your desired league. Options are NFL, NBA, MLB (totals), College Basketball (‘NCAABK’), and CollegeFootball (‘NCAAFB’).
Bet Type:
Choose your type of wager– spread (for leagues other than MLB) or total.
Odds Type:
Choose from either US or decimal odds.
Spread/Total:
Enter a spread or total. Negative numbers will be converted to positive. For pick ’em games, enter a zero.
Fave/Over Price:
The money line adjustment for the favorite (in the case of a spread wager) or the over (in the case of a total wager). If, for example, the spread market was GB Packers +3.5 -120 / Minnesota -3.5 +100, you would then enter -120. Alternatively, if the total market wasOver 42.5 +125 / Under 42.5 -145, you would enter +125. More often than not, this number will be -110.
Dog/Under Price:
The money line adjustment for the underdog (in the case of a spread wager) or the under (in the case of a total wager). If, for example, the spread market was GB Packers +3.5 -120 / Minnesota -3.5 +100, you would enter +100. Alternatively, if the total market wasOver 42.5 +125 / Under 42.5 -145, you would d enter -145. More often than not, this number will be -110.
Calculate:
Clicking calculate will calculate Prices and Edges in the section below.

Spread/Total:
These boxes display the spread or totals within 1½ points on either side of the value in the Spread/Total box above. It is important to note that the calculator becomes much less accurate the farther away from the starting spread/total it moves. Although the calculator allows you to examine prices more than 1½ points from the initial spread/total, doing so is not recommended.
Push Prob: also takes Input
This refers to the probability of pushing against the given spread total.
Fave/Over Price: also takes Input
This column contains the payout odds (i.e., the price) on the favorite/over for the corresponding spread/total relative to the same vig as the initial payout odds.
Fave/Over Edge:
This column shows the vigorish you’re paying (for negative values) or the edge you’re receiving (for positive values) by betting on the favorite/over at the listed adjacent price. 
Dog/Under Price: also takes Input
This column contains the payout odds (i.e., the price) on the underdog/under at the corresponding spread/total relative to the vig from the initial payout odds.
Dog/Under Edge:
This column shows the juice you’re paying (for negative values) or the edge you’re receiving (for positive values) by betting on the dog or the under at the price in the adjacent column to the left.

Half Point Calculator

(Takes Decimal or US Odds)
League:
Total:
Bet Type:
Over Price:
Odds Type:
Dog Price:
Spread
Push Prob
Fave Price
Fave Edge
Dog Price
Dog Edge