Betting calculators

Free for everyone. Type odds the way your book shows them: +150, -110 or 2.50.

What's it really worth?

A book's odds on every side add up to more than 100%: the extra is its cut. Take the cut out to see what each side is really worth.

Side A

Side B

Draw (3-way)

Is a bet worth it, and how much should you put on it? Value is what you'd get back per $1 over lots of bets like it.

Your odds

What it's really worth

Bankroll $

Bet size

The best odds on every side, at different books. If they add up to under 100%, the right amounts win the same whatever happens.

Outcome A

Outcome B

Outcome C

Total stake $

Lock in the same result whichever side wins, on a bet you've already placed or a bonus bet you were given.

Your stake $

At odds

Other side's odds

It's a bonus bet (the stake isn't paid back)

American, decimal and the chance a price implies.

Odds

The board does this math for you, on every game. See today's bets →