BETTINGCALCULATOR.CA

About BettingCalculator.ca

BettingCalculator.ca

BettingCalculator.ca is a free educational resource designed to make betting mathematics easier to understand. No account is required.

What we provide

The calculator has three modes: single-bet payouts and profit, stake-not-returned promotional free-bet winnings, and each-way win and place returns. All three accept American, decimal and fractional odds.

Single Bet includes ROI and implied probability. Free Bet distinguishes promotional stake from cash received. Each-Way shows three outcomes and the total cost of two equal wagers. The tools help explain the numbers without recommending a selection or sportsbook.

Local calculations and a simple experience

Calculator inputs stay in your browser. The application performs the arithmetic locally and keeps inputs in page memory. It does not maintain accounts, calculation histories, wagers or customer balances. Your theme preference can be remembered on your device.

Our approach to accuracy

Exact rational arithmetic retains finite entered prices and amounts. Switching formats preserves the underlying odds until edited. Payout and profit are calculated independently, then rounded for presentation using the convention in the payout guide.

Calculation assumptions and sportsbook settlement rules can differ. The site does not model every fee, promotion or settlement adjustment. Informational results are not betting, gambling or financial advice and cannot guarantee an outcome.

Learn the methods

Read the guides for formulas and worked examples, and consult the Terms of Use for limitations.

Main betting calculator

Betting payout guide

Free bet guide

Each-way guide

Terms of Use