Free Bet Calculator
Work out your betting returns in seconds. Our free bet calculator handles every bet type — from a simple single to a Goliath, Lucky 15, Round Robin and more — with fractional or decimal odds, each-way, Rule 4 deductions and dead-heat adjustments all built in.
Open the Free Bet Calculator →The complete free bet calculator for every punter
Whether you back a single Nap of the Day or spread your stakes across a full-cover multiple, our free bet calculator gives you an instant, accurate estimate of your returns and profit. There is nothing to download and nothing to pay — just choose your bet type, enter your odds and stakes, and see exactly what your bet pays out. It is the perfect companion to your One Stop Racing tips, ratings and systems.
How to use the bet calculator
Pick your bet type
Choose from singles, accumulators, full-cover bets, Lucky bets and flag bets.
Enter your odds
Type each selection’s odds in fractional (e.g. 5/2) or decimal format.
Set your stake
Add your stake per bet or total stake, plus each-way, Rule 4 or dead-heat if needed.
See your returns
Get an instant breakdown of your total stake, returns and profit.
Calculate every type of bet
Click any bet below to open the free bet calculator with that bet ready to go.
Singles & MultiplesSingle
One bet on one selection.
Double
Two selections, both must win.
Treble
Three selections, all must win.
Accumulator
4 to 20-fold accumulators.
Trixie
4 bets: 3 doubles + 1 treble (3 selections).
Yankee
11 bets across 4 selections.
Canadian
26 bets across 5 selections.
Heinz
57 bets across 6 selections.
Super Heinz
120 bets across 7 selections.
Goliath
247 bets across 8 selections.
Patent
7 bets: 3 singles + 3 doubles + 1 treble.
Lucky 15
15 bets across 4 selections.
Lucky 31
31 bets across 5 selections.
Lucky 63
63 bets across 6 selections.
Round Robin
10 bets: Trixie + 3 Up & Down pairs.
Flag
23 bets: Yankee + 6 Up & Down pairs.
Super Flag
46 bets: Canadian + 10 Up & Down pairs.
Heinz Flag
87 bets: Heinz + 15 Up & Down pairs.
Free bet calculator FAQs
Is the bet calculator really free?
Yes. The One Stop Racing bet calculator is completely free to use, with no sign-up, download or payment required. Use it as often as you like.
Which bet types can I calculate?
Everything — singles, doubles, trebles and accumulators up to 20 folds, full-cover bets (Trixie, Yankee, Canadian, Heinz, Super Heinz, Goliath), Lucky bets (Patent, Lucky 15, 31 and 63) and flag bets (Round Robin, Flag, Super Flag, Heinz Flag).
Does it handle each-way, Rule 4 and dead heats?
It does. You can toggle each-way with your chosen place terms, apply Rule 4 deductions per selection and account for dead-heat reductions — giving you a realistic estimate of your returns.
Can I use fractional and decimal odds?
Yes. Switch between fractional (e.g. 5/2) and decimal (e.g. 3.50) odds at any time to suit how you bet.
Ready to calculate your returns?
Open the free bet calculator and see exactly what your next bet pays out.
Launch the Bet Calculator →Please gamble responsibly. One Stop Racing tips and tools are for entertainment and educational purposes. 18+ only. BeGambleAware.org — if you have a gambling problem, help is available.