What the heck is a double?
Two races, one ticket, a potential windfall. That’s the double. Bet on the winner of race A and the winner of race B, and if both hit, the payout explodes.
Step-by-step math
First, grab the odds. Say race 1 is 5/1, race 2 is 3/1. Convert to decimal: 5/1 becomes 6.0, 3/1 becomes 4.0.
Multiply the decimals. 6.0 × 4.0 = 24.0. That 24 is the factor you’ll apply to your stake.
Now the stake. You wager £2 per double. 24 × £2 = £48. Boom. That’s your gross payout before tax.
Don’t forget the tax bite
UK tote races levy a 10% tax on winnings. Slice it off: £48 × 0.10 = £4.80. Subtract, you get £43.20 net.
But if you’re on a betting exchange, the commission might be 5%. Same math, different number.
Edge cases that trip newbies
Zero-odds? Impossible. Zero-payout? Only if one leg loses.
Multiple doubles on the same ticket? You multiply each leg’s decimal, not the odds themselves. Mistake number one.
Remember that dead-heat ties split the pool. If two horses finish together, your factor halves.
Quick sanity check
Plug the numbers into a reliable tool. Here is the deal: the calculate doubles payouts page does the heavy lifting, double-checking your manual work.
Always run the calculator after you’ve done the mental math. If they don’t match, you missed a zero or a commission.
Why you should care
Because a £2 stake can turn into a £100 windfall if the odds line up. Miss the tax, and you over-promise yourself.
And here is why the double is a favorite among seasoned punters: it squeezes maximum profit from minimal risk, provided you respect the math.
Final tip
Write the odds down, multiply the decimals, apply your stake, subtract the correct tax, and verify with the calculator. No excuses.