20-1 Betting Odds

If you’re wondering what 20/1 means in betting, you’ve come to the right place.

The 20/1 odds of an event happening are the likelihood or probability of that result. 20-1 odds are popular in football betting and for horse racing events in the UK and are a shade shorter than 25-1 odds in the betting market.

As a knowledgeable sports bettor, if you like to wager on horses at a high price like 20-1, you should check the list of top betting websites for E/W bets online.

In our 20-1 sportsbook betting odds guide, we explain what 20 to 1 odds mean, what the 20 to 1 probability is, and show you what a 20 to 1 odds payout would be.

What do 20-to-1 odds mean?

20-1 Betting Odds means that, out of 21 possible outcomes, there will be 20 of one kind of outcome and 1 of another.

The 20-1 odds calculation means that for every 21 betting events, your selection should win 1 time, and on 20 occasions, the selection will not win.

20-1 Odds Calculator

Here is a 20/1 odds calculator to calculate the potential winnings of a 20/1-priced winner.

How To Use The 20/1 odds payout calculator?

Here is the step-by-step guide on how to use the free online 20-1 odds calculator:

1. ‘Bet Type’ will already be selected as a single bet
2. Select the ‘Outcome’ of “Winner”, “Placed”, “Lost”, “Dead Heat”, “Void” or “Non-runner”
3. Select the ‘Odds’ of 20-1
4. Select the ‘Stake’ wagered
5. The 20/1 odds payout calculator will then work out total outlay, total return and total profit

20 to 1 Implied Probability

The 20-1 betting odds represent a 95.24% probability of one outcome and a 4.76% probability of the other.

The 20/1 odds implied probability means your selection has a 4.76% chance of winning and a 95.24% chance the selection will lose.

Convert 20-1 Odds to American Moneyline Odds?

The conversion of 20-1 odds to American Moneyline odds is 2000.

• Conversion to American Odds is calculated by (21.0 – 1.0)* 100 = 2000

Money line odds (also known as “American” odds or “U.S.” odds) of 2000 are equivalent to 20-1. Fractional odds (also referred to as “British” odds, “U.K.” odds, or “traditional” odds).

20 to 1 odds payout

If you place a bet on a 20/1 selection and win, your total payout will be £21.00, which is your stake back plus a £20.00 profit.

Here are some examples of 20-1 odds payouts:

• £1 bet on a 20/1 pick returns a total return of £21.00
• £10 bet on 20/1 returns a total return of £210.00
• £50 bet on 20/1 betting odds returns a total return of £1050.00
• £100 bet on 20/1 odds returns a total return of £2100.0
• £250 bet on 20-1 odds returns a total return of £5250.00

20/1 Each Way Payout

Here are the returns for the 20-1 each-way bet.

Stake	Position	Fraction	Return
1 EW	WON	20/1	£26.00
1 EW	PLACE	20/1	£5.00
2.5 EW	WON	20/1	£65.00
2.5 EW	PLACE	20/1	£12.50
5 EW	WON	20/1	£130.00
5 EW	PLACE	20/1	£25.00
10 EW	WON	20/1	£260.00
10 EW	PLACE	20/1	£50.00
20 EW	WON	20/1	£520.00
20 EW	PLACE	20/1	£100.00
25 EW	WON	20/1	£600.00
25 EW	PLACE	20/1	£125.00
50 EW	WON	20/1	£1,300.00
50 EW	PLACE	20/1	£250.00
100 EW	WON	20/1	£2,600.00
100 EW	PLACE	20/1	£500.00

So here are the each-way payouts for a 20-1 shot:

• £1 each way at 20/1 if your selection wins returns £26 winning payout
• £1 each way at 20/1 if your selection finishes 2nd place returns £5 winning payout
• £1 each way at 20/1 if your selection finishes 3rd place returns £5 winning payout
• £5 each way at 20/1 if your selection wins returns £130 winning payout
• £5 each way at 20/1 if your selection finishes 2nd place returns £25 winning payout
• £5 each way at 20/1 if your selection finishes 3rd place returns £25 winning payout
• £10 each way at 20/1 if your selection wins returns £260 winning payout
• £10 each way at 20/1 if your selection finishes 2nd place returns £50 winning payout
• £10 each way at 20/1 if your selection finishes 3rd place returns £50 winning payout

Facts About 20 to 1 Betting Odds

• 20-1 are fractional odds
• 20-1 betting odds are slightly shorter than 25-1
• 20-1 betting odds are slightly larger than 16-1 odds
• 20-1 is a long price in large field horse racing events
• 20-1 odds are a big outsider in a two-selection event
• 20-1 odds have a 4.76 per cent chance of winning
• 20-1 fractional odds in decimal odds is 21.00

UK Bookmakers Free Bets

When new customers sign up with UK bookmakers, they usually receive a free bet welcome bonus.

If you’re wondering how the 20/1 odds work when placing bets on sports betting markets with a free bet, we can help you calculate your potential winning bets.

When you have placed a qualifying bet to receive free bets, it is worth understanding that any free bet wins you do not get your stake back.

• £1 free bet on a 20/1 returns a winning bets total return of £20
• 20/1 odds £5 free bet returns £100 win bets total
• 20/1 odds £10 free bet returns £200 bet wins total
• £20 free bet on 20/1 odds return £400.00 winning bets total
• £250 bet on 20/1 odds returns a total return of £500.00

Summary of 20 to 1 Odds

If you have placed a bet on a 20-1 pick and it has won, then we have a free bet calculator online that you can use to calculate your returns on a 20/1 winner.

Fraction Odds	Decimal Odds	American	Probability
20/1	21	2000	4.80%

The bet calculator allows you to work out winnings on some of the following bets, where you might have a 20-1 shot in the bets:

• Lucky 15 betting calculator winnings
• Lucky 31 betting calculator winnings
• Yankee betting calculator winnings
• Patent betting calculator winnings

If you are looking to place a bet, then understanding the betting odds market is essential, as you want to choose your picks based on the value in the betting ring.

Here are all the betting odds guides we have created at British Racecourses.

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Many punters who understand the 20-1 odds and betting markets utilise the special offers that bookmakers provide when opening new accounts, and the bookies incentivise signing up with horse racing free bets online.

We hope your 20 1 odds pick is a winning selection, and please always gamble responsibly.