If you are wondering what 1 to 1 means in betting, you have come to the right place.

The 1:1 odds of an event are the likelihood or probability of that result. 1-1 odds are popular in racing and football betting and are a shade shorter than 11-10 odds in the betting market.

Odds of 1/1 are commonly referred to as evens or even money.

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

Find out more about even money betting today:

Contents

1 What Does 1 to 1 Odds Mean?
2 1/1 Odds Calculator
- 2.1 How To Use The 1/1 odds payout calculator?
3 1 to 1 Implied Probability
4 Convert 1-1 Odds to American Moneyline Odds?
5 1 to 1 Odds Payout
6 Facts About 1 to 1 Betting Odds
7 UK Bookmakers 1-1 Free Bets
8 Popular Questions
- 8.1 Are Even Money Odds Good?
- 8.2 What is 1-1 odds in decimal?
9 Even Betting Odds on Multiple Bets
10 Even Money Odds Summary
11 Other Betting Odds Explained

What Does 1 to 1 Odds Mean?

1-1 Betting Odds means that, out of 2 potential outcomes, there will be 1 of one kind and 1 of the other.

The 1-1 odds calculation means that for every two betting events, your selection should win 1 time, and on one occasion, the selection will not win.

1/1 Odds Calculator

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

Enter Bet Details

Bet Type

Eachway

No of Selections:

Odds Format:

Add Selection Notes:

Show Rule 4:

Bets

#	Outcome	Odds	Place Odds	Rule 4

1	Outcome:	Odds: /	Place Odds	Rule 4:
	Places Offered: Places Offered: Number of Runners in Dead Heat:

Fold	Outlay	Return	Profit
single	–	–	–
double	–	–	–
treble	–	–	–
4-fold	–	–	–
5-fold	–	–	–
6-fold	–	–	–
7-fold	–	–	–
8-fold	–	–	–

Enter Bookmaker Bonuses

All Winners Bonus:

One Winner Consolation:

Summary

Stake Type

Stake

Total Outlay:

Total Return:

Total Profit:

How To Use The 1/1 odds payout calculator?

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

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

1 to 1 Implied Probability

The 1-1 betting odds represent a 50% chance of one outcome and a 50% chance of the other.

The 1/1 odds implied probability means your selection has a 50% chance of winning and a 50% chance of losing.

Convert 1-1 Odds to American Moneyline Odds?

The conversion of 1-1 odds to American Moneyline odds is 100.

Conversion to American Odds is calculated by (2.0 – 1.0)* 100 = 100

Money line odds (aka “American” odds or “U.S.” odds) of 100 are the equivalent of 1-1 Fractional odds (aka “British” odds, “U.K.” odds, or “traditional” odds).

1 to 1 Odds Payout

If you place a bet on a 1/1 selection and win, your total payout will be 2.0, which is your stake back plus 1.0 in profit.

Here are some examples of 1-1 odds payouts:

£1 bet on an Even Money pick returns a total return of £2
£10 bet on Even Money betting odds returns a total return of £20
£80 bet on Even Money odds returns a total return of £160
£100 bet on Even Money odds returns a total return of £200
£1000 bet on Even Money odds returns a total return of £2000

Facts About 1 to 1 Betting Odds

1-1 are fractional odds
1-1 betting odds are slightly shorter than 11-10
1-1 betting odds are somewhat larger than 10-11 odds
1-1 odds have a 50 per cent chance of winning
1-1 fractional odds in decimal odds is 2.0

UK Bookmakers 1-1 Free Bets

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

If you’re wondering how the 1/1 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 1/1 returns a winning bets total return of £1
1/1 odds £5 free bet returns £5 win bets total
1/1 odds £10 free bet returns £10 bet wins total
£30 free bet on 1/1 odds return £30 winning bets total
£300 bet on 1/1 odds returns a total return of £300.00

Even Betting Odds on Multiple Bets

If you have placed a bet on an even money pick and it has won, then we have a free online betting calculator you can use to work out your returns on an even money winner.

Fraction Odds	Decimal Odds	American	Probability
1/1	2	100	50%

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

When you are looking to place bets on the best horse racing betting sites online or through your mobile phone on the best betting applications, if your selection is an even chance of winning, you want to try and choose a bookmaker that offers the best odds guaranteed in June 2026.

Even Money Odds Summary

We hope you have found our even-odds (1-1) guide helpful.

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. Understanding odds can be challenging, so we hope this explanation has been helpful.