10-3 Betting Odds

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If you are wondering what 10/3 means in betting, you have come to the right place. Some bookmakers use 100/30, which is the exact same price at 10/3 odds in the sports betting markets.

The 10 to 3 odds of an event happening are the likelihood or probability of that result. 10-3 odds are popular in football betting and for horse racing events in the UK and are a shade shorter than 7-2 odds in the betting market.

In our 10-3 horse racing betting odds guide, we explain what 10 to 3 odds mean, what is the 10 to 3 probability is, what the odds payout would be, and why 100/30 not 10/3 is used by many betting sites.

10-3 Betting Odds

What does 10 to 3 odds mean?

10-3 Betting Odds means that out of 13 possible outcomes, the 10/3 odds are that there will be 10 of one kind of outcome and 3 of another kind of outcome.

The 10-3 odds calculation means for every 13 betting events your selection should win 3 times and on 10 occasions the selection will not win.

10/3 Odds Calculator

Here is a 10-3 odds calculator to work out the potential winnings of a 10/3 priced winner.

Enter Bet Details
# Outcome Odds Place Odds
Place Odds
Enter Bookmaker Bonuses
Total Outlay:

Total Return:

Total Profit:

How To Use The 10-3 odds payout calculator?

Here is the step-by-step guide on how to use the free online 10-3 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 10-3
  4. Select the ‘Stake’ wagered
  5. The 10/3 odds payout calculator will then work out total outlay, total return and total profit

10 to 3 Implied Probability

The 10-3 betting odds probability is a 76.92 per cent probability of a particular outcome and a 23.08 per cent probability of another outcome.

The 10/1 odds implied probability means your selection has a 23.08% chance of winning and a 76.92% chance the selection will lose.

Convert 10-3 Odds to American Moneyline Odds?

The conversion of 10-3 odds to American Moneyline odds is 333.3.

  • Conversion to American Odds is calculated by (4.333 – 1.0)* 100 = 333.3

Money line odds (aka “American” odds or “U.S.” odds) of 333.3 is the equivalent to 10-3 Fractional odds (aka “British” odds, “U.K.” odds, or “traditional” odds).

10 to 3 odds payout

If you wager a bet on a 10/3 betting odds selection and you win, your total payout will be 4.33 which is your stake back plus 3.33 profit.

Here are some examples of 10-3 odds payouts:

  • £1 bet on a 10/3 pick returns a total return of £4.33
  • 10/3 odds £5 bet returns £21.67 including your stake back
  • 10/3 odds £10 bet returns £43.33 including your stake back
  • £30 bet on 100/30 betting odds returns a total return of £130.00
  • £100 bet on 100/30 odds returns a total return of £433.33
  • £300 bet on 100/30 odds returns a total return of £1300.00

Popular Questions

Are 10/3 Odds Good?

10/3 odds are good because for every £1 winning bet you will return £4.33 profit.

The 10-3 odds reflect the chances of your selection and bookmakers will think it has a favourites chance at 10/3.

At 10-3 horse odds it is unlikely to wager each-way bets and the majority will win only bets.

Many punters ask if 10/3 odds good or bad and the boring answer is it depends on whether it is value for money in the betting market. A 10-3 winner is good odds and a 10/3 loser is bad odds.

Why do bookmakers always say 100/30 and not 10/3?

The main difference between 100/30 and 10/3 is using 10-3 can get confusing with the time 2.50 pm (i.e. 10 minutes to 3).

Many ask why 100/30 not 10/3 and it’s traditional for betting companies to use the odds of Burlington Bertie 100-30 as opposed to 10-3.

In history, 100-30 was used in case it was confused for a time (ie 2.50 pm which is 10 mins to 3) rather than a 10-3 price when spoken or signalled.

On-course bookies communicated bets and did not want to mix up the 10/3 prices with the time of ten minutes to 3 oclock.

What is 10-3 odds in decimal?

10/3 fractional odds is 4.33 in decimal.

The fractional odds of 10 to 3 in decimals is 4.33 which means for every £1 win stake you get £4.33 returns if it wins.

Facts About 10 to 3 Betting Odds

  • 10-3 are fractional odds
  • 10-3 is also known as 100-30 odds
  • 10-3 betting odds are slightly shorter than 7-2
  • 10-3 betting odds are slightly larger than 3-1 odds
  • 10-3 odds have a 23.08 per cent of winning
  • 10-3 fractional odds in decimal odds is 4.33

UK Bookmakers Free Bets

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

If you are wondering how the 10/3 odds work when placing bets on sports betting markets with a free bet we can work out your winning bets potential outcomes.

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

  • £1 free bet on a 10/3 returns a winning bets total return of £3.33
  • 10/3 odds £5 free bet returns £16.67 win bets total
  • 10/3 odds £10 free bet returns £33.33 bet wins total
  • £30 free bet on 100/30 odds return £100.00 winning bets total
  • £300 bet on 100/30 odds returns a total return of £1000.00

Please bet responsibly and when wagering bets on the 100-30 fractional betting odd market be sure to check the terms and conditions to make sure your qualifying bet gives you the opportunity of horse racing free bets bonuses.

Summary of 10 to 3 Odds

If you have placed a bet on a 10-3 pick and it has won then we have an odds calculator you can use to work out your returns on a 10/3 winner.

Fraction OddsDecimal OddsAmericanProbability

The bet calculator allows you to work out winnings on some of the following bets where you might have a 100-30 shot in the bets:

When you are looking to place bets on the top-rated horse racing betting websites online or through your mobile phone on the best sportsbook betting apps if your selection is a 10-3 chance of winning you want to try and choose an online bookmaker offering BOG bonus in June 2024.

If you are looking to place a bet then understanding the betting odds market is important 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.

Many punters who understand the 10-3 odds and betting markets utilise the new sportsbook bookmaker bonus offers they give in opening new accounts and the bookies incentivise signing up with amazing horse racing free bets online.

We hope your 10 to 3 odds pick is a winning selection and please always gamble responsibly.