Bet Calculators & Bonus Codes

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Bet Calculator - Supports all bet types and options. Calculate your sports bet return.

Odds Converter - Convert to and from: decimals, fractions, american and implied probability percentages.

Dutching Calculator - Find the stake needed on each of your bets to guarantee a fixed profit.

Parlay Odds Calculator - Calculate the payout for your parlay bet. Especially popular in America and Canada.

Bet365 Live Streaming Schedule - Watch live sport including football and horse racing, T&Cs Apply, 18+.

Promo Codes - Find the latest sports betting bonus codes for new customers. Codes include a deposit bonus for Bet365 and matched bets from Ladbrokes & William Hill.

About AceOdds

AceOdds provides the most comprehensive and reliable suite of bet calculators. Our expertise also extends to finding the best bonus codes and sign up promotions with the occasional tip-off from our shrewd user base. Learn more. Advertising disclosure.

Latest Bookmaker Bonus Codes

Bet £10 Get £50 in Free Bets

Use Bet365 Sport bonus code SPRT365

  • Min Deposit: £5
  • Expiry: 30 days
  • Min Odds: 1/5 (1.20)

Min deposit requirement. Free Bets are paid as Bet Credits and are available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Time limits and T&Cs apply.

Bet £10 Get 4x £10 Free Bets - Mobile Only

Use William Hill Sport promo code N40

  • Min Stake: £10
  • Bonus Expiry: 30 days
  • Min Odds: 1/2

KQCs: 18+. Play Safe. When you sign-up via Mobile using promo code N40 and place a bet of £10/€10 or more we will give you 4x £10/€10 free bets credited after settlement of first qualifying bet, free bets will expire 30 days after the qualifying bet is placed, payment method/player/country restrictions apply. #ad

Bet £10 Get £60 in Bonuses

Use Betfred Sport promo code BETFRED60

  • Min Odds: Evens
  • Bonus Expiry: 7 days
  • Min Spend: £10

New UK customers only. Register using the promo code BETFRED60, deposit and place first bet of £10+ on Sports (cumulative Evens+). First bet must be on Sports. £20 in Free Bets to be used on Sports, £10 in Free Bets to be used on Lotto and 50 Free Spins (20p per spin) credited within 48 hours of bet settlement. Further £20 in Free Bets credited 5 days after settlement. Bonuses have a 7-day expiry. Payment restrictions apply. SMS verification and/or Proof of I.D and address may be required. Full T&Cs apply.

Bet £5 Get £20 Free Bets + £20 Casino Bonus

No Ladbrokes Sport bonus code required. Use the link.

  • Bonus Expiry: 7 days
  • Min Odds: 1/2
  • Min Spend: £5

18+ New UK&IRE customers. Available from 09:00 (UK time) on 11/02/2022 until 23:59 (UK time) on 31/12/2023. Min first £5 bet within 14 days of account reg. at min odds 1/2 to get a £20 free sports bet (valid 7 days, stake not returned) & a £20 casino bonus (valid 30 days, selected games only). Certain deposit methods excluded. Restrictions & T&Cs apply.

Bet £10 Get £60

No Coral Sport promo code required. Use the link.

  • Min Odds: 1/2
  • Min Spend: £10
  • Casino Wagering: 50x

18+ New UK & ROI Customers only. Available from 09:00 14/02/2022 – 23:59 31/12/2022. Min deposit £/€10. Min first £/€10 bet at minimum odds 1/2 to qualify for 1x £/€20 free bet (valid 7 days, stake not returned) and a £40 casino bonus (50x wag reqs, selected games only, accept in 14 days, valid 30 days). Certain deposit methods and bet types excl. Restrictions + T&Cs apply.

£10 Free Bet - No Deposit Needed

No Sky Bet Sport promo code required. Use the link.

  • Bonus Expiry: None
  • Cash Out: No
  • Withdrawable: No

New customers only. No free bet expiry. Free bet to be claimed on any single or each-way selection. Free bet stakes not included in returns. Free bets are non-withdrawable. Eligibility restrictions apply. Further t&cs apply. 18+.

Up To £50 In Sports Free Bets

Use Paddy Power Sport promo code YSKAEV

  • Max Free Bet Value: £10
  • Max No Free Bets: 5
  • Min Deposit: £5

Place a single £10 Sportsbook bet and get money back as a free bet if it loses. There are x5 Free Bets available. Max refund per qualifying bet is £10. Only deposits made via Cards will be eligible for the promotion (Apple Pay excluded). T&C's apply

Bet £10 Get £50 + 100 Free Spins

No BetVictor Sport promo code required. Use the link.

  • Min Stake: £10
  • Min Odds: 2.0
  • Bonus Expiry: 7 days

18+ New customers only. Opt in, bet £10 odds of 2.00+, no cashout. Get a £10 Sports Free Bet, 2x £10 Football Free Bets & 2x £10 Horse Racing Free Bets, set events at odds 2.00+. Plus 100 Free Spins on Big Bass Bonanza, no wagering. 7 day bonus expiry. Card payments only. T&Cs apply.  Please gamble responsibly.

Bet £10 get a £10 Acca Bet

No Mr Green Sport promo code required. Use the link.

  • Min Spend: £10
  • Min Odds: 3/1
  • Free Bet Expiry: 7 days

T&Cs apply. New players only. Qualifying bet(s) must have minimum odds of 3/1 and must be settled before triggering free bet. Free Bet must be used on an accumulator with 3 or more selections. 18+.

100% Up To £150

Use 888 Sport promotion code 150BONUS

  • Min Odds: 1.5
  • Bonus Expiry: 60 days
  • Min Deposit: £/$/€10

£/$/€10 min deposit using promo code "150BONUS” - The bonus will be applied once the full deposit amount has been wagered at least twice with cumulative odds of 1.5 or greater. Wagering must be cleared within 60 days. This offer may not be combined with any other offer. Withdrawal, payment methods and country restrictions, and Full T&C’s apply.

Football - £40 Money Back As Bonus + £10 Casino Bonus

No Unibet Sport promo code required. Use the link.

  • Bonus Expiry: 7 days
  • Sports Wagering: 3x
  • Casino Wagering: 50x

18+ New customers only. Min deposit £10. Money back as bonus if first sports bet loses. Wagering requirements: sportsbook 3x at min. odds of 1.40 (2/5), casino 50x. Unless forfeited the sportsbook bonus must be wagered before using the casino bonus. Bonus expires 7 days after opt-in. Visit for full T&C's. #Ad

Bet £10 Get £30 in Free Bets

No Virgin Sport bonus code required. Use the link.

  • Min Odds: 1.5
  • Bonus Expiry: 7 days
  • Min Deposit: £10

New members. £10 min deposit & bet on sportsbook, placed & settled at 1.5 min odds within 14 days of sign-up. Win part of E/W bets. 3 non-withdrawable £10 Free Bet Tokens: accept in 7 days, valid for 7 days from acceptance (ex. E/Ws & Multiples), stakes not returned. Bet Responsibly.

Bet £10 Get £10 on Virtuals

Use Betdaq Sport promo code V1010

  • Min Stake: £10
  • Min Odds: 2.0
  • Bonus Expiry: 7 days

18+ only. Offer applies to customers who have not placed their first bet on Exchange or Sportsbook virtuals before 01/12/2015. Minimum odds of 2.0 or greater applies. Free bet stake not returned on winnings and must be placed at odds of 1.5 or greater. Free bet can only be used on Exchange or Sportsbook virtuals. Free bet valid for 7 days. T&Cs Apply.

Bet £10 Get £30

Use Betfair Sport promo code ZBGC01

  • Min Odds: 1/2
  • Bonus Expiry: 30 days
  • Min Spend: £50

Place a min £10 bet on the Sportsbook on odds of min 1/2 (1.5), get £30 in Free Bets. Rewards valid for 30 days. SMS verification required. Only deposits via cards will qualify. T&Cs apply. Please Gamble Responsibly

£20 Backup Bet

No BWin Sport bonus code required. Use the link.

  • Min Spend: £10
  • Min Odds: 1/2
  • Bonus Expiry: 7 days

18+ | New UK players only | Min deposit req. £10 | Certain deposit methods excluded | Place 1 sport bet (3+ selections) | Excl Horse Racing | Min stake £10 | Max stake £20 | Min Odds 1/2 (1.5) for each selection | Max FreeBet £20 for football only | FreeBet valid for 7 days | FreeBet stake not returned | T&Cs apply.

£25 Bet Bundle

No BoyleSports Sport promo code required. Use the link.

  • Min Stake: £10
  • Free Bet Expiry: 7 days
  • Min Odds: 1/2

18+. UK customers (Excluding NI) only. Cash stakes only. Min £10 stake required for initial £5 free bet. Min odds 1/2. Max £25 in Free Bets. Subsequent free bets equal 50% average of each 3 £5 max qualifying bets. 13 settled bets required to receive full £25 free bet. Qualifying bets must be placed on Sportsbook within 30 days of opening account. Cashed out bets will not qualify towards your average stake. 1 Free Bet offer per customer, household & IP Address only. 18+.Free bets expire in 7 days. Payment method restrictions apply. T&Cs apply

Bet £10 get £10 free in-play

No LeoVegas Sport bonus code required. Use the link.

  • Min Deposit: £10
  • Min Odds: 1.5
  • Free Bet Expiry: 7 days

New customers only. Opt in required. Qualifying bet must be £10 or more and placed at odds of 1.5 or higher. Free bet must be used in-play. Free bet is non-withdrawable, expires after 7 days and is not returned with winnings.
T&Cs apply. 18+

£30 in Free Bets if your first football ACCA loses

No Betway Sport promo code required. Use the link.

  • Wagering: 1x
  • Min Stake: £5
  • Min odds: 2/1

New UK customers only. £5 min deposit. 100% matched free bet up to £30 if your first football accumulator loses. First bet must contain 3+ legs on any football market at overall odds of 3.00 (2/1) or higher. Debit card customers only.The free bet will expire in 7 days. Full Terms apply.

0% Commission for 60 Days OR Money Back in Cash up to £20

Use Smarkets Sport promo code COMMFREE

  • Min Deposit: £10
  • Max Refund: £20

Use code COMMFREE to trade with 0% for 60 days OR code SMK20 to get a £20 / €20 cash refund.
Min. £10/€10 first deposit only using Card or Instant Banking. Cash refund expires in 7 days. Full T&Cs apply.

£50 Welcome Bonus

Use 10bet Sport bonus code PLAY10

  • Min Deposit: £15
  • Wagering: 8x
  • Bonus Expiry: 60 days

New bettors get 50% of the deposit up to £50, once per household, Min deposit £15 (no Skrill/Neteller); Wager 8x deposit and bonus in 60 days to convert into real money, betting min odds of 4/5 on singles, or min 2/5 per leg for acca, max. stake contribution to wagering = initial bonus, some bet types excluded; See full terms; 18+.

Double the Odds on Your first Bet

No Grosvenor Sport bonus code required. Use the link.

  • Max Bet: £10
  • Max days after registration: 60days

Get a 100% odds boost on your first bet on any sport, up to £10.

Bet £5 Get £20

No Totesport Sport promo code required. Use the link.

  • Credit Expiry: 7 days
  • Min Stake: £5
  • Max Credit: £20

New customers online only. Place your first bet on racing pools for a minimum of £/€5 and win or lose you will receive £/€20 Tote Credit. £/€20 Tote Credit rewarded as £/€10 redeemable against racing bets only and £/€10 redeemable against UK and Irish placepot bets only. Tote Credit cannot be withdrawn, exchanged, or substituted and expires after 7 days. Qualifying bet is the first racing pool bet added to the bet-slip. Ten to Follow, virtual and football bets do not qualify. Totewin will be the qualifying bet when a Totewin and a Toteplace bet are struck at the same time. UK & ROI customers only. 18+.  Full T&Cs apply.

£50 Welcome Challenge

No Sportingbet Sport promo code required. Use the link.

  • Free Bet Expiry: 3 days
  • Casino Wagering: 10x
  • Max Free Spins: 20

18+. Complete 4 Welcome Challenges. Get up to £50 in free bets, 20 free spins (available on Starburst only), an OddsBoost token and a £10 Casino Bonus (10x Wagering reqs). Rewards valid for a limited time only. T&Cs apply.

More Bonus Codes...

Upcoming Football Matches (odds subject to change)

Championship Fri, 29 Jul 2022

20:00 Huddersfield

Championship Sat, 30 Jul 2022

15:00 Blackburn
15:00 Blackpool
15:00 Cardiff
15:00 Hull
Bristol City
15:00 Luton
15:00 Millwall
15:00 Rotherham
15:00 Wigan
17:30 Middlesbrough
West Brom

Scottish Premiership Sat, 30 Jul 2022

12:00 Livingston
15:00 Hearts
Ross County
15:00 Kilmarnock
Dundee Utd
15:00 St Johnstone
15:00 St Mirren

The Best Betting Calculators

The AceOdds Bet Calculator makes betting simple. Our fully featured betting calculator allows you to calculate the stake, betting odds, return and payout for any bet combination.

Have a favourite type of bet? Maybe it’s a Yankee, Accumulator, or even the humble Single. Using our Specific Bet Calculator, you can select your preferred bet calculator with ease and speed – bookmark it for next time for even quicker access.

Have odds changed since you placed your last bet? Our Dutching Calculator helps you work out how much to stake on each selection to guarantee a fixed return, regardless of the outcome.

How To Use Our Betting Calculators

AceOdds betting calculators are fully customisable and comprehensive. You can tweak your odds format or adjust odds for specific selections, configure each way bets/and or wagers, and even view alternative bets with higher potential winnings based on your initial stake and selection.

To get the most use out of our betting calculator, follow our simple steps below:

  • Click the Settings icon in the top right corner of the calculator. Using the drop-down menu, select your desired Odds Format: Fractions, Decimals, or American. Use the drop-down menu to adjust your options for Advanced Each Way bets. Close the Settings - changes are automatically saved.
  • Using the drop-down menus, simply choose your preferred selections.
  • Where prompted, enter your Stake and Odds in your desired format.
  • Hover over the information buttons '?' for tips and contextual help in each section.
  • Click 'Save This Bet Slip' to generate a link to save or share. You can then click the social media icons underneath for a quick and simple way to share your bet slip.
  • Once you've made your bet calculations, check out some of our amazing promotional offers from world-renowned bookmakers, including the popular Bet365 bonus code. If you decide to create an account, you will get a welcome bonus making your betting experience even more enjoyable.

If you're new here or want more support, check our betting glossary for detailed help with terms and bet types.

Our Bookmakers & Promo Codes

We have aggregated a list of the best promo, bonus and free bet codes from the UK's leading bookmakers such as Skybet, Ladbrokes and Bet365 (Check out our popular Bet365 Bonus Code here). Whether you're a new customer searching for the greatest sign-up offers or a seasoned punter on the lookout for some bonus deals, you can trust that we will get you the best offers possible. Our codes are organised for easy comparison to allow you to make a clear decision with confidence.

With bookmaker offers subject to frequent change, you can check back regularly and be assured that you are in the know about all the latest deals; we work as quickly as possible to remove expired offers and constantly update our page with the latest codes.

How We Choose Our Bookmakers

When choosing someone to trust with your money, finding an honest and reliable bookmaker can be a difficult task. All sites listed on AceOdds are trusted and registered with the UK Gambling Commission. If a bookmaker is listed on our site, you can sit back, relax and be assured that you are in safe hands - all the checking has been done for you.

Now you know how we choose our bookmakers, let us help you to choose yours.

How To Use Our Promo Codes

Starting out on your betting journey? Make the most of your experience and take advantage of promo codes when signing up.

Our bookmakers' offers are displayed in a convenient table for easy comparison and come with a sorting tool to quickly filter results to meet your online betting interests and requirements.

Follow the below steps to find the best offer for you:

  • Using the 'Filter by' button, select your preferred deposit.
  • Using the 'Sort by' button, arrange the results according to your interest.
  • Using the 'Category' button, click to tailor your results to your chosen betting category (e.g. sport, casino, bingo etc.)
  • Scroll through the offers and compare the bullet-pointed overviews for each promo code. To learn more about a code, simply click on it.
  • To access more codes from the same bookmaker, select the 'View All 'X' Codes' button.
  • Sign up and the bonus will automatically be added to your account.

Remember it's easy to be drawn in by big numbers, so make sure you check your welcome offer's small print and requirements. If you want more help take a look at what to look out for in a bonus code.

Bookmaker Promotions

Bet365 Cash Out - Join Now
Bet365 Cash Out.
Bet365 Bet Builder - Create Your Own Personalised Football Bet
Bet365 Bet Builder.
Watch live football with Bet365
Bet365 Live Streaming.