Responsible Gambling

What Betting Maths is for

Betting Maths exists to explain the numbers behind betting markets. The calculators and guides are designed to help users understand concepts such as odds, implied probability, overround, dutching, hedging, back bets, lay bets, liability and bookmaker margin.

These tools can help explain how calculations work, but they cannot predict outcomes, remove risk or guarantee profit.

Safer gambling reminders

• Only gamble with money you can afford to lose.
• Do not chase losses.
• Do not increase stakes because of frustration, pressure or emotion.
• Set limits before betting and stick to them.
• Take breaks from gambling.
• Do not borrow money to gamble.
• Do not treat betting as income.
• Be careful with “systems” or claims of guaranteed profit.
• Remember that odds can change quickly and calculations can be affected by limits, commission and market movement.

Warning signs

It may be time to stop, take a break or seek support if gambling is causing stress, secrecy, debt, arguments, missed responsibilities or repeated attempts to win back losses.

• You feel unable to stop or control your gambling.
• You gamble with money needed for bills, rent, food or family commitments.
• You hide gambling activity from other people.
• You chase losses after a bad result.
• You feel anxious, angry or distressed because of gambling.
• You borrow money, use credit or sell items to gamble.

Where to get help in the UK

If you are in Great Britain and need support, the National Gambling Helpline is available on:

The NHS also provides information about getting help for gambling problems: NHS gambling addiction support.

Self-exclusion and blocking tools

If you want to stop gambling online, you may want to consider self-exclusion and blocking tools.

• GAMSTOP: A free self-exclusion scheme for UK-licensed online gambling sites. Visit GAMSTOP.
• Gamban: Software that can help block access to gambling websites and apps. Visit Gamban.
• Bank gambling blocks: Many banks allow gambling transaction blocks through their app or customer service.

Our position on betting systems

Betting Maths does not promote guaranteed betting systems. Pages about overround, hedging, dutching and bookmaker margin are educational. They are intended to explain calculations, not to suggest that betting profit is guaranteed or easy.

Any claim that you can always beat the bookmaker, always make profit, or remove all risk from gambling should be treated with caution.

Age restriction

Betting Maths is intended for adults only. If you are under 18, you should not gamble or use gambling-related services.