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What a wagering requirement is in the Gambling Commission’s words, how the base, multiplier and game contribution turn a £20 bonus into £200 or £2,000 of stakes, and a calculator that shows every step.
Read Wagering requirements explained: the base, the multiplier and the contribution rate decide what you actually stake
Read the conditions around a bonus balance, using a William Hill help-page example, current Great Britain context and an original contribution worksheet.
Read UK casino bonus terms: what do wagering, contribution and expiry mean?
Bonus × multiplier gives the turnover; turnover ÷ contribution gives the stakes; stakes × house edge gives the cost. On £20 at the 10× ceiling and a 30% game that is £200, £666.67 and about £26.67. The clauses, quoted and dated, with a calculator.
Read How to calculate wagering requirements: the clause, in plain English, with the arithmetic
A percentage cap and a cash cap can appear in the same bonus terms. The amount, the balance and the unit of play all need reading before either number means much.
Read Read a casino bonus maximum bet against the whole round
An offer closing, a reward arriving and a bonus expiring are different events. A deadline worksheet shows how to preserve the distinction without turning the clock into pressure to play.
Read Which event starts a casino bonus expiry clock?
Two percentages can appear in the same document while measuring completely different things.
Read Game contribution is not return to player
A multiplier is incomplete information until the base is named. A £20 bonus-only base at ten times is £200 of qualifying turnover, and the contribution rate can turn that into £2,000 of stakes.
Read The wagering base: the clause, in plain English, with the arithmeticThey are not beaten; they are cleared by staking the turnover figure, and the expected cost of doing so is stakes × house edge, which on a 30% game at 10× exceeds a £20 bonus. The only way to owe no turnover is to decline the bonus, which operators must allow.
From How to calculate wagering requirements: the clause, in plain English, with the arithmetic
The Commission defines a wagering requirement as wagers ‘totalling a particular value for funds to become withdrawable’; the value is the bonus balance times the multiplier, capped at 10 for bonus funds from 19 January 2026. The mechanics of the withdrawal itself belong to Payout Ledger.
From How to calculate wagering requirements: the clause, in plain English, with the arithmetic
Under the definition, funds subject to the requirement are not withdrawable until the wagers total the stated value. Whether a cash balance can be withdrawn separately depends on the clause, which our notes on bonus and cash balances take line by line. The code requires the restriction to be shown where you play, not only in a document.
From How to calculate wagering requirements: the clause, in plain English, with the arithmetic
The bonus balance stays locked until the turnover is staked, and the Commission’s transparency guidance requires players to be told when they are playing with restricted funds and what the restrictions are. Turnover = bonus × multiplier; stakes = turnover ÷ contribution.
From How to calculate wagering requirements: the clause, in plain English, with the arithmetic
A wagering requirement locks a bonus balance until stakes of a stated total have been placed; on a £20 bonus at the 10× ceiling that is £200 of turnover, and on a 30% game £666.67 of stakes. The expected cost of clearing is stakes × house edge.
From How to calculate wagering requirements: the clause, in plain English, with the arithmetic