FREE / NO REAL MONEY
Sportsbook Rollover Calculator with Expected Value
Model a sportsbook bonus rollover using bonus terms, qualifying stake contribution, average decimal odds and your own win-probability estimate.
How it works & examplesUnderstand the calculation
How sportsbook rollover EV is calculated
Required qualifying turnover is the rollover base multiplied by the rollover factor. If only part of each stake counts, gross turnover is qualifying turnover divided by the contribution rate.
Sportsbook turnover rules are not identical to casino bonus playthrough; compare the other model in Bonus Wagering Requirements Calculator.
At decimal odds d and your estimated win probability p, expected return per unit staked is p × d − 1. The break-even probability is 1 / d. The calculator applies that EV only to the remaining modeled turnover.
The model does not infer p from the bookmaker price. That separation is deliberate: implied probability is a price threshold, not automatically a forecast.
Keep the turnover target and the value of completing it as separate questions. A large remaining rollover can still be reasonable if your qualifying bets are close to fair value, while a smaller target can be expensive when eligible markets carry a large edge or contribution is restricted.
Maths & verification
Calculate sportsbook bonus rollover, qualifying turnover, expected betting EV and break-even win probability from your own odds and probability estimate.
Try the simulator below. Input values stay in your browser; no account or money is involved.
Model assumptions: No. Virtual games use declared teaching models. Verify any actual operator’s payout rules independently.
Related interactive tools
- Bonus Wagering Requirements Calculator
Calculate wagering turnover from bonus base, contribution rate, x multiplier and assumed house edge; compare actual expected cost.
- Free Bet and Hedge Calculator
Estimate a stake-not-returned free bet and hedge stake against opposite decimal odds. Compare both outcome profits using manual assumptions.
- Betting Odds Calculator: Decimal, Fractional, US
Convert decimal, American and fractional odds, calculate implied probability, potential return, net profit and expected value for a given stake.
- Vig Calculator: Overround and No-Vig Odds
Calculate overround from two-way or three-way decimal odds and remove the bookmaker margin proportionally. Transparent probability model.
- Parlay Calculator: Combined Odds & Payout
Multiply 2–10 decimal odds, calculate parlay payout, implied probability and hypothetical expected value using independent-leg assumptions.
How to use the tool
Estimate the mathematical cost of clearing a sportsbook rollover instead of treating the bonus face value as cash.
- Enter deposit, bonus, rollover multiplier and whether the requirement applies to bonus only or deposit plus bonus.
- Set the qualifying stake contribution, average decimal odds and your own estimated true win probability.
- Compare remaining turnover, break-even probability, expected return per unit staked and bonus value after modeled betting EV.
Understanding your result
A 100-unit bonus with 10× bonus-only rollover requires 1,000 qualifying units. At average odds 2.00 and a 48% win estimate, EV per unit is 0.48 × 2.00 − 1 = −4%, so modeled wagering cost is 40.
Scope and limitations
The calculator does not estimate your real win probability. Minimum odds, excluded markets, voids, pushes, cashout restrictions, bet-builder contribution, max stakes and settlement rules must be checked in the promotion terms.
Before you rely on the result
- How the calculation works
Formulas, assumptions, rounding and model limits are documented on the methodology page.
- Check the current inputs
Use the odds, RTP, fees, bonus terms or other values currently shown by the operator or market.
Sportsbook rollover EV: turnover, break-even probability and expected cost
Sportsbook bonus rollover has two separate questions: how much qualifying turnover is required, and what mathematical cost that turnover has under your own probability assumptions.
Keeping those questions separate avoids treating a bonus face value as guaranteed withdrawable cash.
Worked example: 100 bonus, 10× rollover, 2.00 odds
Bonus-only rollover produces 1,000 qualifying units. At a 48% win estimate and decimal odds 2.00, expected return per unit is −4%, so expected wagering P/L is −40 over 1,000 units.
Contribution changes turnover, not the price of the bet
At 50% contribution the same 1,000 qualifying units require 2,000 gross stake. The odds and probability inputs determine EV per unit; contribution determines how much volume is exposed to that EV.
Minimum odds are a terms filter, not an EV guarantee
A promotion can require minimum qualifying odds, but meeting that threshold does not prove positive expected value. EV still depends on the relationship between price and your true probability estimate.
Questions about this calculation
Why are odds alone not enough for EV?
Odds give a break-even probability, not the true probability of winning. EV needs a separate probability estimate.
What does 50% contribution mean?
Only half of each qualifying stake advances the rollover counter, so twice as much gross stake is needed.
When is Sportsbook Rollover Calculator with Expected Value the right tool?
Estimate the mathematical cost of clearing a sportsbook rollover instead of treating the bonus face value as cash.
How should I read the result from Sportsbook Rollover Calculator with Expected Value?
A 100-unit bonus with 10× bonus-only rollover requires 1,000 qualifying units. At average odds 2.00 and a 48% win estimate, EV per unit is 0.48 × 2.00 − 1 = −4%, so modeled wagering cost is 40.
What can Sportsbook Rollover Calculator with Expected Value not tell me?
The calculator does not estimate your real win probability. Minimum odds, excluded markets, voids, pushes, cashout restrictions, bet-builder contribution, max stakes and settlement rules must be checked in the promotion terms.