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Free Tool Algorithm updated: Feb 2026

Wagering Calculator 2026

Calculate if your casino bonus is worth playing. See real expected value before claiming.

EV
Developed by Evgeniy Volkov
$
90%96%99%
$
result-monitor.sysFAIL
$-40Real Bonus Value (EV)
NEGATIVE_EV_DETECTED
analysis_complete // confidence: high
Total Wagering Required$3,500
Expected Loss-$140.00
Estimated Spins3,500
Estimated Time5.8 hours
completion_probability 24%
EV Formula
EV = Bonus - (Wagering × House Edge)

$100 - ($3,500 × 4.0%) = $-40.00

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18+. Affiliate links. Gambling can be addictive. Play responsibly. Terms apply.

The Math Behind Wagering

Understanding bonus expected value calculations

EV Formula

EV = B - (W × HE)

$100 - ($3,500 × 4%) = -$40

Total Wagering

Total = Bonus × X

$100 × 35x = $3,500

House Edge

HE = 100% - RTP

100% - 96% = 4%

Completion Rate

Monte Carlo Sim

Monte Carlo simulation

How Wagering Requirements Work

01

Bonus Received

Casino gives you bonus money, but you can't withdraw it immediately. It's 'locked' until you meet wagering requirements.

Get $100 bonus with 35x wagering
02

Wagering Required

You must bet the bonus amount multiplied by the wagering requirement. Each spin counts toward this target.

$100 × 35 = $3,500 in total bets
03

House Edge Takes Cut

Every bet has a house edge (100% - RTP). Over $3,500 in bets, you'll statistically lose a percentage.

4% of $3,500 = $140 expected loss

Real Value Calculated

Your real bonus value is the original bonus minus expected losses during wagering.

$100 - $140 = -$40 EV

Wagering Examples

Expected value for $100 bonus at 96% RTP

WageringTotal BetsExpected LossBonus EV
20x$2,000$80+$20
30x$3,000$120-$20
35x$3,500$140-$40
40x$4,000$160-$60
50x$5,000$200-$100

Pro Tips for Bonus Hunting

tip_01

Choose High RTP Games

Play slots with 97%+ RTP when wagering. Every 1% RTP improvement saves you $35 per $100 bonus at 35x wagering.

tip_02

Check Game Contributions

Some games only contribute 10-50% to wagering. A 96% RTP slot contributing 100% is better than 99% blackjack contributing 10%.

tip_03

Lower Wagering > Bigger Bonus

A $50 bonus with 20x wagering has better EV than a $100 bonus with 50x wagering. Always calculate, never assume.

FAQ

Frequently Asked Questions

A wagering requirement (or playthrough) is the number of times you must bet the bonus before you can withdraw. For example, 35x wagering on a $100 bonus means you need to place $3,500 in total bets.
Use this calculator. If the Expected Value (EV) is positive, the bonus is mathematically profitable. If EV is negative, you'll lose money on average. Most bonuses with 40x+ wagering and 96% RTP games have negative EV.
Use the RTP of the games you plan to play. Most slots are 94-96%. Some games like blackjack (99%+) have better RTP but may be restricted. Check the bonus terms for game contributions and restrictions.
Higher wagering means more total bets, which means more exposure to the house edge. At 4% house edge, every $1,000 wagered costs you $40 on average. More wagering = more expected losses.
Yes! EV is a long-term average. In a single session, variance can result in big wins or losses. However, over many bonuses, your results will trend toward the expected value.
Max bet limits restrict how much you can bet per spin while wagering. Lower max bets mean slower wagering completion but also lower variance. Violating max bet can void your bonus.
We use Monte Carlo simulations considering your bankroll, bet size, RTP, and game variance. Higher variance games have lower completion probability because you're more likely to go bust before finishing.

About Our Wagering Calculator

Our professional wagering calculator instantly analyzes any casino bonus to show you its true expected value. Whether you're a casual player or a bonus hunter, understanding wagering requirements is crucial to making profitable decisions.

The calculator accounts for the bonus amount, wagering multiplier, game RTP, and estimates completion time and probability. The Pro mode lets you compare multiple bonuses side-by-side to find the best value among different casinos.

This tool is 100% free, works instantly as you adjust values, and requires no registration. Updated for 2026 with the latest bonus math used by professional casino players worldwide.

common.reviewedBy
author-credentials.sysE-E-A-T
Evgeniy Volkov

Evgeny Volkov

Verified Expert
Math & Software Engineer, iGaming Expert

Over 10 years developing software for the gaming industry. Advanced degree in Mathematics. Specializing in probability analysis, RNG algorithms, and mathematical gambling models.

Experience10+
SpecializationiGaming
Status
Active
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