HyperStake Logo
HyperStake

Free Betting Calculators

18 professional-grade tools for arbitrage, EV, Kelly criterion, odds conversion, and more. No signup required.

Probability & Value

3

Expected Value (EV)

Measure whether a bet is profitable long-term

Kelly Criterion

Optimal stake size to maximise bankroll growth

Poisson Distribution

Model score distributions and correct score probabilities

Odds & Pricing

4

Odds Converter

Convert between decimal, American, fractional & probability

No-Vig Calculator

Strip bookmaker margin to reveal true fair odds

Profit Calculator

Calculate the stake needed for a desired profit

Hold Calculator

Compare bookmaker margins across multiple books

Hedging & Arbitrage

4

Back-Lay Arbitrage

Guaranteed profit via bookmaker + exchange

Multi-Outcome Arbitrage

Back all outcomes across different books for guaranteed profit

Hedge Calculator

Lock in profit or reduce risk on existing bets

Middle Calculator

Find opportunities where both sides can win simultaneously

Free Bets & Promotions

2

Free Bet Converter (SNR)

Convert free bets into guaranteed cash

Mug Betting

Maintain account health with controlled small losses

Multi-Bets & Combos

3

Parlay / Multi

Combined odds, payout, and vig stacking analysis

Dutching

Back multiple outcomes for equal profit

Round Robin

Every parlay combination with full payout breakdown

Markets & Exchanges

2

Betting Exchange

Back/lay calculations with 8 exchange presets

Prediction Markets

Convert Kalshi, Polymarket & PredictIt prices to odds

Want live odds data?

HyperOdds automatically finds the best arbitrage and bonus bet conversions across all Australian bookmakers in real-time.

Explore ProductsJoin Discord