Betting calculators: 10 free tools for smarter betting
1win is licensed under Curaçao 8048/JAZ and offers 40,000+ sports markets to 400 000+ гравців worldwide. All 10 calculators below are free, run entirely in your browser, and use proven mathematical formulas. Зареєструватися with промокод XLBONUS to access 1win's full букмекер and казино with your бонус active from the start.
All betting and казино calculators
Конвертер коефіцієнтів
Convert between decimal, fractional, American, Hong Kong, Indonesian, and Malay коефіцієнти instantly. Also shows implied probability.
Open коефіцієнти converter →Калькулятор парлею
Calculate combined decimal коефіцієнти, total payout, and implied probability for multi-leg accumulators. Supports up to 12 legs in decimal, American, or fractional format.
Open parlay calculator →Критерій Келлі calculator
Determine the mathematically optimal fraction of your bankroll to stake on any bet given your edge and the коефіцієнти. Supports full, half, and quarter Kelly.
Open Kelly calculator →Arbitrage calculator
Find the guaranteed-profit stake split for a 2-way market. Enter your total budget and the decimal коефіцієнти from two bookmakers to see the exact stakes and profit.
Open arbitrage calculator →Hedge calculator
Calculate the hedge stake that locks in profit or eliminates loss on an existing bet. Supports equal-profit, no-loss, and custom hedge stake modes.
Open hedge calculator →Each-way calculator
Break down win and place returns for horse racing each-way bets. Choose your place fraction (1/4, 1/5, 1/3, 1/2) and number of places paid.
Open each-way calculator →Імплікована ймовірність calculator
Convert any set of коефіцієнти to implied probabilities and calculate the bookmaker overround (margin) for the full market. Add as many outcomes as you need.
Open probability calculator →Bankroll calculator
Calculate the recommended unit stake size for your bankroll and risk tolerance, plus an estimated risk-of-ruin probability based on your win rate and коефіцієнти.
Open bankroll calculator →Surebet calculator
Detect 2-way and 3-way surebet opportunities and calculate proportional stakes automatically. Identifies whether any set of коефіцієнти creates a guaranteed profit.
Open surebet calculator →Зіставна ставка calculator
Calculate back/lay stake, lay liability, and net profit after exchange commission. Handles both qualifying bets and free bet (stake not returned) scenarios.
Open matched bet calculator →Як use these tools
Every calculator on this page runs entirely in your browser. Ні data is sent to a server, no акаунт is required to use them, and all calculations update as you type. The tools are designed for bettors at all levels, from beginners learning how decimal коефіцієнти translate into probability, to experienced players sizing positions using the Критерій Келлі or scanning markets for arbitrage.
Start with the коефіцієнти converter if you are new to different коефіцієнти formats. Move to the implied probability calculator to understand bookmaker margins. If you are building accumulators, use the parlay calculator to check combined коефіцієнти and payouts before committing. For systematic bankroll management, the Критерій Келлі calculator and bankroll calculator work together to size your stakes correctly.
Arbitrage and surebet tools are aimed at advanced players who compare prices across bookmakers. The matched bet calculator is the right tool for extracting guaranteed profit from free bet offers and вітальний бонусes.
Why use 1win for ставки на спорт
1win's Curaçao 8048/JAZ licence covers all markets available on the platform. With 40,000+ events priced daily across 30+ видів спорту, the букмекер provides the market depth needed to apply the strategies these calculators support. Зареєструватися with промокод XLBONUS to access all markets and claim your welcome offer on your перший депозит.
FAQ
Are these calculators free to use?
Так. Усі калькулятори on this page are completely free. Ні акаунт, login, or registration is required to use any of the tools.
Which calculator should I start with?
Start with the коефіцієнти converter to understand the format 1win uses (decimal). Then try the implied probability calculator to see what margin is built into any market you are looking at.
Do the calculations account for bookmaker commission?
The matched bet calculator deducts exchange commission from lay winnings. Other tools use raw decimal коефіцієнти. For exchange bets, always apply commission adjustments using the matched bet tool.
Are these tools suitable for casino games?
Some tools apply to ігри казино. The implied probability calculator can compute house edge from game коефіцієнти, and the bankroll calculator is relevant to any game with a measurable edge. Games of pure chance with negative expected value should use the bankroll tool to set loss limits rather than profit targets.
How do I get the XLBONUS promo code benefit?
Зареєструватися an акаунт at 1win.codes, enter XLBONUS during registration or on your перший депозит, and the вітальний бонус is applied to your акаунт automatically. Check the current бонус terms for minimum deposit and вимоги відіграшу.