Betting calculators: 10 miễn phí tools for smarter betting
1win is licensed under Curaçao 8048/JAZ and offers 40,000+ sports markets to 400,000+ players worldwide. All 10 calculators below are miễn phí, run entirely in your browser, and use proven mathematical formulas. Đăng ký with mã khuyến mãi XLBONUS to access 1win's full sportsbook and casino with your bonus active from the start.
All betting and casino calculators
Chuyển đổi tỷ lệ cược
Convert between decimal, fractional, American, Hong Kong, Indonesian, and Malay odds ngay lập tứcly. Also shows implied probability.
Open odds converter →Máy tính parlay
Calculate combined decimal odds, total payout, and implied probability for multi-leg accumulators. Supports up to 12 legs in decimal, American, or fractional format.
Open parlay calculator →Tiêu chí Kelly calculator
Determine the mathematically optimal fraction of your bankroll to stake on any bet given your edge and the odds. 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 odds 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 →Xác suất tiềm ẩn calculator
Convert any set of odds to implied probabilities and calculate the bookmaker overround (margin) for the full market. Add as many outcomes as you need.
Open probability calculator →Quản lý vốn 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 odds.
Open bankroll calculator →Surebet calculator
Detect 2-way and 3-way surebet opportunities and calculate proportional stakes automatically. Identifies whether any set of odds creates a guaranteed profit.
Open surebet calculator →Cược khớp lệnh calculator
Calculate back/lay stake, lay liability, and net profit after exchange commission. Handles both qualifying bets and miễn phí bet (stake not returned) scenarios.
Open matched bet calculator →How to use these tools
Every calculator on this page runs entirely in your browser. No data is sent to a server, no account 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 odds translate into probability, to experienced players sizing positions using the Tiêu chí Kelly or scanning markets for arbitrage.
Start with the odds converter if you are new to different odds formats. Move to the implied probability calculator to understand bookmaker margins. If you are building accumulators, use the parlay calculator to check combined odds and payouts before committing. For systematic bankroll management, the Tiêu chí Kelly 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 miễn phí bet offers and thưởng chào mừnges.
Why use 1win for cá cược thể thao
1win's Curaçao 8048/JAZ licence covers all markets có sẵn on the platform. With 40,000+ events priced hàng ngày across 30+ sports, the sportsbook provides the market depth needed to apply the strategies these calculators support. Đăng ký with mã khuyến mãi XLBONUS to access all markets and claim your welcome offer on your first nạp tiền.
Câu hỏi thường gặp
Are these calculators miễn phí to use?
Yes. Tất cả máy tính on this page are completely miễn phí. No account, login, or registration is required to use any of the tools.
Which calculator should I start with?
Start with the odds 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 odds. For exchange bets, always apply commission adjustments using the matched bet tool.
Are these tools suitable for trò chơi casino?
Some tools apply to trò chơi casino. The implied probability calculator can compute house edge from game odds, and the bankroll calculator is relevant to any game with a measurable edge. Trò chơi 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 mã khuyến mãi benefit?
Đăng ký an account at 1win.codes, enter XLBONUS during registration or on your first nạp tiền, and the thưởng chào mừng is applied to your account automatically. Check the current bonus terms for tối thiểu nạp tiền and yêu cầu cược vòngs.