--- title: "Lottery Odds Calculator | Probability & Combinatorics Tool | XTRAW Tools" description: "Calculate the odds of winning a lottery by matching numbers. Use this free browser-based probability calculator from XTRAW Tools for quick counting and chance estimates." url: "https://xtraw.com/calculators/statistics-calculators/lottery-odds-calculator" date: "2026-05-20T22:51:44+00:00" language: "en-GB" --- [Z Score Calculator](https://xtraw.com/calculators/statistics-calculators/z-score-calculator)[A/B Test Calculator](https://xtraw.com/calculators/statistics-calculators/ab-test-calculator) [![Lottery Odds Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-lottery-odds-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-lottery-odds-calculator-360x360.jpg "Lottery Odds Calculator from XTRAW Tools") new [Back to: Statistics Calculators](https://xtraw.com/calculators/statistics-calculators "Statistics Calculators") # Lottery Odds Calculator Calculate the odds of winning a lottery by matching numbers. Use this free browser-based lottery odds calculator from XTRAW Tools. **Lottery Odds Calculator** helps you calculate the odds of winning a lottery by matching numbers. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step. ## How to Use the Lottery Odds Calculator 1. Enter the required calculator inputs shown in the form. 2. Review the probability, experiment, sample, velocity, acceleration, distance, force, angle, or physics assumptions. 3. Run the calculator, then adjust one input at a time to compare scenarios or check your estimate. ## What This Calculator Helps With Calculate the odds of winning a lottery by matching numbers. It is designed for students, teachers, probability learners, analysts, game users, researchers, and anyone working with probability or counting problems who want a fast, browser-based estimate before relying on a spreadsheet, textbook, analytics platform, physics software, research software, professional source, or specialist. - Numbers in Pool: 69 - Numbers You Pick: 5 - Bonus Ball Pool (0 = none): 26 - Bonus Balls Required (0 = none): 1 ## Common Uses People use this calculator when they need a quick way to estimate chance, count outcomes, compare probability assumptions, or check a combinatorics formula. - **Math Solving:** Solve probability, combinatorics, A/B testing, effect size, physics, motion, force, or work formulas from entered values. - **Random Selection:** Explore lottery, probability, and counting outcomes for education, planning, and chance demonstrations. - **Measurement:** Measure odds, combinations, conversion lift, effect size, velocity, acceleration, force, work, range, or related computed values. ## Formula or Method Odds = C(pool, pick) × C(bonusPool, bonusPick) ## Example **Example inputs:** Numbers in Pool: 69; Numbers You Pick: 5; Bonus Ball Pool (0 = none): 26; Bonus Balls Required (0 = none): 1 **Example result:** Using the default inputs, odds of matching the required numbers are about 1 in 292,201,338. ## Related Tools - [Combination Calculator](https://xtraw.com/tools/combination-calculator) - [Permutation Calculator](https://xtraw.com/tools/permutation-calculator) - [Probability Calculator](https://xtraw.com/tools/probability-calculator) - [Dice Probability Calculator](https://xtraw.com/tools/dice-probability-calculator) - [Coin Flip Probability Calculator](https://xtraw.com/tools/coin-flip-probability-calculator) - [Card Probability Calculator](https://xtraw.com/tools/card-probability-calculator) ## Lottery Odds Calculator FAQ ### Is the Lottery Odds Calculator free? Yes. This calculator is free to use on XTRAW Tools. ### Do I need to create an account? No. XTRAW tools are designed for browser-based use without requiring an account. ### Are the results exact? Results may be estimates depending on the inputs, formula, rounding, selected method, probability model, physics assumption, or purpose of the calculator. Always verify important results before relying on them. **Disclaimer:** This calculator is provided for general informational, educational, and convenience purposes only. It is not legal, financial, medical, gambling, lottery, academic, research, statistical consulting, safety, or professional advice. 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