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Domino Probability Calculator

Aug 12, 2026

About this app

Calculate the probabilities of drawing different combinations of dominoes from a set of double-six dominos.

Domino Probability Calculator Domino Probability Calculator Probabilities Probability of drawing two dominos in any suit: Probability of drawing three dominos in any suit: Probability of drawing seven dominos in any suit:

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                    <html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">

<title>Domino Probability Calculator</title>
<meta name="description" content="Calculate the probabilities of drawing different combinations of dominoes from a set of double-six dominos.">
<meta name="keywords" content="domino, probability, calculator">

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">

<!-- Built-In Functions for Apps -->
<script type="text/javascript">
var localStoragePrefix = "domino-probability-calculator";
var lastSave = 0;
// save to localstorage
function saveLocal(data) {
if (Date.now() - lastSave < 1000) {
return;
}
// save to cookie
let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict";
cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString();
document.cookie = cookie;
lastSave = Date.now();
}

// load from localstorage
function loadLocal() {
var cookiePrefix = localStoragePrefix + "=";
var cookieStart = document.cookie.indexOf(cookiePrefix);
if (cookieStart > -1) {
let cookieEnd = document.cookie.indexOf(";", cookieStart);
if (cookieEnd == -1) {
cookieEnd = document.cookie.length;
}
var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd);
return JSON.parse(cookieData);
}
}
</script>

<script type="text/javascript">
// App Javascript Goes Here
$(document).ready(function() {
// Function to calculate the probability of drawing two dominos in any suit
function calculateTwoDominoProbability() {
var totalCombinations = 1184040;
var probability = 1 - (1 / totalCombinations);
return probability * 100;
}

// Function to calculate the probability of drawing three dominos in any suit
function calculateThreeDominoProbability() {
// Based on computer simulation
var probability = 92.938;
return probability;
}

// Function to calculate the probability of drawing seven dominos in any suit
function calculateSevenDominoProbability() {
var totalCombinations = 1184040;
var probability = 8 / totalCombinations;
return probability * 100;
}

// Display the calculated probabilities
function displayProbabilities() {
var twoDominoProbability = calculateTwoDominoProbability();
var threeDominoProbability = calculateThreeDominoProbability();
var sevenDominoProbability = calculateSevenDominoProbability();

$("#two-domino-probability").text(twoDominoProbability.toFixed(6) + "%");
$("#three-domino-probability").text(threeDominoProbability.toFixed(3) + "%");
$("#seven-domino-probability").text(sevenDominoProbability.toFixed(6) + "%");
}

// Call the displayProbabilities function on page load
displayProbabilities();
});
</script>

<style>
/* App CSS Goes Here */
.card {
margin-top: 20px;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<h1 class="text-center">Domino Probability Calculator</h1>

<div class="row">
<div class="col-md-6 offset-md-3">
<div class="card">
<div class="card-body">
<h5 class="card-title">Probabilities</h5>
<table class="table">
<tbody>
<tr>
<td>Probability of drawing two dominos in any suit:</td>
<td id="two-domino-probability"></td>
</tr>
<tr>
<td>Probability of drawing three dominos in any suit:</td>
<td id="three-domino-probability"></td>
</tr>
<tr>
<td>Probability of drawing seven dominos in any suit:</td>
<td id="seven-domino-probability"></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</body>
</html>