.crr-calculator-container {
max-width: 600px;
margin: 20px auto;
padding: 30px;
background-color: #f9fbfd;
border: 1px solid #e1e4e8;
border-radius: 8px;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.crr-header {
text-align: center;
margin-bottom: 25px;
color: #1a202c;
}
.crr-input-group {
margin-bottom: 20px;
}
.crr-label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: #4a5568;
}
.crr-input {
width: 100%;
padding: 12px;
border: 2px solid #cbd5e0;
border-radius: 6px;
font-size: 16px;
transition: border-color 0.2s;
box-sizing: border-box;
}
.crr-input:focus {
border-color: #3182ce;
outline: none;
}
.crr-btn {
width: 100%;
padding: 14px;
background-color: #2b6cb0;
color: white;
border: none;
border-radius: 6px;
font-size: 18px;
font-weight: bold;
cursor: pointer;
transition: background-color 0.2s;
}
.crr-btn:hover {
background-color: #2c5282;
}
.crr-result {
margin-top: 25px;
padding: 20px;
background-color: #ffffff;
border-left: 5px solid #38a169;
border-radius: 4px;
display: none;
box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.crr-result-item {
display: flex;
justify-content: space-between;
margin-bottom: 10px;
padding-bottom: 10px;
border-bottom: 1px solid #edf2f7;
}
.crr-result-item:last-child {
border-bottom: none;
}
.crr-result-label {
color: #718096;
font-weight: 500;
}
.crr-result-value {
font-weight: 800;
color: #2d3748;
font-size: 1.1em;
}
.crr-note {
font-size: 12px;
color: #718096;
margin-top: 5px;
font-style: italic;
}
.crr-article {
max-width: 800px;
margin: 40px auto;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: #2d3748;
}
.crr-article h2 {
color: #2b6cb0;
border-bottom: 2px solid #e2e8f0;
padding-bottom: 10px;
margin-top: 30px;
}
.crr-article p {
margin-bottom: 15px;
}
.crr-article ul {
margin-bottom: 20px;
padding-left: 20px;
}
.crr-article li {
margin-bottom: 8px;
}
.crr-formula-box {
background-color: #edf2f7;
padding: 15px;
border-radius: 6px;
font-family: 'Courier New', Courier, monospace;
text-align: center;
margin: 20px 0;
font-weight: bold;
}
function calculateRunRate() {
// Get Input Values
var runsInput = document.getElementById('crrRuns').value;
var oversInput = document.getElementById('crrOvers').value;
var resultDiv = document.getElementById('crrResult');
// Validation
if (runsInput === "" || oversInput === "") {
alert("Please enter both runs and overs.");
return;
}
var runs = parseFloat(runsInput);
var oversRaw = parseFloat(oversInput);
if (runs < 0 || oversRaw = 6) {
alert("Invalid Overs format. The decimal part (balls) cannot be 6 or higher. 10.6 becomes 11.0.");
return;
}
// Calculate Total Balls
var totalBalls = (oversInteger * 6) + ballsInteger;
if (totalBalls === 0) {
alert("Overs cannot be zero.");
return;
}
// Convert back to mathematical overs for the formula
// Example: 10.3 overs = 63 balls. Mathematical overs = 63 / 6 = 10.5
var mathematicalOvers = totalBalls / 6;
// Calculate Run Rate
var runRate = runs / mathematicalOvers;
// Calculate Projections
var proj20 = runRate * 20;
var proj50 = runRate * 50;
// Update UI
document.getElementById('displayCRR').innerHTML = runRate.toFixed(2);
document.getElementById('displayProj20').innerHTML = Math.round(proj20);
document.getElementById('displayProj50').innerHTML = Math.round(proj50);
document.getElementById('displayBalls').innerHTML = totalBalls;
resultDiv.style.display = "block";
}
Understanding the Cricket Run Rate Calculation Formula
In the sport of cricket, specifically in limited-overs formats like T20, ODI (One Day International), and List A games, the Run Rate (RR) is one of the most critical statistics. It determines how aggressively a batting team is scoring and helps chasing teams understand the pace required to win a match.
What is Run Rate?
Run Rate is simply the average number of runs a batting team scores per over. Since a standard cricket over consists of 6 legal deliveries, the run rate gives a snapshot of scoring efficiency. A high run rate indicates aggressive batting, while a low run rate suggests defensive play or difficult bowling conditions.
The Run Rate Formula
The calculation is straightforward, but it requires converting cricket overs into a mathematical figure that allows for division.
Run Rate = Total Runs Scored ÷ Total Overs Faced
Handling the "Overs" Variable
This is where most people make mistakes. In cricket notation, overs are often written as decimals (e.g., 4.3). However, this does not mean "four point three" in a mathematical sense. It means 4 overs and 3 balls.
To calculate accurately, you must normalize the overs:
- 1 Over = 6 Balls.
- 4.3 Overs = (4 x 6) + 3 = 27 balls.
- Mathematical Overs = 27 balls ÷ 6 = 4.5.
If a team scores 36 runs in 4.3 overs, you calculate: 36 ÷ 4.5 = 8.00 Run Rate.
Why is Run Rate Important?
Run Rate serves several purposes in modern cricket:
- Current Run Rate (CRR): Shows the current speed of the batting team.
- Required Run Rate (RRR): In the second innings, this tells the chasing team how many runs per over they strictly need to score to win the match.
- Net Run Rate (NRR): A more complex statistic used in tournaments to rank teams that finish with the same number of points.
Projected Score Calculation
Commentators often refer to a "Projected Score." This is an estimation of the final team total if they continue to score at the current Run Rate for the remainder of the innings.
Formula: Current Run Rate × Total Overs in Match (e.g., 20 or 50).
Using our calculator above, you can instantly see the projected totals for both T20 and 50-over formats based on your current performance.
Frequently Asked Questions
Does Run Rate include extras?
Yes. Any runs added to the team total, including wides, no-balls, byes, and leg-byes, are included in the numerator (Total Runs Scored). However, wides and no-balls are not counted as legal deliveries in the denominator (Overs).
What is a good Run Rate?
This depends entirely on the format. In Test cricket, 3.5 is considered healthy. In ODIs, anything above 6.0 is standard. In T20s, a run rate of 8.0 to 9.0 is often the minimum requirement for a competitive total.