.nrr-calculator-container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
background-color: #f9f9f9;
border: 1px solid #e0e0e0;
border-radius: 8px;
font-family: Arial, sans-serif;
}
.nrr-calculator-title {
text-align: center;
color: #2c3e50;
margin-bottom: 20px;
}
.nrr-input-group {
margin-bottom: 15px;
}
.nrr-input-group label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #34495e;
}
.nrr-input-group input {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
font-size: 16px;
}
.nrr-section-header {
background-color: #27ae60;
color: white;
padding: 8px 15px;
border-radius: 4px;
margin-bottom: 15px;
margin-top: 10px;
font-size: 1.1em;
}
.nrr-section-header.opponent {
background-color: #c0392b;
}
.nrr-btn {
width: 100%;
padding: 12px;
background-color: #2980b9;
color: white;
border: none;
border-radius: 4px;
font-size: 18px;
cursor: pointer;
margin-top: 10px;
transition: background-color 0.3s;
}
.nrr-btn:hover {
background-color: #1f618d;
}
.nrr-result {
margin-top: 20px;
padding: 20px;
background-color: #ecf0f1;
border-left: 5px solid #2980b9;
border-radius: 4px;
display: none;
}
.nrr-value {
font-size: 32px;
font-weight: bold;
color: #2c3e50;
text-align: center;
display: block;
margin: 10px 0;
}
.nrr-breakdown {
font-size: 14px;
color: #555;
margin-top: 10px;
line-height: 1.6;
}
.article-content {
max-width: 800px;
margin: 40px auto;
font-family: Arial, sans-serif;
line-height: 1.6;
color: #333;
}
.article-content h2 {
color: #2c3e50;
border-bottom: 2px solid #eee;
padding-bottom: 10px;
margin-top: 30px;
}
.article-content h3 {
color: #34495e;
margin-top: 20px;
}
.article-content ul {
margin-bottom: 20px;
}
.article-content li {
margin-bottom: 8px;
}
.highlight-box {
background-color: #e8f6f3;
border: 1px solid #a2d9ce;
padding: 15px;
border-radius: 5px;
margin: 20px 0;
}
function calculateNRR() {
// 1. Get Inputs
var runsScored = document.getElementById('runsScored').value;
var oversFaced = document.getElementById('oversFaced').value;
var runsConceded = document.getElementById('runsConceded').value;
var oversBowled = document.getElementById('oversBowled').value;
// 2. Validation
if (runsScored === "" || oversFaced === "" || runsConceded === "" || oversBowled === "") {
alert("Please fill in all fields to calculate the Run Rate.");
return;
}
// 3. Helper Function to convert cricket overs (e.g. 10.4) to mathematical overs (10 + 4/6)
function convertCricketOversToMath(oversInput) {
var val = parseFloat(oversInput);
if (isNaN(val)) return 0;
var fullOvers = Math.floor(val);
// Handle floating point precision issues for balls
var balls = Math.round((val – fullOvers) * 10);
// Cricket validation: Balls cannot exceed 6 (e.g. 10.7 is invalid input usually, but we treat it as 10 balls)
// Standardize:
var totalBalls = (fullOvers * 6) + balls;
return totalBalls / 6;
}
// 4. Convert Inputs
var mathOversFaced = convertCricketOversToMath(oversFaced);
var mathOversBowled = convertCricketOversToMath(oversBowled);
var runsScoredVal = parseFloat(runsScored);
var runsConcededVal = parseFloat(runsConceded);
// Prevent division by zero
if (mathOversFaced === 0 || mathOversBowled === 0) {
alert("Overs faced or bowled cannot be zero.");
return;
}
// 5. Calculate Run Rates
var runRateFor = runsScoredVal / mathOversFaced;
var runRateAgainst = runsConcededVal / mathOversBowled;
// 6. Calculate NRR
var nrr = runRateFor – runRateAgainst;
// 7. Format Output
var nrrFormatted = (nrr > 0 ? "+" : "") + nrr.toFixed(3);
// 8. Update DOM
var resultBox = document.getElementById('resultBox');
var nrrOutput = document.getElementById('nrrOutput');
var breakdown = document.getElementById('calcBreakdown');
resultBox.style.display = "block";
nrrOutput.innerText = nrrFormatted;
// Styling based on result
if (nrr >= 0) {
nrrOutput.style.color = "#27ae60"; // Green for positive
} else {
nrrOutput.style.color = "#c0392b"; // Red for negative
}
breakdown.innerHTML = "
" +
"Team Run Rate: " + runsScoredVal + " / " + mathOversFaced.toFixed(4) + " =
" +
"Opponent Run Rate: " + runsConcededVal + " / " + mathOversBowled.toFixed(4) + " =
" +
"NRR = " + runRateFor.toFixed(3) + " – " + runRateAgainst.toFixed(3) + " = " + nrrFormatted;
}
How to Use the Team Run Rate Calculator
This Net Run Rate (NRR) calculator is an essential tool for cricket analysts, coaches, and fans. It helps determine a team's standing in league tables where points are equal. To use this calculator effectively, you will need the cumulative data for the team throughout the tournament.
- Total Runs Scored: The sum of all runs your team has scored in the tournament so far.
- Total Overs Faced: The total number of overs your team has batted. Note: If a team is all out in 15.2 overs, the calculation counts it as the full quota of overs (e.g., 20 or 50) for NRR purposes, but enter the actuals here if you are calculating single match NRR or if the all-out rule doesn't apply to your specific scenario.
- Total Runs Conceded: The sum of all runs scored by opponents against your team.
- Total Overs Bowled: The total number of overs your team has bowled against opponents.
What is Net Run Rate (NRR)?
Net Run Rate (NRR) is a statistical method used in cricket to rank teams with equal points in limited-overs league competitions. It serves as a tie-breaker to determine which teams progress to the next stage of a tournament (like the Semi-Finals in the World Cup or Playoffs in the IPL).
Essentially, NRR measures how much faster a team scores compared to how fast they concede runs. A positive NRR means a team is scoring faster than their opponents on average, while a negative NRR indicates the opposite.
The Formula
The mathematical formula for calculating Net Run Rate is:
NRR = (Runs Scored / Overs Faced) – (Runs Conceded / Overs Bowled)
Detailed Calculation Example
Let's assume Team A has played 2 matches in a tournament.
Match 1:
Team A scores 180/4 in 20.0 overs.
Opponent scores 160/8 in 20.0 overs.
Match 2:
Team A scores 150/9 in 20.0 overs.
Opponent chases it down, scoring 154/2 in 18.2 overs.
Step-by-Step Calculation:
1. Calculate Total Runs and Overs for Team A:
Runs Scored: 180 + 150 = 330
Overs Faced: 20.0 + 20.0 = 40.0
2. Calculate Total Runs and Overs for Opponents:
Runs Conceded: 160 + 154 = 314
Overs Bowled: 20.0 + 18.2 (18 overs + 2 balls)
Note on Overs Conversion: 18.2 overs is mathematically 18 + (2/6) = 18.333 overs. Total Overs Bowled = 20 + 18.333 = 38.333.
3. Apply Formula:
Team A Run Rate = 330 / 40 = 8.25
Opponent Run Rate = 314 / 38.333 = 8.191
NRR = 8.25 – 8.191 = +0.059
Common Questions
Why is my NRR negative?
A negative NRR occurs when your opponents score runs at a faster rate against you than you score against them. Even if you have won matches, if those wins were narrow and your losses were by huge margins, your NRR could still be negative.
How do partial overs work?
In cricket, overs are counted in base-6 (6 balls per over). However, calculators use the decimal system. Therefore, 10.3 overs (10 overs and 3 balls) is actually 10.5 in decimal terms (because 3 is half of 6). This calculator automatically handles that conversion for you.
What happens if a team is "All Out"?
According to ICC rules, if a batting team is bowled out (all out) before their full quota of overs is exhausted, the calculation of their Run Rate is based on the full quota of overs (e.g., 50 overs in ODIs or 20 overs in T20s), not the actual overs they batted. This penalizes the team for losing all their wickets early.