Use dot notation for balls (e.g., 10.2 is 10 overs, 2 balls).
Enter this to calculate Projected Score.
Enter target to calculate Required Run Rate (RRR).
Current Run Rate (CRR):–
Projected Score:–
Required Run Rate (RRR):–
Equation:–
function calculateRunRate() {
// Clear previous errors
var errorDiv = document.getElementById('errorMsg');
var resultsDiv = document.getElementById('resultsArea');
errorDiv.style.display = 'none';
resultsDiv.style.display = 'none';
// Get Inputs
var runs = parseFloat(document.getElementById('runsScored').value);
var oversInput = document.getElementById('oversBowled').value;
var totalMatchOvers = parseFloat(document.getElementById('totalMatchOvers').value);
var target = parseFloat(document.getElementById('targetScore').value);
// Validation: Runs
if (isNaN(runs) || runs 1) {
balls = parseInt(oversParts[1]);
// Handle edge case like "10."
if (isNaN(balls)) balls = 0;
}
// Validate balls (cannot be 6 or more in dot notation logic usually)
if (balls >= 6) {
errorDiv.innerText = "Invalid overs format. Balls cannot be 6 or higher (e.g., use 11.0 instead of 10.6).";
errorDiv.style.display = 'block';
return;
}
var totalBallsBowled = (completedOvers * 6) + balls;
if (totalBallsBowled === 0) {
errorDiv.innerText = "Overs bowled cannot be zero.";
errorDiv.style.display = 'block';
return;
}
// True Decimal Overs for Math
var decimalOvers = totalBallsBowled / 6;
// 1. Calculate Current Run Rate (CRR)
var crr = runs / decimalOvers;
// Display CRR
document.getElementById('resCRR').innerText = crr.toFixed(2);
// 2. Calculate Projected Score (if Total Match Overs is provided)
var projectedRow = document.getElementById('rowProjected');
if (!isNaN(totalMatchOvers) && totalMatchOvers > 0) {
var projected = crr * totalMatchOvers;
document.getElementById('resProjected').innerText = Math.round(projected);
projectedRow.style.display = 'flex';
} else {
projectedRow.style.display = 'none';
}
// 3. Calculate Required Run Rate (if Target is provided)
var rrrRow = document.getElementById('rowRRR');
var needsRow = document.getElementById('rowNeeds');
if (!isNaN(target) && !isNaN(totalMatchOvers)) {
var runsNeeded = target – runs;
var totalBallsInMatch = totalMatchOvers * 6;
var ballsRemaining = totalBallsInMatch – totalBallsBowled;
if (ballsRemaining > 0 && runsNeeded > 0) {
var oversRemainingDecimal = ballsRemaining / 6;
var rrr = runsNeeded / oversRemainingDecimal;
document.getElementById('resRRR').innerText = rrr.toFixed(2);
document.getElementById('resEquation').innerText = "Need " + runsNeeded + " runs in " + ballsRemaining + " balls";
rrrRow.style.display = 'flex';
needsRow.style.display = 'flex';
} else if (runsNeeded <= 0) {
document.getElementById('resRRR').innerText = "Target Reached";
document.getElementById('resEquation').innerText = "Win Achieved";
rrrRow.style.display = 'flex';
needsRow.style.display = 'flex';
} else {
rrrRow.style.display = 'none';
needsRow.style.display = 'none';
}
} else {
rrrRow.style.display = 'none';
needsRow.style.display = 'none';
}
// Show Results
resultsDiv.style.display = 'block';
}
How is Run Rate Calculated in Cricket?
In limited-overs cricket (such as ODIs and T20s), the Run Rate (RR) is one of the most critical statistics. It determines the pace at which a batting team is scoring and helps set targets for the chasing team. Whether you are watching the IPL, the World Cup, or a local club match, understanding how to calculate the run rate is essential for analyzing the game's flow.
The Basic Formula
Run rate, specifically "Runs Per Over" (RPO), is calculated by dividing the total number of runs scored by the total number of overs bowled. However, because an over consists of 6 balls, the calculation requires converting partial overs into fractions.
Run Rate = Total Runs Scored / Total Overs Bowled
Handling Overs and Balls
This is the tricky part where most people make mistakes. In cricket notation, 10.4 overs means "10 overs and 4 balls". It does not mean 10.4 decimal.
To calculate the run rate accurately, you must convert the overs into a standardized decimal format:
Step 1: Convert the total overs into total balls. (Formula: Full Overs × 6 + Extra Balls)
Step 2: Divide the total balls by 6 to get the "Decimal Overs".
Step 3: Divide the Runs by the Decimal Overs.
Calculation Example
Imagine a team has scored 145 runs in 15.3 overs.
Convert Overs to Balls: 15 overs × 6 = 90 balls. Add the 3 extra balls = 93 balls.
Convert to Decimal: 93 / 6 = 15.5 (mathematical overs).
Calculate Rate: 145 / 15.5 = 9.35.
So, the Current Run Rate (CRR) is 9.35 runs per over.
Current vs. Required Run Rate
There are two types of run rates often displayed on the scoreboard:
Current Run Rate (CRR): The speed at which the team is currently scoring. (Calculated using the logic above).
Required Run Rate (RRR): The speed at which the chasing team needs to score to win. This is calculated as: (Runs Needed) / (Overs Remaining).
Why is Net Run Rate (NRR) Different?
While the calculator above handles standard Run Rate (Runs Per Over), Net Run Rate (NRR) is used in tournaments to rank teams with equal points. NRR is the difference between a team's average run rate scored across the whole tournament and the average run rate conceded. It is a more complex metric used specifically for league tables.