Use standard notation (e.g., 4.2 means 4 overs and 2 balls).
Bowling Strike Rate–
Bowling Average–
Economy Rate–
Total Balls Bowled–
function calculateBowlingStats() {
// Get Input Values
var oversRaw = document.getElementById('oversInput').value.toString();
var runs = parseFloat(document.getElementById('runsInput').value);
var wickets = parseFloat(document.getElementById('wicketsInput').value);
// Validation
if (!oversRaw || isNaN(runs) || isNaN(wickets)) {
alert("Please enter valid numbers for Overs, Runs, and Wickets.");
return;
}
// Logic to convert Overs (e.g., 10.4) to Total Balls
var oversArray = oversRaw.split('.');
var wholeOvers = parseInt(oversArray[0]);
var extraBalls = 0;
if (oversArray.length > 1) {
extraBalls = parseInt(oversArray[1]);
}
// Validate ball part (must be less than 6)
if (extraBalls >= 6) {
alert("Invalid Over notation. The decimal part (balls) cannot be 6 or higher. 4.6 overs is 5.0 overs.");
return;
}
var totalBalls = (wholeOvers * 6) + extraBalls;
// Handle Edge Case: No balls bowled
if (totalBalls === 0) {
alert("Total balls bowled cannot be zero.");
return;
}
// 1. Calculate Strike Rate (Balls per Wicket)
var strikeRate = 0;
if (wickets > 0) {
strikeRate = totalBalls / wickets;
} else {
strikeRate = 0; // Infinite technically, but represented as 0 or N/A usually
}
// 2. Calculate Bowling Average (Runs per Wicket)
var average = 0;
if (wickets > 0) {
average = runs / wickets;
} else {
average = 0;
}
// 3. Calculate Economy Rate (Runs per Over)
// Note: For Economy, we need the mathematical decimal of overs, not the cricket notation.
// E.g. 10.3 overs is 10.5 mathematically.
var mathematicalOvers = totalBalls / 6;
var economy = runs / mathematicalOvers;
// Display Results
document.getElementById('resultsArea').style.display = 'block';
// Strike Rate
if (wickets === 0) {
document.getElementById('resStrikeRate').innerHTML = "N/A";
document.getElementById('resAverage').innerHTML = "N/A";
} else {
document.getElementById('resStrikeRate').innerHTML = strikeRate.toFixed(2);
document.getElementById('resAverage').innerHTML = average.toFixed(2);
}
document.getElementById('resEconomy').innerHTML = economy.toFixed(2);
document.getElementById('resBalls').innerHTML = totalBalls;
}
What is Bowling Strike Rate in Cricket?
In the sport of cricket, the Bowling Strike Rate is a crucial statistic used to measure a bowler's wicket-taking ability. Unlike the Economy Rate, which measures how many runs a bowler concedes, the Strike Rate focuses purely on frequency. It answers the question: "On average, how many balls does this bowler need to bowl to take a wicket?"
A lower number is always better. For example, a strike rate of 30.00 implies that the bowler takes a wicket every 30 balls (or every 5 overs).
How to Calculate Bowling Strike Rate
The calculation for bowling strike rate is straightforward, provided you have the total number of legal balls bowled and the total wickets taken.
Formula: Strike Rate = Total Balls Bowled / Total Wickets Taken
Step-by-Step Calculation Example
Let's assume a fast bowler has the following statistics for a Test series:
Overs Bowled: 25.4 (25 overs and 4 balls)
Runs Conceded: 120
Wickets Taken: 5
Step 1: Convert Overs to Balls
Since an over consists of 6 balls, we calculate: (25 × 6) + 4 = 150 + 4 = 154 balls.
The bowler's strike rate is 30.8. This means they take a wicket roughly every 31 balls.
The "Holy Trinity" of Bowling Stats
To fully evaluate a bowler, analysts look at three metrics together:
Strike Rate: Aggression/Penetration (Balls/Wicket). Lower is better.
Bowling Average: Cost of a wicket (Runs/Wicket). Lower is better.
Economy Rate: Run containment (Runs/Over). Lower is better.
A bowler like Dale Steyn was famous for having an incredibly low strike rate (taking wickets often), whereas spin bowlers in T20 cricket often focus on a low economy rate even if their strike rate is higher.
What is a Good Bowling Strike Rate?
Benchmarks vary by format:
Test Cricket: A strike rate below 50 is considered elite. Between 50-60 is good.
ODIs: A strike rate below 35 is exceptional. Between 35-45 is standard for strike bowlers.
T20s: Due to the short format, strike rates are often lower (between 15-24) simply because batters take more risks, leading to more wickets in fewer balls.