Cricket Net Run Rate Calculator App

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Cricket Net Run Rate Calculator App .nrr-calculator-container { max-width: 800px; margin: 0 auto; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #f9fff9; } .nrr-header { text-align: center; color: #006400; margin-bottom: 25px; border-bottom: 2px solid #006400; padding-bottom: 10px; } .input-group { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 20px; justify-content: space-between; } .input-wrapper { flex: 1 1 45%; min-width: 250px; } .input-wrapper label { display: block; margin-bottom: 8px; font-weight: 600; color: #333; } .input-wrapper input { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-size: 16px; box-sizing: border-box; } .input-wrapper small { color: #666; font-size: 0.85em; } .btn-group { text-align: center; margin-top: 25px; } button.calc-btn { background-color: #006400; color: white; padding: 12px 30px; border: none; border-radius: 5px; font-size: 18px; cursor: pointer; transition: background 0.3s; margin-right: 10px; } button.calc-btn:hover { background-color: #004d00; } button.clear-btn { background-color: #777; color: white; padding: 12px 30px; border: none; border-radius: 5px; font-size: 18px; cursor: pointer; transition: background 0.3s; } button.clear-btn:hover { background-color: #555; } #nrr-result { margin-top: 30px; padding: 20px; background-color: #fff; border: 2px solid #006400; border-radius: 8px; display: none; } .result-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 16px; } .result-final { text-align: center; font-size: 24px; font-weight: bold; color: #006400; margin-top: 15px; padding-top: 15px; border-top: 1px dashed #ccc; } .article-content { margin-top: 50px; line-height: 1.6; color: #333; } .article-content h2 { color: #006400; margin-top: 30px; } .article-content h3 { color: #2e8b57; } .formula-box { background-color: #eee; padding: 15px; border-left: 5px solid #006400; font-family: monospace; margin: 15px 0; }

Cricket Net Run Rate Calculator

Use decimal format (e.g., 20.3 for 20 overs 3 balls)
Use decimal format (e.g., 48.5 for 48 overs 5 balls)
Run Rate For: 0.000
Run Rate Against: 0.000
Net Run Rate (NRR): 0.000

What is Net Run Rate (NRR)?

In cricket tournaments like the World Cup, IPL, or league matches, Net Run Rate (NRR) is the preferred method for separating teams that finish with the same number of points. It essentially measures a team's winning margin or losing margin throughout a tournament.

A positive NRR means a team scores runs faster than they concede them, while a negative NRR indicates the opposite. It acts as a tie-breaker to determine semi-finalists or league leaders.

How to Calculate Net Run Rate

The calculation involves two main components: your team's scoring rate and the rate at which you concede runs. The mathematical formula is:

NRR = (Total Runs Scored / Total Overs Faced) – (Total Runs Conceded / Total Overs Bowled)

Understanding the Overs Conversion

One critical aspect often overlooked is how overs are treated mathematically. In cricket, an over consists of 6 balls. Therefore:

  • 10.1 overs is not 10.1 mathematically; it is 10 + 1/6 overs (approx 10.166).
  • 10.3 overs is 10 + 3/6 overs (10.5).
  • 10.5 overs is 10 + 5/6 overs (approx 10.833).

This calculator automatically handles this conversion to ensure 100% accuracy.

Example Calculation

Imagine Team A has played 2 matches:

  • Match 1: Scored 200/5 in 20 overs. Conceded 150/8 in 20 overs.
  • Match 2: Scored 180/10 in 18.3 overs. Conceded 182/4 in 19.1 overs.

To find the NRR:

  1. Total Runs Scored: 200 + 180 = 380
  2. Total Overs Faced: 20 + 18.5 (18.3 is 18.5) = 38.5 actual overs.
  3. Run Rate For: 380 / 38.5 = 9.870
  4. Total Runs Conceded: 150 + 182 = 332
  5. Total Overs Bowled: 20 + 19.166 (19.1 is 19.166) = 39.166 actual overs.
  6. Run Rate Against: 332 / 39.166 = 8.476
  7. Final NRR: 9.870 – 8.476 = +1.394

Important Rules for NRR

If a team is bowled out (all out) before their full quota of overs is played, the calculation assumes they faced the full quota of overs (e.g., 20 or 50). However, if they chase down a target, only the actual overs played count. Always input the specific data according to tournament rules.

function convertCricketOversToFloat(cricketOvers) { // cricketOvers comes in as float e.g. 10.4 (10 overs 4 balls) if (isNaN(cricketOvers)) return 0; // Handle string parsing to ensure .4 doesn't become .40 var strVal = cricketOvers.toString(); var parts = strVal.split('.'); var overs = parseInt(parts[0]); var balls = 0; if (parts.length > 1) { // Take the first digit of the decimal part strictly // If user types 10.4, parts[1] is '4'. If user types 10.40, parts[1] is '40' // In cricket input context, 10.4 usually means 4 balls. // We assume standard notation X.Y where Y is 0-5. var decimalStr = parts[1].substring(0, 1); balls = parseInt(decimalStr); } // Validate ball count (should not be > 5 normally, but let's just calc it) return overs + (balls / 6.0); } function calculateNRR() { // 1. Get Input Values var runsScored = parseFloat(document.getElementById('runsScored').value); var oversFacedInput = parseFloat(document.getElementById('oversFaced').value); var runsConceded = parseFloat(document.getElementById('runsConceded').value); var oversBowledInput = parseFloat(document.getElementById('oversBowled').value); // 2. Validate Inputs if (isNaN(runsScored) || isNaN(oversFacedInput) || isNaN(runsConceded) || isNaN(oversBowledInput)) { alert("Please enter valid numbers for all fields."); return; } if (oversFacedInput === 0 || oversBowledInput === 0) { alert("Overs cannot be zero."); return; } // 3. Convert Cricket Notation (Over.Ball) to Mathematical Overs var realOversFaced = convertCricketOversToFloat(oversFacedInput); var realOversBowled = convertCricketOversToFloat(oversBowledInput); // 4. Calculate Run Rates var rrFor = runsScored / realOversFaced; var rrAgainst = runsConceded / realOversBowled; // 5. Calculate NRR var nrr = rrFor – rrAgainst; // 6. Display Results document.getElementById('display-rr-for').innerText = rrFor.toFixed(3); document.getElementById('display-rr-against').innerText = rrAgainst.toFixed(3); var nrrElement = document.getElementById('final-nrr'); var nrrFormatted = (nrr > 0 ? "+" : "") + nrr.toFixed(3); nrrElement.innerText = nrrFormatted; if (nrr > 0) { nrrElement.style.color = "green"; } else if (nrr < 0) { nrrElement.style.color = "red"; } else { nrrElement.style.color = "black"; } document.getElementById('nrr-result').style.display = 'block'; } function resetCalculator() { document.getElementById('runsScored').value = ''; document.getElementById('oversFaced').value = ''; document.getElementById('runsConceded').value = ''; document.getElementById('oversBowled').value = ''; document.getElementById('nrr-result').style.display = 'none'; }

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