Advanced Baseball Statistics Calculator
Results:
AVG: ' + avg + '
' +
'OBP: ' + obp + '
' +
'SLG: ' + slg + '
' +
'OPS: ' + ops + '
';
document.getElementById('result-title').innerText = "Player Batting Performance";
document.getElementById('result-display').style.display = 'block';
}
function calculatePitching() {
var ipInput = parseFloat(document.getElementById('ip').value) || 0;
var er = parseFloat(document.getElementById('er').value) || 0;
var ha = parseFloat(document.getElementById('ha').value) || 0;
var bba = parseFloat(document.getElementById('bba').value) || 0;
if (ipInput === 0) {
alert("Innings Pitched must be greater than zero.");
return;
}
// Standardize IP (e.g., 180.1 means 180 and 1/3)
var fullInnings = Math.floor(ipInput);
var partial = ipInput – fullInnings;
var actualInnings = fullInnings + (partial * 10 / 3);
var era = (er * 9 / actualInnings).toFixed(2);
var whip = ((ha + bba) / actualInnings).toFixed(2);
var grid = document.getElementById('stat-grid');
grid.innerHTML = 'Earned Run Average (ERA): ' + era + '
' +
'Walks + Hits per IP (WHIP): ' + whip + '
';
document.getElementById('result-title').innerText = "Pitcher Performance Metrics";
document.getElementById('result-display').style.display = 'block';
}
Understanding Core Baseball Statistics
In the modern era of Sabermetrics, evaluating a baseball player's performance goes beyond just counting hits and runs. This baseball statistics calculator helps you determine the key metrics used by professional scouts and fantasy baseball enthusiasts to measure effectiveness on both sides of the plate.
Key Batting Metrics Explained
- Batting Average (AVG): The traditional measure of a hitter's success. Calculated as
Hits ÷ At Bats. While popular, it doesn't account for walks or the power of the hit. - On-Base Percentage (OBP): Often considered more valuable than AVG, this measures how frequently a batter avoids making an out. It includes walks and hit-by-pitches.
- Slugging Percentage (SLG): This represents the total number of bases a player records per at-bat. It rewards power hitters who hit doubles, triples, and home runs.
- On-Base Plus Slugging (OPS): A comprehensive stat that combines OBP and SLG to give a single number representing a player's overall offensive contribution.
Key Pitching Metrics Explained
- Earned Run Average (ERA): The average number of earned runs a pitcher would give up over a 9-inning game. Formula:
(Earned Runs × 9) ÷ Innings Pitched. - WHIP: Stands for "Walks + Hits per Innings Pitched." It measures how many baserunners a pitcher allows on average per inning. A WHIP under 1.10 is considered elite.
Practical Example
Imagine a player with the following season stats: 500 At Bats, 150 Hits (including 30 Doubles and 20 Home Runs), 50 Walks, 5 Hit By Pitches, and 5 Sacrifice Flies. Their Total Bases (TB) would be 240. Using our calculator, you would find:
- Batting Average: .300
- On-Base Percentage: .366
- Slugging Percentage: .480
- OPS: .846
This player would be considered an All-Star caliber offensive threat in most professional leagues.