.calculator-header { text-align: center; margin-bottom: 25px; }
.calculator-header h2 { color: #2c3e50; margin-bottom: 10px; }
.input-group { margin-bottom: 20px; }
.input-group label { display: block; font-weight: 600; margin-bottom: 8px; color: #444; }
.input-group input { width: 100%; padding: 12px; border: 2px solid #ddd; border-radius: 6px; font-size: 16px; box-sizing: border-box; transition: border-color 0.3s; }
.input-group input:focus { border-color: #3498db; outline: none; }
.calc-btn { width: 100%; background-color: #3498db; color: white; padding: 14px; border: none; border-radius: 6px; font-size: 18px; font-weight: bold; cursor: pointer; transition: background-color 0.3s; }
.calc-btn:hover { background-color: #2980b9; }
.result-box { margin-top: 25px; padding: 20px; border-radius: 6px; background-color: #f8f9fa; display: none; border-left: 5px solid #3498db; }
.result-item { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 17px; }
.result-value { font-weight: bold; color: #2c3e50; }
.error-msg { color: #e74c3c; font-weight: bold; margin-bottom: 15px; display: none; text-align: center; }
.article-section { margin-top: 40px; border-top: 1px solid #eee; pt: 30px; }
.article-section h3 { color: #2c3e50; margin-top: 25px; }
.example-box { background-color: #f1f8ff; padding: 15px; border-radius: 6px; margin: 15px 0; border-left: 4px solid #007bff; }
Please enter valid positive numbers. Total must be greater than passed.
function calculatePassRate() {
var total = parseFloat(document.getElementById('totalCandidates').value);
var passed = parseFloat(document.getElementById('passedCandidates').value);
var error = document.getElementById('errorMessage');
var resultBox = document.getElementById('resultBox');
if (isNaN(total) || isNaN(passed) || total <= 0 || passed total) {
error.style.display = 'block';
resultBox.style.display = 'none';
return;
}
error.style.display = 'none';
var passRate = (passed / total) * 100;
var failCount = total – passed;
var failRate = (failCount / total) * 100;
document.getElementById('passRateDisplay').innerHTML = passRate.toFixed(2) + '%';
document.getElementById('failRateDisplay').innerHTML = failRate.toFixed(2) + '%';
document.getElementById('failCountDisplay').innerHTML = failCount.toLocaleString();
resultBox.style.display = 'block';
}
What is a Pass Rate?
A pass rate is a statistical measure representing the percentage of candidates or items that successfully meet a specific standard or criterion within a given group. While most commonly used in educational contexts to measure exam success, it is also a vital KPI in recruitment, manufacturing quality control, and clinical trials.
The Pass Rate Formula
Calculating the pass rate is a straightforward mathematical process. The formula is:
Pass Rate (%) = (Number of Passes ÷ Total Number of Attempts) × 100
How to Use This Calculator
- Total Candidates: Enter the total number of people who took the test or the total number of items inspected.
- Successful Passes: Enter the number of people who passed or the number of items that met quality standards.
- Analyze: Our tool will instantly show you the success percentage, failure percentage, and the absolute number of failures.
Example Calculation:
Suppose a university class has 200 students. After the final exam, 170 students receive a passing grade.
Calculation: (170 / 200) × 100 = 85% Pass Rate.
The failure rate would be 15% (30 students).
Why Monitoring Pass Rates Matters
- Educational Quality: Consistently low pass rates in a specific course may indicate that the curriculum is too difficult or the teaching methods need adjustment.
- Recruitment Efficiency: In HR, the pass rate of candidates moving from the initial screening to the interview stage helps measure the effectiveness of job descriptions.
- Standardization: Professional licensing bodies use pass rates to ensure that exams are fair, valid, and reliable over time.
- Benchmarking: Organizations can compare their current performance against previous years or industry standards.
Frequently Asked Questions
What is a good pass rate?
A "good" pass rate depends entirely on the context. For a basic safety certification, you might expect a 95-100% pass rate. For a highly competitive professional exam like the Bar Exam or CPA Exam, pass rates often hover between 40% and 60%.
Can the pass rate be higher than 100%?
No. Since the number of people who pass cannot exceed the total number of people who took the test, the maximum possible pass rate is 100%.