Calculating Effective Labor Rate

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Effective Labor Rate Calculator

Measure the actual revenue generated per billed hour of labor.

Analysis Results

Effective Labor Rate (ELR): $0.00
Labor Gross Profit Margin: 0%

What is the Effective Labor Rate (ELR)?

The Effective Labor Rate (ELR) is a critical Key Performance Indicator (KPI) for service-based businesses, particularly in the automotive repair and HVAC industries. While your "posted" shop rate might be $120 per hour, your ELR tells you what you are actually collecting for every hour of work produced.

Discounts, menu pricing, comeback repairs (re-work), and unbilled time all pull your ELR lower than your posted door rate. Monitoring this metric helps shop owners identify leakage in their service department's profitability.

How to Calculate Effective Labor Rate

The formula for ELR is straightforward:

ELR = Total Labor Revenue รท Total Billable Hours

Example Calculation

Imagine an automotive repair shop with a posted door rate of $150/hour. During one week:

  • Total Labor Revenue collected: $6,000
  • Total Billable Hours worked: 50 hours

ELR = $6,000 / 50 = $120.00 per hour.

In this scenario, the shop is losing $30 per hour due to factors like excessive discounting or flat-rate jobs that took longer than expected.

Why ELR Matters for Profitability

Metric Impact on ELR Action Item
Discounts Decreases ELR Limit "shop-wide" percentage discounts.
Menu Pricing Varies Ensure flat-rate times match actual effort.
Comebacks Decreases ELR Improve quality control to reduce unbilled rework.
Tech Efficiency Increases ELR Train techs to produce more hours in less time.

Labor Gross Profit Margin

If you know your technician's average hourly pay, you can calculate your Labor Gross Profit Margin. A healthy margin in the service industry typically falls between 65% and 75%. If your ELR is too close to your technician's pay rate, you won't have enough remaining revenue to cover overhead expenses like rent, utilities, and service advisors.

function calculateELR() { var revenue = parseFloat(document.getElementById('totalRevenue').value); var hours = parseFloat(document.getElementById('billedHours').value); var techPay = parseFloat(document.getElementById('techPay').value); var resultDiv = document.getElementById('elrResult'); var elrDisplay = document.getElementById('elrDisplay'); var marginDisplay = document.getElementById('marginDisplay'); var marginContainer = document.getElementById('marginContainer'); var adviceText = document.getElementById('adviceText'); if (isNaN(revenue) || isNaN(hours) || hours 0) { var margin = ((elr – techPay) / elr) * 100; marginDisplay.innerText = margin.toFixed(2) + "%"; marginContainer.style.display = "flex"; if (margin = 65 && margin 75) { adviceText.innerText = "Excellent! You have a high labor margin, indicating very efficient operations."; } } else { marginContainer.style.display = "none"; adviceText.innerText = "Tip: Enter your technician's hourly pay to see your labor gross profit margin."; } // Show results resultDiv.style.display = "block"; resultDiv.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

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