Machine Rate Calculation

Machine Hourly Rate Calculator

Determine the total owning and operating cost per hour

Ownership (Fixed) Costs

Operating (Variable) Costs

Calculation Summary

Total Machine Rate
$0.00 / hr

Understanding Machine Rate Calculation

A machine rate represents the estimated cost per unit of time (usually per hour) for owning and operating a piece of equipment. This calculation is vital for contractors, forestry managers, and manufacturers to set rental rates, bid on projects, and manage equipment lifecycles.

Key Components of the Rate

  • Fixed Ownership Costs: These costs occur regardless of whether the machine is running. They include depreciation (loss of value over time), interest on capital, insurance, and taxes.
  • Variable Operating Costs: These costs are only incurred when the machine is active. This includes fuel, lubricants, filters, tires, and routine maintenance/repairs.
  • Labor Costs: The hourly wage of the operator plus any associated benefits or overhead.

Example Calculation

Consider a bulldozer purchased for $150,000 with a 5-year lifespan. If it runs 2,000 hours a year and has a salvage value of $30,000:

  1. Depreciation: ($150,000 – $30,000) / (5 years * 2,000 hours) = $12.00/hr.
  2. Average Investment: Calculated based on the midpoint value over the lifespan to determine interest and insurance costs.
  3. Fuel: If it consumes 5 gallons/hr at $4.50/gal, that is $22.50/hr.
  4. Repairs: If repairs are 90% of total depreciation over its life, that adds roughly $10.80/hr.

Summing these with an operator wage of $35/hr results in a comprehensive machine rate that ensures the business covers all hidden costs and remains profitable.

function calculateMachineRate() { // Inputs var purchasePrice = parseFloat(document.getElementById('purchasePrice').value) || 0; var salvageValue = parseFloat(document.getElementById('salvageValue').value) || 0; var economicLife = parseFloat(document.getElementById('economicLife').value) || 1; var annualHours = parseFloat(document.getElementById('annualHours').value) || 1; var interestRate = parseFloat(document.getElementById('interestRate').value) || 0; var fuelPrice = parseFloat(document.getElementById('fuelPrice').value) || 0; var fuelConsumption = parseFloat(document.getElementById('fuelConsumption').value) || 0; var repairFactor = parseFloat(document.getElementById('repairFactor').value) || 0; var operatorWage = parseFloat(document.getElementById('operatorWage').value) || 0; var lubeFactor = parseFloat(document.getElementById('lubeFactor').value) || 0; // Total Hours var totalLifeHours = economicLife * annualHours; // 1. Ownership Costs var depreciationTotal = purchasePrice – salvageValue; var hourlyDepreciation = depreciationTotal / totalLifeHours; // Average Investment (AI) formula: ((P-S)*(N+1)/(2N)) + S var avgInvestment = ((purchasePrice – salvageValue) * (economicLife + 1) / (2 * economicLife)) + salvageValue; var hourlyInterestIns = (avgInvestment * (interestRate / 100)) / annualHours; var totalFixed = hourlyDepreciation + hourlyInterestIns; // 2. Operating Costs var hourlyFuel = fuelConsumption * fuelPrice; var hourlyLube = hourlyFuel * (lubeFactor / 100); var hourlyRepairs = (purchasePrice * (repairFactor / 100)) / totalLifeHours; var totalOperating = hourlyFuel + hourlyLube + hourlyRepairs; // 3. Total var grandTotal = totalFixed + totalOperating + operatorWage; // Display Results var resultsArea = document.getElementById('resultsArea'); var breakdownOutput = document.getElementById('breakdownOutput'); var totalRateDisplay = document.getElementById('totalRate'); resultsArea.style.display = 'block'; var html = "; html += '
Fixed (Depreciation): $' + hourlyDepreciation.toFixed(2) + '/hr
'; html += '
Fixed (Int/Ins/Tax): $' + hourlyInterestIns.toFixed(2) + '/hr
'; html += '
Variable (Fuel): $' + hourlyFuel.toFixed(2) + '/hr
'; html += '
Variable (Lube/Filt): $' + hourlyLube.toFixed(2) + '/hr
'; html += '
Variable (Repairs): $' + hourlyRepairs.toFixed(2) + '/hr
'; html += '
Labor (Operator): $' + operatorWage.toFixed(2) + '/hr
'; breakdownOutput.innerHTML = html; totalRateDisplay.innerHTML = '$' + grandTotal.toFixed(2) + ' / hr'; // Scroll to results resultsArea.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); } #machine-rate-calculator-container input:focus { outline: none; border-color: #2c3e50 !important; box-shadow: 0 0 5px rgba(44, 62, 80, 0.2); } #machine-rate-calculator-container button:hover { background-color: #1a252f !important; } @media (max-width: 600px) { #machine-rate-calculator-container div[style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; } }

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