Calculating Mileage Reimbursement Rate

Mileage Reimbursement Calculator

2024 IRS Standard Rate is $0.67 per mile.

Calculation Summary

Total Amount: $0.00


How to Calculate Mileage Reimbursement

Calculating your mileage reimbursement is essential for employees and business owners to ensure accurate tax deductions and fair compensation for vehicle wear and tear. The standard formula is straightforward:

Total Miles Driven × Reimbursement Rate = Total Reimbursement

IRS Standard Mileage Rates for 2024

Every year, the IRS adjusts the standard mileage rates based on the costs of operating a vehicle (gas, insurance, depreciation). For 2024, the rates are:

  • Business: 67 cents per mile driven for business use.
  • Medical/Moving: 21 cents per mile (for qualified active-duty members of the Armed Forces).
  • Charitable: 14 cents per mile in service of charitable organizations.

Example Calculation

If you drove 450 miles for a business trip in 2024, your calculation would look like this:

  • Miles: 450
  • Rate: $0.67
  • Math: 450 × 0.67 = $301.50
  • Total Reimbursement: $301.50

Fixed vs. Variable Costs in Mileage Rates

Why is the rate so much higher than just the price of gasoline? The rate is designed to cover two types of expenses:

  1. Variable Costs: Fuel, oil changes, tire replacements, and routine maintenance.
  2. Fixed Costs: Insurance, registration fees, and the largest factor—depreciation (the loss of value in your vehicle as you add miles).

Record Keeping Tips

To qualify for these reimbursements or tax deductions, the IRS requires meticulous record-keeping. Your mileage log should include:

  • The date of the trip.
  • The starting point and destination.
  • The business purpose of the trip.
  • The total miles driven (odometer readings are preferred).
function calculateMileageReimbursement() { var miles = document.getElementById("totalMiles").value; var rate = document.getElementById("reimbursementRate").value; var resultDiv = document.getElementById("reimbursementResult"); var amountSpan = document.getElementById("totalAmountResult"); var breakdownP = document.getElementById("calculationBreakdown"); if (miles === "" || miles <= 0) { alert("Please enter a valid number of miles."); return; } if (rate === "" || rate <= 0) { alert("Please enter a valid reimbursement rate."); return; } var totalMiles = parseFloat(miles); var ratePerMile = parseFloat(rate); var totalReimbursement = totalMiles * ratePerMile; // Format results var formattedTotal = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD' }).format(totalReimbursement); var formattedRate = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD', minimumFractionDigits: 3 }).format(ratePerMile); // Display values amountSpan.innerText = formattedTotal; breakdownP.innerText = "Calculation: " + totalMiles.toLocaleString() + " miles @ " + formattedRate + " per mile."; // Show the result box resultDiv.style.display = "block"; resultDiv.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

Leave a Comment