body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.6;
color: #333;
margin: 0;
padding: 0;
}
.calculator-container {
max-width: 800px;
margin: 40px auto;
padding: 20px;
background-color: #f9f9f9;
border: 1px solid #e0e0e0;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.calc-header {
text-align: center;
margin-bottom: 30px;
}
.calc-header h2 {
color: #2c3e50;
margin-bottom: 10px;
}
.form-group {
margin-bottom: 20px;
display: flex;
flex-direction: column;
}
.form-group label {
font-weight: 600;
margin-bottom: 5px;
color: #555;
}
.form-group input, .form-group select {
padding: 12px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
}
.input-row {
display: flex;
gap: 20px;
flex-wrap: wrap;
}
.input-col {
flex: 1;
min-width: 250px;
}
.calc-btn {
width: 100%;
padding: 15px;
background-color: #2980b9;
color: white;
border: none;
border-radius: 4px;
font-size: 18px;
font-weight: bold;
cursor: pointer;
transition: background 0.3s;
}
.calc-btn:hover {
background-color: #1f618d;
}
.results-section {
margin-top: 30px;
background-color: #fff;
padding: 20px;
border-radius: 4px;
border: 1px solid #ddd;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
padding: 10px 0;
border-bottom: 1px solid #eee;
}
.result-row:last-child {
border-bottom: none;
font-weight: bold;
font-size: 1.2em;
color: #27ae60;
}
.rate-info {
font-size: 0.85em;
color: #7f8c8d;
margin-top: 5px;
}
.article-content {
max-width: 800px;
margin: 40px auto;
padding: 0 20px;
}
.article-content h2 {
color: #2c3e50;
margin-top: 30px;
}
.article-content p {
margin-bottom: 15px;
}
.article-content ul {
margin-bottom: 20px;
}
.article-content li {
margin-bottom: 10px;
}
.highlight-box {
background-color: #e8f6f3;
border-left: 5px solid #1abc9c;
padding: 15px;
margin: 20px 0;
}
function calculateMileage() {
// IRS 2024 Rates
var rateBusiness = 0.67;
var rateMedical = 0.21;
var rateCharity = 0.14;
// Get Input Values
var businessMiles = parseFloat(document.getElementById('businessMiles').value);
var medicalMiles = parseFloat(document.getElementById('medicalMiles').value);
var charityMiles = parseFloat(document.getElementById('charityMiles').value);
var parkingTolls = parseFloat(document.getElementById('parkingTolls').value);
// Validate Inputs (treat NaN as 0)
if (isNaN(businessMiles)) businessMiles = 0;
if (isNaN(medicalMiles)) medicalMiles = 0;
if (isNaN(charityMiles)) charityMiles = 0;
if (isNaN(parkingTolls)) parkingTolls = 0;
// Calculations
var dedBusiness = businessMiles * rateBusiness;
var dedMedical = medicalMiles * rateMedical;
var dedCharity = charityMiles * rateCharity;
var totalDeduction = dedBusiness + dedMedical + dedCharity + parkingTolls;
// Update UI
document.getElementById('resBusiness').innerText = '$' + dedBusiness.toFixed(2);
document.getElementById('resMedical').innerText = '$' + dedMedical.toFixed(2);
document.getElementById('resCharity').innerText = '$' + dedCharity.toFixed(2);
document.getElementById('resTolls').innerText = '$' + parkingTolls.toFixed(2);
document.getElementById('resTotal').innerText = '$' + totalDeduction.toFixed(2);
// Show Results Container
document.getElementById('results').style.display = 'block';
}
Understanding the 2024 National Standard Mileage Rates
Navigating tax deductions for vehicle use is a critical aspect of financial planning for freelancers, small business owners, and employees who are not reimbursed for their travel expenses. The IRS announced the standard mileage rates for 2024, which are used to calculate the deductible costs of operating an automobile for business, charitable, medical, or moving purposes.
Key 2024 Rates at a Glance
- Business: 67 cents per mile (up 1.5 cents from 2023).
- Medical & Qualified Moving: 21 cents per mile (down 1 cent from 2023).
- Charitable Organizations: 14 cents per mile (set by statute and unchanged).
How the 2024 Calculator Works
This calculator simplifies the process of estimating your tax write-off. By entering the number of miles driven for specific categories, the tool applies the official IRS multipliers to determine your total potential deduction.
For example, if you drove 1,000 miles for business in 2024, your calculation would be:
1,000 miles × $0.67 = $670.00 deduction.
Additionally, while the standard mileage rate covers costs like gas, insurance, and wear-and-tear, it does not cover parking fees and tolls. These can usually be deducted separately, which is why our calculator includes a specific field for these expenses.
Business Mileage vs. Actual Expenses
Taxpayers generally have the option to use the standard mileage rate or to deduct actual vehicle expenses. The actual expense method requires you to track every cost associated with the vehicle, including:
- Gas and oil
- Depreciation
- Insurance
- Repairs and tires
- License and registration fees
For many, the standard mileage rate is preferable because it requires less detailed record-keeping regarding receipts, though you must still maintain a log of your miles, dates, and the business purpose of each trip.
Who Qualifies for Moving Expenses?
It is important to note that under current tax law (Suspension of exclusion for qualified moving expense reimbursements), the deduction for moving expenses is available only to members of the Armed Forces on active duty who move pursuant to a military order and incident to a permanent change of station.
Record Keeping Best Practices
To survive an IRS audit, estimates are not enough. You must keep a timely log. A compliant mileage log should include:
- The date of the trip.
- The starting and ending location.
- The business purpose of the trip.
- The total miles driven.
- The odometer reading at the start and end of the year.
Use the calculator above throughout the year to track your estimated savings and ensure you are prepared when tax season arrives.