.jpg)
If you drive for work, keeping an accurate mileage log is one of the easiest ways to stay organized throughout the year.
Whether you're self-employed and tracking deductible business miles, or an employee participating in a mileage reimbursement program, good records can help support tax compliance and reimbursement accuracy.
To make mileage tracking easier, we've created a free Google Sheets mileage log spreadsheet that you can copy and customize.
It includes the information typically needed to document business travel and can help you maintain consistent records from your first trip of the year through tax season.
Download the free mileage log spreadsheet below and make a copy to get started.
What Is a Mileage Log?
A mileage log is a record of every business trip you take in your personal vehicle.
Whether you use a spreadsheet or an app, mileage tracking helps you document your business driving and maintain accurate records throughout the year.
The IRS requires taxpayers claiming business mileage deductions to keep accurate records, and many employers also require mileage logs to support tax-free reimbursements under an accountable plan.
A complete mileage log should include the date of travel, where you started and ended your trip, the business purpose of the drive, and the total business miles traveled.
Many people also record beginning and ending odometer readings for additional documentation.
Consistent mileage tracking makes tax season and reimbursement requests much easier.
Recording trips as they happen is far more accurate than trying to reconstruct months of business driving after the fact.
Who Should Use a Mileage Log?
Mileage logs aren't just for one type of driver. They're useful for anyone who uses a personal vehicle for business purposes.
If you're self-employed, a mileage log can help support eligible business mileage deductions. If you're an employee, your company may require mileage records before issuing tax-free reimbursements.
Businesses also rely on mileage logs to verify employee travel and administer reimbursement programs consistently.
It's worth noting that, under current federal tax law, most W-2 employees cannot deduct unreimbursed business mileage on their personal tax returns.
However, many employers still require mileage documentation to reimburse employees accurately and remain IRS compliant.
Download Our Free Mileage Log Spreadsheet
Cardata’s free Google Sheets template provides a simple way to organize your business mileage throughout the year.
Just make your own copy, enter your trips as they happen, and let the spreadsheet keep your records organized.
The template includes fields for the travel date, origin and destination, business purpose, odometer readings, total miles, and additional notes. It also includes a Read Me tab with instructions for getting started.
(highlight)
To download the free mileage log spreadsheet, make a copy of this file:
→ Download: Free Mileage Log Spreadsheet
(highlight)
How to Use the Spreadsheet
Setting up the mileage log only takes a few minutes. Once you've made your own copy, record each business trip as soon as possible after it's completed.
This helps ensure your records remain accurate and reduces the chances of forgetting important details later.
Throughout the year, review your entries regularly to confirm they're complete.
Maintaining your mileage log consistently is much easier than trying to reconstruct an entire year's worth of business driving.
Tips for Keeping an IRS-Compliant Mileage Log
The quality of your mileage log matters just as much as keeping one.
Accurate, consistent records are easier to maintain throughout the year and can help support business mileage deductions or employer reimbursements if questions arise later.
Record each trip as close to the time of travel as possible.
Waiting until the end of the week or month to reconstruct your driving increases the likelihood of forgotten trips or inaccurate mileage. A habit of logging trips immediately helps ensure your records remain complete.
It's also important to separate business use and personal driving.
Generally, commuting between your home and your regular workplace isn't considered business mileage, while travel between job sites, client meetings, or temporary work locations often is.
Keeping these trips distinct makes your records clearer and easier to review.
Be specific when describing the purpose of each trip. Rather than writing "work," include enough detail to explain why the travel was business-related.
For example, "client meeting," "equipment delivery," "sales appointment," or "site inspection" provides much stronger documentation than a generic description.
Finally, keep any supporting documentation that relates to your business travel.
Calendar appointments, invoices, work orders, receipts, and expense reports can help corroborate your mileage log if you ever need to verify a trip.
While the mileage log itself should serve as your primary record, maintaining supporting documents alongside it creates a more complete record of your business travel.
The goal isn't simply to record miles. It's to create a consistent, organized record that accurately reflects your business driving throughout the year.
(highlight)
To download and use the free mileage log spreadsheet, start by making a copy of this file:
→ Download: Free Mileage Log Spreadsheet
(highlight)
Is a Spreadsheet Better Than a Mileage Tracking App?
A spreadsheet is an excellent option if you only record occasional business trips and want a free, straightforward way to organize your mileage.
It gives you complete control over your records and works well for many self-employed professionals and small businesses.
But manual spreadsheets do require discipline. Every trip has to be entered by hand, which makes it easier to forget drives or introduce errors over time.
Mileage tracking apps automate a lot of this process by recording trips with GPS technology, reducing manual work and improving consistency.
For individuals or organizations with frequent business driving, automation can significantly reduce administrative effort while creating more complete mileage records.
Managing mileage for an entire team? Manual spreadsheets work well for occasional business driving, but organizations with field employees often benefit from automated mileage capture and reimbursement software.
Learn how Cardata helps companies simplify mileage tracking.
Talk to Cardata
