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Guide
Freelance interpreter mileage log template: what to track
A simple, honest checklist for keeping a mileage log you can trust, whether you use paper, a notes app or a spreadsheet.
Why keep a separate mileage log at all
Freelance interpreting often means several short trips a week: a clinic in the morning, a courthouse after lunch, a school meeting on the way home. Each trip is easy to forget by Friday. A running log fixes that, and it gives you one place to pull miles from when you bill clients who reimburse travel and when you hand your records to a tax preparer.
The log does not need to be clever. It needs to be filled in consistently, close to the time of the trip, with the same columns every time.
The columns worth having
| Column | What goes in it | Why it helps |
|---|---|---|
| Date | The day of the trip | Lets you total by month, quarter or year |
| Client or agency | Who the trip was for | Matches travel to the invoice it belongs on |
| Start and destination | Place names or short addresses (no patient or client names) | Shows where the trip went without exposing anyone |
| Purpose | For example “assignment, in person” or “parking and return” | Makes the reason for the trip obvious later |
| Odometer start / end | Readings from the car | Gives an easy way to double-check your miles |
| Miles | End minus start, or a typed trip distance | The number you total |
| Billed to client? | Yes / No | Separates miles you charge from miles you only record |
Keep “miles you bill a client” separate from “miles you drove.” Many agencies reimburse only some travel, for example beyond a certain distance from your home or a set number of miles, and their policy is in your agreement. Your own log should still show every business trip.
Habits that keep the log accurate
- Log the same day. Take a photo of the odometer at the start and end of a work day if you are likely to forget.
- One row per leg or per day, but pick one. Mixing styles makes totals hard to trust.
- Use job reference numbers. Interpreting is confidential work. Never write a patient’s or party’s name in a spreadsheet you might email or store in the cloud.
- Choose a per-mile rate in one place. If your log multiplies miles by a rate, keep the rate in a single cell so you can change it once. Which rate is right for you is a question for your tax preparer or the client’s agreement, not for a template.
- Review monthly. Five minutes at month-end catches missing days while you can still remember them.
What tax offices generally want to see
Tax agencies typically look for records that show the date, the miles, and the business purpose of each trip, and they expect those records to be reasonably contemporaneous. Rules differ by country and by how you file, and they change. The IRS publishes its own guidance in its standard mileage rates page. Read what applies to you, or ask a tax professional. We do not give tax advice and this page is not a substitute for it.
Paper, notes app or spreadsheet?
A paper notebook in the glovebox works if you will really use it. A phone notes app is faster but harder to total. A spreadsheet is the easiest to sort, total by month and share with a preparer, and it can add up miles and multiply by your chosen rate for you.
A starting point
We built a free tracker for freelance interpreters. Each assignment row has a miles field and a parking field, and the totals page shows monthly mileage and earnings alongside paid and unpaid amounts. The full Interpreter Business Kit adds a dedicated Mileage tab (odometer readings or typed miles, one editable per-mile rate that you choose) and a Summary tab with monthly and quarterly totals. We tested both files in Google Sheets and LibreOffice. Both come with sample data you clear before you start.
If you would rather build your own, the table above is a complete column list. Copy it into any spreadsheet and you are most of the way there.
Start with the free sheet.
The free Interpreter Earnings & Mileage Tracker logs assignments, miles and paid/unpaid totals in Excel or Google Sheets. Want invoices, expenses and a summary too? The full kit is $15, one time.