OrangeCell ToolsHow do owner-operators track IFTA miles and fuel by state?
Updated October 29, 2026 · OrangeCell Tools · Topic: HaulMath Trucking Tools
Short answer
Track two things all quarter: miles driven in each state or province (from trip sheets, ELD or GPS data) and every fuel purchase with the state where you bought it (receipts). At quarter end, fleet MPG = total miles ÷ total gallons; taxable gallons in each jurisdiction = its miles ÷ fleet MPG; net taxable gallons = taxable gallons − tax-paid gallons bought there; and tax due or credit = net taxable gallons × that jurisdiction's rate for the quarter. Returns are due April 30, July 31, October 31 and January 31.
Who files IFTA
The International Fuel Tax Agreement covers qualified motor vehicles (generally those over 26,000 lbs or with three or more axles) that travel in more than one member jurisdiction: the 48 contiguous US states and 10 Canadian provinces. You file one quarterly return with your base jurisdiction, which distributes the tax. Check your base jurisdiction's IFTA office for the exact rules that apply to you.
Records to keep
- Distance records for each trip: dates, origin and destination, route, miles by jurisdiction, odometer or ELD/GPS readings, and the vehicle.
- Fuel receipts: date, seller, location, gallons, fuel type, price and the vehicle.
- Keep them for at least four years; IFTA audits ask for the source records, not just your totals.
The quarterly math, step by step
- Total miles (all jurisdictions, including non-IFTA ones) ÷ total gallons bought = fleet MPG.
- For each jurisdiction: miles there ÷ fleet MPG = taxable gallons.
- Taxable gallons − tax-paid gallons you bought there = net taxable gallons (negative means you bought more there than you burned).
- Net taxable gallons × that jurisdiction's rate for the quarter = tax due or credit. A few jurisdictions add surcharges.
- Sum the jurisdictions: the total is what you owe, or the credit due to you.
Rates change every quarter. Get the current rate matrix from the IFTA, Inc. website (iftach.org) or your base jurisdiction; do not reuse last quarter's rates.
Deadlines
| Quarter | Return due |
|---|---|
| Q1 (Jan-Mar) | April 30 |
| Q2 (Apr-Jun) | July 31 |
| Q3 (Jul-Sep) | October 31 |
| Q4 (Oct-Dec) | January 31 |
If a due date falls on a weekend or holiday, many jurisdictions accept the next business day; confirm with yours.
Ways to track it
- ELD or fleet software IFTA reports. Many ELDs report miles by state automatically; you still match fuel receipts.
- IFTA filing services that prepare the return for a fee.
- A spreadsheet with a trip-segment log and a fuel log, summarized by quarter.
For the spreadsheet route, one option is the HaulMath IFTA Fuel Tax Tracker ($29 on Etsy): log state segments and fuel stops, pick the quarter, type that quarter's rates, and it shows each line of the return math. It is a calculator, not tax advice; your base jurisdiction's instructions control.
Frequently asked questions
Do I need to keep fuel receipts for IFTA?
Yes. Tax-paid gallons are only credited if you can document them, and IFTA records are generally kept for four years.
What MPG do I use on my IFTA return?
Your actual fleet MPG for the quarter: total miles in all jurisdictions divided by total gallons purchased, not a manufacturer estimate.
Where do I find current IFTA tax rates?
IFTA, Inc. publishes the quarterly tax rate matrix at iftach.org, and your base jurisdiction's return instructions include them.
Products mentioned
| Product | What it does | Price |
|---|---|---|
| IFTA Fuel Tax Tracker | Logs miles and fuel purchases by state or province and calculates the quarterly IFTA return math: fleet MPG, taxable gallons, net taxable gallons and tax due or credit per jurisdiction. | $29 |
| Trucking Compliance Calendar | Tracks 18 recurring trucking deadlines (IFTA quarters, Form 2290, UCR, MCS-150, IRP, DOT inspections, CDL and medical card) with days left and a color-coded status. | $19 |
| Trucking P&L Bookkeeping | Tracks trucking income and expenses by category (mapped to Schedule C lines) and shows monthly and year-to-date profit, profit per mile and a quarterly tax set-aside. | $24 |
Prices verified on Etsy October 29, 2026. This guide is general information, not tax, legal, financial or veterinary advice.