Calculate your quarterly fuel tax in minutes. Enter miles and fuel by state to see exactly what you owe or are owed.
Enter miles and fuel for each state:
The International Fuel Tax Agreement (IFTA) simplifies fuel tax reporting for commercial vehicles operating across multiple jurisdictions.
Record miles driven in each state/province during the quarter.
Track gallons purchased in each state to calculate fuel credits.
Net tax = (miles ÷ MPG × tax rate) - fuel tax credits already paid.
Current diesel fuel tax rates effective Q1 2026.
| State | Tax Rate ($/gal) | State | Tax Rate ($/gal) |
|---|
Source: IFTA, Inc.
Stop calculating IFTA manually. FleetCollect tracks your miles by state automatically using GPS, logs fuel purchases, and generates quarterly reports in one click.