Calculate quarterly IFTA fuel tax obligations across all US states and Canadian provinces.
Important: IFTA tax rates change quarterly. Always verify current rates with your state's IFTA administrator before filing. Pre-filled rates are estimates only.
| Jurisdiction | Miles Traveled | Gallons Purchased | Tax Rate ($/gal) | |
|---|---|---|---|---|
Plan fuel stops, optimize fill strategy, and estimate DEF costs for your trip.
Know your exact CPM — fixed, variable, and break-even rate.
Instantly know if a load is worth taking — ACCEPT, NEGOTIATE, or REJECT based on true profit.
Have questions about using our ifta tax calculator? All our tools are free to use with no registration required. Save your inputs locally and come back anytime.