IFTA Fuel Tax Calculator
Calculate fuel tax apportionment across jurisdictions for IFTA reporting.
Inputs
mi
gal
mi
¢/gal
gal
Results
Tax Owed (or Credit)
$151.62
≈ 10 movie tickets
Fleet MPG6.25 mpg
Taxable Gallons1,920 gal
Credit Gallons1,500 gal
Net Taxable Gallons420 gal
Effective Tax/Mile$0.01
Jurisdiction Share24%
Est. Total Liability$758.10
How to Use This Calculator
- Enter Total Miles driven across all IFTA jurisdictions for the quarter.
- Input Total Gallons Purchased fleet-wide during the quarter.
- Set Jurisdiction Miles for the specific state/province being calculated.
- Enter the Jurisdiction Tax Rate (¢/gal) and Gallons Purchased in that jurisdiction.
- Review Tax Owed (or Credit), Fleet MPG, Taxable Gallons, and Net Taxable Gallons for the filing.
How the result changes with Total Miles (All Jurisdictions)
| Total Miles (All Jurisdictions) | Tax Owed (or Credit) |
|---|---|
| 50,090 | $150.37 |
| 175,065 | -$343.54 |
| 325,035 | -$434.88 |
| 450,010 | -$464.49 |
What each input means
- Total Miles (All Jurisdictions)
- Total miles driven in the reporting quarter across all jurisdictions.
- Total Gallons Purchased
- Total fuel gallons purchased in the quarter.
- Jurisdiction Miles
- Miles driven in the specific jurisdiction being calculated.
- Tax Rate
- Fuel tax rate in cents per gallon for this jurisdiction.
- Gallons Purchased Here
- Fuel gallons purchased within this jurisdiction (tax credit).
- Number of Jurisdictions
- Total number of IFTA jurisdictions you operate in.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersTotal Miles (All Jurisdictions) = 50000, Total Gallons Purchased = 8000, Jurisdiction Miles = 12000, Tax Rate = 36.1 = 6 input(s) provided
- Calculate Tax OwedTax Owed151.62 = $151.62
- Calculate Fleet MPGFleet MPG6.25 = 6.25
- Calculate Taxable GallonsTaxable Gallons1920 = 1920
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