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IFTA Calculator

Estimate quarterly IFTA fuel tax liability by jurisdiction based on miles driven and fuel purchased. Calculates instantly in your browser. Nothing is sent to a server or saved.

Jurisdictions

Enter each jurisdiction's own current tax rate per gallon. Rates change quarterly, so use your IFTA rate sheet.

Results

Enter your quarterly totals and at least one jurisdiction to see your tax liability.

Estimate only, not tax advice. File using your actual IFTA quarterly return and current rate schedule.