Ifta Calculator Online

IFTA Calculator: Estimate Your Fuel Tax Payments

This IFTA (International Fuel Tax Agreement) calculator helps trucking companies and owner-operators estimate quarterly fuel tax obligations across U.S. and Canadian jurisdictions.

How This IFTA Calculator Works

1. Input Trip Data

• Jurisdiction: Select the state/province where you're reporting.
• Miles Traveled: Enter total miles driven in the jurisdiction.
• MPG: Your truck's average fuel efficiency.

2. Enter Fuel Purchases

• Purchased In-State: Gallons bought in the reporting jurisdiction (no tax owed).
• Purchased Out-of-State: Gallons bought elsewhere (may owe tax difference).

3. Tax Rates

• State Tax Rate: Auto-filled when you select a jurisdiction (uses 2024 rates).
• Federal Tax Rate: Fixed at $0.184/gallon (2024 U.S. rate).

4. Results Show

• Fuel Consumed: Total gallons used (miles / MPG).
• Taxable Fuel: Fuel subject to IFTA tax (consumed - in-state purchases).
• IFTA Due: Estimated tax owed (taxable fuel × state rate).

Key Features

✅ Multi-State/Province Support: Works for all 50 U.S. states + Canadian provinces
✅ Real-Time Tax Rates: Auto-fills current fuel tax rates by jurisdiction
✅ Audit-Ready Calculations: Matches IFTA's required formulas
✅ Mobile-Friendly: Works on truck-stop laptops or smartphones

Example Calculation

Scenario:

• Jurisdiction: Texas (TX)
• Miles: 1,200
• MPG: 6.5
• Fuel Purchased in TX: 200 gal
• Fuel Purchased Elsewhere: 150 gal

Calculation:

1. Fuel Consumed = 1,200 miles / 6.5 MPG = 184.6 gal
2. Taxable Fuel = 184.6 - 200 = -15.4 gal (credit applies)
3. IFTA Due = -15.4 × $0.20 (TX rate) = -$3.08 credit

Why This Beats Spreadsheets

• No Manual Rate Lookups: Tax rates auto-populate.
• Avoids Common Errors: Handles credits (negative tax) correctly.
• Quarterly Reporting Ready: Repeat for each jurisdiction in your IFTA filing.