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Last updated: May 2026 · Kentucky IFTA rates current for Q1–Q4 2026
Kentucky · 32.5¢/gal

Kentucky IFTA Calculator 2026 — Diesel Tax Rate & Filing

Kentucky diesel tax rate is 32.5¢ per gallon for 2026. Calculate your quarterly IFTA fuel tax liability for Kentucky routes.

Calculate Your Kentucky IFTA Tax

Kentucky IFTA Rates & Trucking Overview 2026

Louisville is one of the top 10 US freight markets, anchored by UPS Worldport — the largest automated package handling facility in the world — and a dense cluster of automotive plants (Ford, Toyota, GM suppliers). Kentucky's central location gives it same-day reach to 60% of the US population.

Major Kentucky Trucking Routes

I-75 (Lexington–Cincinnati–Tennessee), I-64 (Louisville–Lexington–Charleston WV), I-65 (Louisville–Bowling Green–Nashville), I-24 (Nashville–Hopkinsville–Illinois), I-71 (Louisville–Cincinnati)

Lexington is the horse capital of the world but also a significant distribution center on I-75/I-64. The Toyota plant in Georgetown and Ford's Louisville Assembly plants generate consistent parts and finished-vehicle freight.

Kentucky IFTA — Frequently Asked Questions

What is Kentucky's IFTA diesel tax rate in 2026?
Kentucky's diesel rate is approximately 32.5¢/gal for 2026. The rate is variable (indexed to wholesale diesel prices) but has remained in the 25–28¢ range.
Who administers IFTA for Kentucky-based carriers?
Kentucky IFTA is administered by the Kentucky Transportation Cabinet. File quarterly at transportation.ky.gov. Kentucky also requires a KYU (Kentucky Unified Carrier) number for vehicles over 60,000 lbs — separate from IFTA.
Does Kentucky have special truck taxes beyond IFTA?
Yes. Kentucky requires a KYU (Weight Distance Tax) for commercial vehicles over 59,999 lbs operating in Kentucky. This is a per-mile tax separate from IFTA fuel tax. Register and file at the Kentucky Transportation Cabinet.
Why is Louisville such an important freight hub?
Louisville sits at the I-64/I-65/I-71 interchange and is within a day's drive of 60% of the US population. UPS Worldport processes 2+ million packages per night. The city also hosts major automotive, bourbon, and healthcare distribution operations.
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Kentucky Quick Reference

Kentucky diesel tax 2026→32.5¢/gal

Need full IFTA across all 48 states? Use the IFTA Fuel Tax Calculator.

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