IFTA Tax Rates in New Hampshire (2026)

Key numbers at a glance

IFTA tax rates in New Hampshire

The rates below are what your base state applies to New Hampshire miles when processing your quarterly IFTA return. Figures are as of Q4 2026 — confirm the current official IFTA matrix before filing, though New Hampshire's rate is among the most stable in the country.

Why so stable: the road toll — statute's name for the tax, and every cent goes to the state Highway Fund — sat at 18 cents from 1991 until a 2014 law raised it in steps to 22.2 cents effective July 1, 2014, its first increase in over two decades. Since then, no legislation has moved it, and New Hampshire governments have repeatedly resisted increase proposals. One nuance for cross-state comparisons: the Tax Foundation's July 2026 table shows an all-in New Hampshire figure of 23.75 cents because it adds roughly 1.5 cents of other state fees on fuel; the 22.2-cent road toll is the statutory rate your receipts and IFTA lines carry. New Hampshire levies no state sales tax at all, which — unlike its neighbors — removes a second layer of fuel-cost variance from the pump-price comparison entirely.

How New Hampshire IFTA affects your filings

Every gallon burned on New Hampshire roads is taxed at 22.2 cents whether the fuel was bought in Portsmouth, Billerica or Kittery. The math: New Hampshire miles ÷ fleet MPG × 22.2 cents. At 6.5 MPG, New Hampshire costs 3.42 cents per mile in fuel tax — 300 miles means 46.2 taxable gallons and $10.25 owed. A New England regional carrier running 6,000 New Hampshire miles a quarter at 6.5 MPG owes roughly $205 before pump credits.

The credit side rewards planning more than in most regions, because the rate band around New Hampshire is wide. New Hampshire fuel receipts carry 22.2 cents of prepaid tax — the lowest credit per gallon in New England — while Maine, Vermont and Massachusetts miles accrue at 27.6 to 33.0 cents. Translation: if you routinely run northern New England lanes, the state where you buy matters up to about 10 cents a gallon. Keep receipts matched to ELD or GPS distance records (the I-95 and I-93 corridors are audited heavily), recompute fleet MPG each quarter, and file on time even at zero net — late filings typically draw $50–$100 penalties plus interest, and repeated misses can suspend the license. Use the IFTA calculator to pre-check each quarter, and the fuel surcharge guide to recover the fuel cost itself from shippers.

Fueling strategy: New Hampshire versus its neighbors

New Hampshire is the cheap seat in New England — every neighbor charges more, most by a wide margin. Rates below are per gallon, per the Tax Foundation's July 2026 state table (New Hampshire shown as the 22.2-cent road toll above).

The play: fuel in New Hampshire before crossing every border — south into Massachusetts (5.4 cents more per diesel gallon), west into Vermont (10.8) or north into Maine (9.8). A carrier filling 200 gallons in New Hampshire instead of Vermont saves $21.60 in tax per stop, and those savings recur on every New England loop. The reverse leak is smaller than elsewhere but still real: running New Hampshire miles on Massachusetts diesel still leaves nothing extra due (you overpaid slightly), while running Maine or Vermont miles on New Hampshire fuel leaves 5–11 cents per gallon due at filing — plan tanks so the cheap gallons are burned on the cheap-tax miles. Track every state on the IFTA rates by state hub, confirm quarterly figures in the IFTA Clearinghouse rate matrix, and check the official program details on the New Hampshire road toll page.