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UK todayPetrol174.9pDiesel199.9p6,537 forecourtsUS this weekRegular$4.47Diesel$6.38EIA average

Gas prices in New Hampshire

Regular gas costs an average of $4.37 a gallon in New Hampshire, and diesel $6.51, based on the New England regional figure for the week of September 28, 2026. That's 10 cents below the national average.

EIA doesn't publish a separate average for New Hampshire, so this is the New England average, which covers New Hampshire. Prices at individual stations vary.

FuelNew HampshireU.S. average
Regular$4.37$4.47
Diesel$6.51$6.38

What gas costs in New Hampshire

Filling a 15-gallon tank with regular costs about $65.55. A 300-mile road trip in a car that gets 25 mpg uses 12 gallons, which comes to about $52.44.

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Frequently asked questions

How much is gas in New Hampshire right now?

Regular gas averages $4.37 a gallon based on the New England regional figure for the week of September 28, 2026.

How much is diesel in New Hampshire?

Diesel averages $6.51 a gallon based on the New England figure.

How much does it cost to fill up in New Hampshire?

A 15-gallon tank of regular costs about $65.55 at the average price.

Where do these prices come from?

The U.S. Energy Information Administration surveys retail gas stations every week and publishes averages for the nation, regions and nine states every Monday.

Gas prices in New England over time

Since 6 October 2025, the typical price of regular gas has risen by 136 cents.

$2.34$3.49$4.65$5.81$6.96NovJanMarMayJulSept
RegularDiesel

Weekly averages from the U.S. Energy Information Administration. See national price history.

Gas prices in other states