New Jersey Gas Tax Calculator

2026

New Jersey charges 49.16¢ a gallon in state tax on gasoline and 56.16¢ on diesel in 2026, on top of the federal 18.4¢ and 24.4¢: 67.56¢ and 80.56¢ a gallon in all. Estimate your fuel costs.

By Konstantin Iakovlev · Updated October 19, 2026 · Methodology

miles
MPG
$/gal
Trip Type

Fuel Needed

1.0 gal

Trip Cost

$4.33

Annual Cost

$1,125.80

Fuel Cost Breakdown

Total Distance30.0 miles
Fuel Needed1.00 gallons
One-Way Cost$4.33
Trip Cost$4.33
Weekly Cost$21.65
Monthly Cost$93.82
Annual Cost$1,125.80

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

New Jersey Gas Tax Overview

New Jersey’s state tax on gasoline is 49.16¢ a gallon and 56.16¢ on diesel, the rate in force since January 1, 2026. That is the 6th-highest state gasoline tax of the 50 states and DC. Motor fuels tax fixed; the gross receipts tax rate is recalculated each January 1 under a statutory formula.

With the federal 18.4¢, a gallon of gasoline carries 67.56¢ of per-gallon tax, so a 15-gallon fill-up includes about $10.13 of fuel tax whatever the pump price.

The rate is due to be reset on January 1, 2027; the new figure is not published yet.

New Jersey Fuel Taxes (2026)

State Gasoline Tax 49.16¢/gal
State Diesel Tax 56.16¢/gal
Federal Excise Tax 18.4¢ gasoline / 24.4¢ diesel
Total per Gallon 67.56¢ gasoline / 80.56¢ diesel
How the State Rate Is Built Gasoline: 10.5¢ motor fuels tax + 38.6¢ petroleum products gross receipts tax + a small oil-spill tax. Diesel: 13.5¢ motor fuels tax + 42.6¢ gross receipts tax + the same oil-spill tax.
Next Change January 1, 2027: new rate not yet published

Official Sources:

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