New Jersey Gas Tax Calculator
The New Jersey state gas tax is about 42.3¢/gallon. Calculate your total gas tax (state + federal) below.
What is the gas tax in New Jersey?
The New Jersey state gas tax is approximately 42.3 cents per gallon, which is above the rough national average of around 32 cents per gallon. On top of that, the federal gas tax adds a flat 18.4 cents per gallon everywhere in the US, so drivers in New Jersey pay a combined rate on the higher end nationally.
How much gas tax will I pay in New Jersey?
Use the calculator above to enter how many gallons you're purchasing and see the exact breakdown of New Jersey state tax, federal tax, and total tax on that fill-up.
This is an approximate combined state gas tax rate for estimation purposes — actual rates change periodically and may include additional local taxes not reflected here.
Frequently Asked Questions
What is the gas tax rate in New Jersey?
The New Jersey state gas tax is approximately 42.3 cents per gallon. Combined with the federal gas tax of 18.4 cents per gallon, use the calculator above to see the total tax on your fill-up.
Is New Jersey's gas tax above or below the national average?
New Jersey's gas tax of about 42.3 cents per gallon is above the rough national average of around 32 cents per gallon, putting New Jersey among the higher gas-tax states.
How much federal gas tax do I pay in New Jersey?
The federal gas tax is a flat 18.4 cents per gallon in every state, including New Jersey. This is added on top of New Jersey's own state gas tax of about 42.3 cents per gallon.
How much tax will I pay on 15 gallons of gas in New Jersey?
On 15 gallons in New Jersey, you'd pay roughly $6.35 in state gas tax and $2.76 in federal gas tax, for a total of about $9.11. Adjust the gallons in the calculator above for your own fill-up.
Why do gas prices vary within New Jersey?
Beyond the state gas tax, local factors like distribution costs, competition among stations, and proximity to refineries or terminals can cause gas prices to vary from city to city within New Jersey, even though the state and federal tax rate stays the same everywhere.
Does New Jersey's gas tax change often?
It depends on state law — some states adjust their gas tax rate periodically based on inflation or fuel price formulas, while others require new legislation to change the rate. Check New Jersey's department of transportation or revenue for the latest updates.
What is gas tax revenue used for in New Jersey?
Gas tax revenue in New Jersey, like most states, primarily funds road and bridge construction and maintenance, with some states also directing a portion toward public transit projects.