Delaware Gas Tax Calculator

The Delaware state gas tax is about 23.0¢/gallon. Calculate your total gas tax (state + federal) below.

Delaware Total Gas Tax Paid
$6.21
State Gas Tax Rate23.0¢/gal
State Tax Amount$0
Federal Tax Amount (18.4¢/gal)$0
Total Tax on This Purchase$0

What is the gas tax in Delaware?

The Delaware state gas tax is approximately 23.0 cents per gallon, which is below the rough national average of around 32 cents per gallon. The federal gas tax still adds a flat 18.4 cents per gallon on top, but overall drivers in Delaware pay less gas tax than the typical US driver.

How much gas tax will I pay in Delaware?

Use the calculator above to enter how many gallons you're purchasing and see the exact breakdown of Delaware 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.

People Also Search For

Delaware gas tax Delaware gas tax calculator what is the gas tax in Delaware Delaware gas tax rate Delaware gas tax per gallon Delaware gas tax 2026 Delaware state gas tax Delaware gas tax vs federal gas tax is Delaware gas tax high or low how much is gas tax in Delaware Delaware gas prices Delaware gas tax increase Delaware gas tax history Delaware fuel tax rate Delaware gas tax on a full tank Delaware gas tax 15 gallons Delaware gas tax breakdown Delaware gas tax vs other states why is gas expensive in Delaware why is gas cheap in Delaware Delaware gas tax revenue Delaware road funding gas tax Delaware gas tax law Delaware diesel tax rate Delaware ev fee vs gas tax moving to Delaware gas prices driving through Delaware gas cost Delaware road trip gas tax cost Delaware gas tax comparison Delaware gas tax rank total gas tax in Delaware Delaware gas tax holiday Delaware gas tax suspension Delaware gas tax by year Delaware state fuel tax Delaware gas tax calculator by gallon Delaware pump price tax breakdown Delaware gas tax facts Delaware gas tax FAQ Delaware gas tax explained gas tax Delaware vs national average Delaware highway fund gas tax Delaware gas tax legislation Delaware gas tax news Delaware cents per gallon tax Delaware gas tax rate 2025 vs 2026 lowest gas tax near Delaware highest gas tax near Delaware Delaware gas tax calculator online Delaware state fuel tax rate 2026

Frequently Asked Questions

What is the gas tax rate in Delaware?

The Delaware state gas tax is approximately 23.0 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 Delaware's gas tax above or below the national average?

Delaware's gas tax of about 23.0 cents per gallon is below the rough national average of around 32 cents per gallon, putting Delaware among the lower gas-tax states.

How much federal gas tax do I pay in Delaware?

The federal gas tax is a flat 18.4 cents per gallon in every state, including Delaware. This is added on top of Delaware's own state gas tax of about 23.0 cents per gallon.

How much tax will I pay on 15 gallons of gas in Delaware?

On 15 gallons in Delaware, you'd pay roughly $3.45 in state gas tax and $2.76 in federal gas tax, for a total of about $6.21. Adjust the gallons in the calculator above for your own fill-up.

Why do gas prices vary within Delaware?

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 Delaware, even though the state and federal tax rate stays the same everywhere.

Does Delaware'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 Delaware's department of transportation or revenue for the latest updates.

What is gas tax revenue used for in Delaware?

Gas tax revenue in Delaware, like most states, primarily funds road and bridge construction and maintenance, with some states also directing a portion toward public transit projects.