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Calculators · United States

Cost of Gas Calculator

Know what the road will cost before you go

Community votes
0
DR by Ahrefs
20 no change since last check

Ahrefs Domain Rating benchmarked 4 Nov 2026, rebuilt 4 Nov 2026.

Free calculator that estimates fuel costs for trips based on distance, vehicle fuel economy, and gas prices

What it is

Screenshot of the Cost of Gas Calculator homepage
gettripcost.com, as visitors see it

Cost of Gas Calculator helps drivers estimate fuel expenses before taking a trip. Enter your trip distance, vehicle's miles per gallon (or litres per 100 kilometres), and current fuel price to see total fuel cost, cost per mile, and cost per person. The calculator also includes optional fields for tolls and parking charges.

The tool provides reference tables showing fuel costs across common distances and fuel economies, and maintains state-by-state average gas price data updated approximately weekly. It supports both US customary units (miles and MPG) and metric units (kilometres and L/100km).

The calculator is free to use, requires no account creation, and processes inputs directly in your browser. Related tools include a trip cost calculator for additional expenses, a gas budget calculator for monthly planning, and a gas money calculator for splitting costs between passengers.

What it is built with

  • Calculate fuel cost by distance, MPG and gas price
  • Cost per mile and cost per person breakdown
  • Support for miles/MPG and kilometres/L100km units
  • Optional toll and parking adjustments
  • State-by-state gas price reference data
  • Gas cost lookup table by distance and fuel economy
  • Round trip distance option
  • Vehicle EPA fuel economy database search

Pricing

Pricing model: Free

Cost of Gas Calculator metrics

Benchmarks for gettripcost.com: Ahrefs Domain Rating and Majestic link data, with the change since the last build.
MetricValue
Domain Rating20 no change since last check
Trust Flow2 no change since last check
Citation Flow21 no change since last check
Referring domains8 no change since last check
External backlinks542 no change since last check

Ahrefs Domain Rating benchmarked 4 Nov 2026, rebuilt 4 Nov 2026. Main build topic: Computers/Software/Operating Systems (2). Majestic benchmarked 4 Nov 2026, rebuilt 4 Nov 2026. Link data built by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

Cost of Gas Calculator domain build sheet

Open the build sheet
Public RDAP record, last read 4 Nov 2026, 12:50 UTC.
Domain age9 days
Registered
Expires
RegistrarSpaceship, Inc.
DNSSECNot signed

Inspect gettripcost.com's registration

Cost of Gas Calculator after-launch build log

Since Cost of Gas Calculator launched on Maker Launches on 4 November 2026, these are the figures we have tracked.

Domain Rating (Ahrefs)
20
First measured 4 Nov 2026
Trust Flow (Majestic)
2
First measured 4 Nov 2026
Referring domains (Majestic)
8
First measured 4 Nov 2026

Day 0 since launch. Next receipt: day 30, 4 Dec 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.

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Questions from the bench

How much gas do I need for a 500 mile trip?
Divide 500 miles by your vehicle's MPG. At 25 MPG you need 20 gallons; at 30 MPG, 16.7 gallons; and at 35 MPG, 14.3 gallons. Using the U.S. regular gasoline average of $4.27 per gallon, those amounts cost about $85.40, $71.17 and $61.00 respectively.
How do I calculate gas cost per mile?
Divide the price per gallon by miles per gallon. Using the U.S. regular gasoline average of $4.27 per gallon and 28 MPG, fuel costs about $0.15 per mile.
Does this work with litres and kilometres?
Yes. Switch to metric units to enter distance in kilometres and fuel economy in litres per 100 kilometres. A higher MPG is better, while a lower L/100 km is better.
Does it include tolls and parking?
Fuel is calculated automatically. You can add a known toll or parking amount in optional adjustments to include it in the per-person and per-mile figures.
How do I split gas money between passengers?
Divide the amount to be shared by the number of people, including the driver. The default of 2 means one driver and one passenger.

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