FREE ONLINE CALCULATOR

Road Trip Gas Calculator

Estimate gas used and total fuel spending for a trip based on miles driven, vehicle MPG and gasoline price.

✓ Instant results ✓ Editable inputs ✓ Formula explained

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AUTOMOTIVE · TOOLS

ROAD READY Practical inputs · Clear cost estimates

CALCULATION TOOL

Road Trip Gas Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

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AAPL Apple Inc. NVDA NVIDIA Corporation MSFT Microsoft Corporation AMZN Amazon.com, Inc. GOOGL Alphabet Inc. AMD Advanced Micro Devices, Inc. TSLA Tesla, Inc. META Meta Platforms, Inc. PLTR Palantir Technologies Inc. SOFI SoFi Technologies, Inc. INTC Intel Corporation NFLX Netflix, Inc. AAL American Airlines Group, Inc. AAOI Applied Optoelectronics, Inc. AAON AAON, Inc. AARD Aardvark Therapeutics, Inc. ABAT American Battery Technology Company ABCL AbCellera Biologics Inc. ABEO Abeona Therapeutics Inc. ABLV Able View Global Inc. ABNB Airbnb, Inc. ABOS Acumen Pharmaceuticals, Inc. ABSI Absci Corporation ABTC American Bitcoin Corp.

Company names and symbols are taken from a Nasdaq listing snapshot. Stock prices, dividends, and live financial data are not supplied by this calculator.

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HOW IT WORKS

The calculation

Estimated gallons = miles ÷ MPG. Fuel cost = gallons × gas price per gallon.

Read the full guide →

ASSUMPTIONS

Know the limitations

Your actual fuel economy may vary with driving speed, load, weather, terrain and traffic. All prices are user-entered, not live quotes.

Results are estimates derived from your inputs.

ABOUT THIS TOOL

When to use a road trip gas calculator

Budget fuel for an upcoming drive.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.