Automotive

Automotive & Fuel Calculators

Calculate gas mileage, road trip fuel costs, MPG efficiency, and tire size conversions with free online automotive tools.

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Instant ResultsCalculates in real-time as you type.

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100% AccurateIndustry-verified formulas and standards.

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All Automotive & Fuel Calculators

Calculate your vehicle’s true fuel economy in miles per gallon (MPG) using the accurate tank-to-tank fill-up method. Note that 1 US gallon equals 3.78

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Gas Mileage Calculator

Evaluate your vehicle’s trip gas mileage and compare real-world performance against manufacturer and EPA window sticker ratings. Note that US gallons

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Fuel Cost Calculator

Calculate the total cost to fill your vehicle’s gas tank and determine your exact cost per mile and cost per 100 miles driven. Note that US gallons (3

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Trip Gas Cost Calculator

Estimate total fuel expenses for road trips and vacations, and calculate equal splits per passenger. Calculations account for one-way or round-trip di

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Fuel Consumption Calculator

Calculate your vehicle’s metric fuel consumption in litres per 100 kilometres (L/100 km) and cross-convert between km/L, US MPG, and UK imperial MPG.

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Mileage Calculator

Project your total annual mileage, monthly driving distance, and yearly fuel budget based on daily commute or weekly routines. This calculator helps d

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