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MPG Calculator
Calculate miles per gallon from miles driven and fuel used. Compute trip cost, US gallon vs UK gallon conversion, and L/100km equivalent.
LIFESTYLECalculate miles per gallon from miles driven and fuel used. Compute trip cost, US gallon vs UK gallon conversion, and L/100km equivalent.
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
Disclaimer: Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
MPG Calculator
Miles Per Gallon = miles driven / gallons used. Computes cost per mile and L/100km equivalent.
Fuel Economy
30.00 MPG (US)
L/100 km7.84
MPG (UK / Imperial)36.03
Trip cost$35.00
Cost per mile$0.117
Frequently Asked Questions
What is the MPG Calculator for?
Calculate miles per gallon from miles driven and fuel used. Compute trip cost, US gallon vs UK gallon conversion, and L/100km equivalent.
How do I use the MPG Calculator?
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
How accurate are my mpg results?
Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Is the MPG Calculator free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.