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    Gallon (US)/100mi to Liter/Kilometer Converter

    Convert Gallon (US)/100mi (gal/100mi) to Liter/Kilometer (L/km) instantly. 1 gal/100mi = 0.004251 L/km.

    Fuel Economy Converter

    11 units available

    Decimals:
    0.004251

    1 gal/100mi = 0.004251 L/km

    Formula:

    L/km = gal/100mi × 0.0042514371

    With your value: 1 gal/100mi = 0.00425144 L/km

    Other Gallon (US)/100mi to Liter/Kilometer conversions

    2 gal/100mi to L/km3 gal/100mi to L/km4 gal/100mi to L/km5 gal/100mi to L/km6 gal/100mi to L/km7 gal/100mi to L/km8 gal/100mi to L/km

    Gallon (US)/100mi to Liter/Kilometer Conversion Table

    Gallon (US)/100mi (gal/100mi)Liter/Kilometer (L/km)
    0.50.002126
    10.004251
    20.008503
    50.021257
    100.042514
    150.063772
    200.085029
    250.106286
    500.212572
    1000.425144
    2501.062859
    5002.125719
    10004.251437

    Liter/Kilometer to Gallon (US)/100mi Conversion Table

    Liter/Kilometer (L/km)Gallon (US)/100mi (gal/100mi)
    0.5117.607292
    1235.214583
    2470.429166
    51,176.072915
    102,352.14583
    153,528.218745
    204,704.29166
    255,880.364575
    5011,760.72915
    10023,521.4583
    25058,803.64575
    500117,607.2915
    1000235,214.583

    Where these values come from

    Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

    Gallon (US)/100mi (gal/100mi)

    Fuel Economy

    Exact conversion

    Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.

    Source: NIST Special Publication 811, Guide for the Use of the International System of Units

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    Liter/Kilometer (L/km)

    Fuel Economy

    Exact conversion

    Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.

    Source: NIST Special Publication 811, Guide for the Use of the International System of Units

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    How to Convert Gallon (US)/100mi to Liter/Kilometer

    To convert from Gallon (US)/100mi (gal/100mi) to Liter/Kilometer (L/km), multiply the value by 0.0042514371.

    Formula: L/km = gal/100mi × 0.0042514371

    Reverse: gal/100mi = L/km × 235.214583

    Step-by-Step Example

    1. Start with your value in Gallon (US)/100mi. For example: 5 gal/100mi
    2. Multiply by the conversion factor: 5 x 0.0042514371
    3. The result is: 0.021257 L/km

    About Gallon (US)/100mi

    The gallon (us)/100mi (gal/100mi) is a unit of fuel economy. The gallon (us)/100mi scale is offset from the kilometre per litre scale, so converting it requires both a factor and an offset rather than a single multiplier. UnitConvertLab converts it against every other fuel economy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    Common uses: fuel economy calculations, engineering and science, education.

    About Liter/Kilometer

    The liter/kilometer (L/km) is a unit of fuel economy. The liter/kilometer scale is offset from the kilometre per litre scale, so converting it requires both a factor and an offset rather than a single multiplier. UnitConvertLab converts it against every other fuel economy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    Common uses: fuel economy calculations, engineering and science, education.

    Frequently Asked Questions

    How many Liter/Kilometer are in 1 Gallon (US)/100mi?

    There are exactly 0.0042514371 Liter/Kilometer in 1 Gallon (US)/100mi. This means the conversion factor from Gallon (US)/100mi to Liter/Kilometer is 0.0042514371.

    What is the formula to convert Gallon (US)/100mi to Liter/Kilometer?

    The formula to convert Gallon (US)/100mi to Liter/Kilometer is: L/km = gal/100mi × 0.0042514371. For example, to convert 10 Gallon (US)/100mi to Liter/Kilometer, you would multiply 10 by 0.0042514371.

    What is a Gallon (US)/100mi?

    The gallon (us)/100mi (gal/100mi) is a unit of fuel economy. The gallon (us)/100mi scale is offset from the kilometre per litre scale, so converting it requires both a factor and an offset rather than a single multiplier. UnitConvertLab converts it against every other fuel economy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What is a Liter/Kilometer?

    The liter/kilometer (L/km) is a unit of fuel economy. The liter/kilometer scale is offset from the kilometre per litre scale, so converting it requires both a factor and an offset rather than a single multiplier. UnitConvertLab converts it against every other fuel economy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What are the common uses of Gallon (US)/100mi?

    The Gallon (US)/100mi is commonly used in fuel economy calculations, engineering and science, education.

    Related Fuel Economy Conversions

    Kilometer/Liter → Liter/KilometerLiter/100km → Liter/KilometerMiles/Gallon (US) → Liter/KilometerMiles/Gallon (UK) → Liter/KilometerMile/Liter → Liter/KilometerGallon (US)/100mi → Kilometer/LiterGallon (US)/100mi → Liter/100kmGallon (US)/100mi → Miles/Gallon (US)Gallon (US)/100mi → Miles/Gallon (UK)

    Cite this page

    UnitConvertLab. (2026). Gallon (US)/100mi to Liter/Kilometer converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gallon_per_100mi_us-to-liter_per_km