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

    Convert Gallon (US)/100mi (gal/100mi) to Liter/100km (L/100km) instantly. 1 gal/100mi = 0.425144 L/100km.

    Fuel Economy Converter

    11 units available

    Decimals:
    0.425144

    1 gal/100mi = 0.425144 L/100km

    Formula:

    L/100km = gal/100mi × 0.425143708

    With your value: 1 gal/100mi = 0.42514371 L/100km

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

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

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

    Gallon (US)/100mi (gal/100mi)Liter/100km (L/100km)
    0.50.212572
    10.425144
    20.850287
    52.125719
    104.251437
    156.377156
    208.502874
    2510.628593
    5021.257185
    10042.514371
    250106.285927
    500212.571854
    1000425.143708

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

    Liter/100km (L/100km)Gallon (US)/100mi (gal/100mi)
    0.51.176073
    12.352146
    24.704292
    511.760729
    1023.521458
    1535.282187
    2047.042917
    2558.803646
    50117.607292
    100235.214583
    250588.036458
    5001,176.072915
    10002,352.14583

    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/100km (L/100km)

    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/100km

    To convert from Gallon (US)/100mi (gal/100mi) to Liter/100km (L/100km), multiply the value by 0.425143708.

    Formula: L/100km = gal/100mi × 0.425143708

    Reverse: gal/100mi = L/100km × 2.35214583

    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 0.425143708
    3. The result is: 2.125719 L/100km

    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/100km

    The liter/100km (L/100km) is a unit of fuel economy. The liter/100km 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/100km are in 1 Gallon (US)/100mi?

    There are exactly 0.425143708 Liter/100km in 1 Gallon (US)/100mi. This means the conversion factor from Gallon (US)/100mi to Liter/100km is 0.425143708.

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

    The formula to convert Gallon (US)/100mi to Liter/100km is: L/100km = gal/100mi × 0.425143708. For example, to convert 10 Gallon (US)/100mi to Liter/100km, you would multiply 10 by 0.425143708.

    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/100km?

    The liter/100km (L/100km) is a unit of fuel economy. The liter/100km 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/100kmMiles/Gallon (US) → Liter/100kmMiles/Gallon (UK) → Liter/100kmMile/Liter → Liter/100kmGallon (US)/100mi → Kilometer/LiterGallon (US)/100mi → Miles/Gallon (US)Gallon (US)/100mi → Miles/Gallon (UK)Gallon (US)/100mi → Mile/LiterGallon (US)/100mi → Gallon (UK)/100mi

    Cite this page

    UnitConvertLab. (2026). Gallon (US)/100mi to Liter/100km converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gallon_per_100mi_us-to-liter_per_100km