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Miles per US gallon to Litres per 100 km

Convert miles per US gallon to litres per 100 km instantly.

Miles per US gallon to Litres per 100 km (mpg (US) to L/100 km) Converter

1 mile per US gallon = 235.21 litres per 100 km

L/100 km = 235.2145833 ÷ mpg (US)
From
  • Miles per US gallonmpg (US)
  • Litres per 100 kmL/100 km
To
  • Miles per US gallonmpg (US)
  • Litres per 100 kmL/100 km

Permanent link to this conversion

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How it’s calculated

L/100 km = 235.2145833 ÷ mpg (US)

  • These units are inversely related (one measures amount per distance, the other distance per amount), so divide 235.2145833 by the value.
  • Doubling one halves the other. A value of zero has no finite equivalent.
  • 1 mpg (US) = 235.2145833 L/100 km · 1 L/100 km = 235.2145833 mpg (US)

Quick examples

1 mile per US gallon = 235.21 litres per 100 km · 1 L/100 km = 235.21 mpg (US)

  • 1 mile per US gallon = 235.21 litres per 100 km
  • 5 miles per US gallon = 47.043 litres per 100 km
  • 10 miles per US gallon = 23.521 litres per 100 km
  • 25 miles per US gallon = 9.4086 litres per 100 km
  • 100 miles per US gallon = 2.3521 litres per 100 km

Miles per US gallon to litres per 100 km conversion table

mile per US gallon (mpg (US)) to litre per 100 km (L/100 km)
Miles per US gallon (mpg (US))Litres per 100 km (L/100 km)
10 mpg (US)23.521 L/100 km
15 mpg (US)15.681 L/100 km
20 mpg (US)11.761 L/100 km
25 mpg (US)9.4086 L/100 km
30 mpg (US)7.8405 L/100 km
35 mpg (US)6.7204 L/100 km
40 mpg (US)5.8804 L/100 km
45 mpg (US)5.227 L/100 km
50 mpg (US)4.7043 L/100 km
60 mpg (US)3.9202 L/100 km

About these units

Mile per US gallon (mpg (US))

US customary

1 mpg (US) ≈ 0.42514371 km/L

Source: Derived from exact length, volume and time definitions (NIST SP 811 / Handbook 44)

Litre per 100 km (L/100 km)

metric (non-SI)

km/L = 100 ÷ L/100 km

Source: Derived from exact length, volume and time definitions (NIST SP 811 / Handbook 44)

Frequently asked questions

How do I convert miles per US gallon to litres per 100 km?

Use L/100 km = 235.2145833 ÷ mpg (US). These units are inversely related (one measures amount per distance, the other distance per amount), so divide 235.2145833 by the value.

How many litres per 100 km are in 1 mile per US gallon?

1 mile per US gallon (mpg (US)) equals 235.21 litres per 100 km (L/100 km); more precisely 235.2145833.

How many miles per US gallon are in 1 litre per 100 km?

1 litre per 100 km (L/100 km) equals 235.21 miles per US gallon (mpg (US)); more precisely 235.2145833.

What is 10 mpg (US) in L/100 km?

10 miles per US gallon = 23.521 litres per 100 km.

Is the mile per US gallon a US or a UK unit?

This converter uses the US customary mile per US gallon. US and UK units with the same name can differ, so check which one your source uses.

Related conversions

Formula: L/100 km = 235.2145833 ÷ mpg (US). Factors last reviewed 2026-10-27.