How do you convert l/100km to mpg?

To convert l/100km (L/100km) to mpg (MPG (US)), apply the conversion formula: MPG (US) = 235.215 / (L/100km). For example, 7.5 L/100km converts to 31.36194 MPG (US).

What is 7.5 l/100km in mpg?

7.5 l/100km (7.5 L/100km) is equal to 31.36194 mpg (31.36194 MPG (US)).

Which is larger, 1 liters per 100 km (L/100km) or 1 miles per gallon (us) (MPG (US))?

At an input of 1 L/100km, the equivalent value is 235.21458 MPG (US), whereas 1 MPG (US) equals 235.21458 L/100km. Because fuel economy scales use offset or reciprocal relationships, always check the specific operating range in the conversion table above.

How do I convert back from mpg (us) (MPG (US)) to l/100km (L/100km)?

Use the Swap button in the calculator above to switch MPG (US) and L/100km immediately. For reference, 1 MPG (US) equals 235.21458 L/100km.

Are there regional or standard differences when converting L/100km and MPG (US)?

US vs. UK MPG and Inverse Consumption Scales: Miles per gallon (MPG) measures distance traveled per unit of fuel (higher is better), whereas Liters per 100 km (L/100km) measures fuel volume consumed over a fixed distance (lower is better). Because the UK Imperial gallon (4.54609 L) is ~20.1% larger than the US gallon (3.78541 L), US MPG uses the conversion constant 235.215 while UK MPG uses 282.481.

L/100km to MPG Converter

Enter the fuel economy in l/100km below to convert it to mpg.

MPG (US) to L/100km (MPG (US) → L/100km)

Convert L/100km to MPG (US)

Enter a value in l/100km (L/100km) to convert to mpg (us) (MPG (US)).

Value (L/100km)

From

Result

•

31.3619444mpg (us)

7.5 L/100km = 31.3619444 MPG (US)

Result updates automatically

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Suggested Conversions

Reference:DOE / EPA (EPA 40 CFR Part 600 Fuel Economy)

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Liters per 100 km to Miles per Gallon Conversion Table

Table showing various liters per 100 km measurements converted to mpg. Click any preset value or arrow to load it into the converter.

L/100km (L/100km)	MPG (US) (MPG (US))
1 L/100km	235.214583 MPG (US)
2 L/100km	117.6072915 MPG (US)
5 L/100km	47.0429166 MPG (US)
6 L/100km	39.2024305 MPG (US)
7 L/100km	33.6020833 MPG (US)
8 L/100km	29.4018229 MPG (US)
10 L/100km	23.5214583 MPG (US)
12 L/100km	19.6012152 MPG (US)
15 L/100km	15.6809722 MPG (US)
20 L/100km	11.7607291 MPG (US)

How to Convert L/100km to MPG

To convert l/100km (L/100km) to mpg (MPG (US)), apply the governing fuel efficiency relationship: MPG (US) = 235.215 / (L/100km).

Use this formula to convert between l/100km and mpg:

MPG (US) = 235.215 / (L/100km)

Fuel consumption and distance-per-volume efficiency scales are related by exact international volume and mile/kilometer constants.

For example, here's how to convert 7.5 L/100km to mpg using the formula above:

mpg = 235.214583 ÷ 7.5 = 31.36194 = 31.3619444 MPG (US)

How Many MPG Are in a Liters per 100 km?

There are 235.214583 mpg in a liters per 100 km, which is why we use this value in the formula above.

1 L/100km = 235.214583 MPG (US)|1 MPG (US) = 235.214583 L/100km

Our liters per 100 km to miles per gallon calculator automatically converts your fuel economy measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

L/100km and mpg are both units used to measure fuel economy. Keep reading to learn more about each unit.

What Is a Liters per 100 km?

Liters consumed per 100 kilometers traveled. It serves as a primary reference unit for measuring fuel economy across scientific and practical applications. [1]

The liters per 100 km is classified as a metric and SI-compatible unit of fuel economy. L/100km can be abbreviated as L/100km; for example, 1 liters per 100 km can be written as 1 L/100km.

When working with l/100km (L/100km) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, l/100km (L/100km) are widely used across standard fuel economy applications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about l/100km in our Fuel Economy Converter.

What Is a Miles per Gallon?

Miles traveled per US liquid gallon. It serves as a primary reference unit for measuring fuel economy across scientific and practical applications. [2]

The miles per gallon is classified as a US customary unit of fuel economy. MPG can be abbreviated as MPG (US); for example, 1 miles per gallon can be written as 1 MPG (US).

As the primary coherent reference unit for fuel economy in this category, all other fuel economy units are mathematically anchored to the miles per gallon (MPG (US)).

In practice, mpg (MPG (US)) are widely used across standard fuel economy applications within US customary workflows, engineering documentation, and technical data sheets.

Learn more about mpg in our Fuel Economy Converter.

When converting fuel economy between l/100km (L/100km) and mpg (MPG (US)), keep full floating-point precision (1 L/100km = 235.214583 MPG (US); 1 MPG (US) = 235.214583 L/100km) during intermediate calculations and round only the final miles per gallon figure to match your instrument tolerance.

More Liters per 100 km & Miles per Gallon (US) Conversions

Need to calculate in the opposite direction? Use our mpg (us) to l/100km converter (MPG (US) to L/100km) to switch your starting unit immediately. You can also explore related tools such as converting km/l to mpg (us), converting mpg (uk) to mpg (us), or converting l/100km to km/l.

Convert from L/100km

Convert to Miles per Gallon (US)

Frequently Asked Questions

There are 235.21458 mpg (MPG (US)) in 1 liters per 100 km (L/100km). Conversely, 1 miles per gallon (MPG (US)) is equal to 235.21458 l/100km (L/100km).

Fuel Economy Converter

Quick Info

Direct Factor: 1 liters per 100 km (L/100km) equals 235.21458 mpg (us) (MPG (US)).
Inverse Factor: 1 miles per gallon (us) (MPG (US)) equals 235.21458 l/100km (L/100km).
Formula: MPG (US) = 235.215 / (L/100km).
Standard Note: US vs. UK MPG and Inverse Consumption Scales: Miles per gallon (MPG) measures distance traveled per unit of fuel (higher is better), whereas Liters per 100 km (L/100km) measures fuel volume consumed over a fixed distance (lower is better). Because the UK Imperial gallon (4.54609 L) is ~20.1% larger than the US gallon (3.78541 L), US MPG uses the conversion constant 235.215 while UK MPG uses 282.481.

Units Comparison

Liters per 100 km (L/100km)

Liters consumed per 100 kilometers traveled.

Miles per Gallon (US) (MPG (US))

Miles traveled per US liquid gallon.

Miles per Gallon (UK) (MPG (UK))

Miles traveled per UK Imperial gallon.

References

[1]DOE / EPA · EPA 40 CFR Part 600 Fuel Economy
Source
[2]NIST SP 811 · NIST SP 811 App. B.9 (Fuel Consumption)
Source
[3]NIST OWM · SI Units — Volume (US vs. Imperial Gallon)
Source

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References

NIST · BIPM · ISO

[1]
DOE / EPA (EPA 40 CFR Part 600 Fuel Economy)·Fuel Economy Metrology Standard — L/100km (L/100km) to MPG (US) (MPG (US))
DOE / EPA Standard
[2]
NIST SP 811 (NIST SP 811 App. B.9 (Fuel Consumption))·Unit Specifications: Liters per 100 km (L/100km) & Miles per Gallon (US) (MPG (US))
NIST SP 811 Specification
[3]
NIST OWM (SI Units — Volume (US vs. Imperial Gallon))·Conversion Factors & Mathematical Basis (L/100km to MPG (US))
NIST OWM Reference

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