How do I convert miles per gallon (us) to liters per 100km?

To convert miles per gallon (us) to liters per 100km, use our converter above. Enter your fuel economy value and get instant, accurate results. Our tool handles the inverse relationship between MPG and L/100km automatically.

How accurate are fuel economy conversions?

Our conversions use precise mathematical formulas accurate to multiple decimal places. Note that real-world fuel economy varies based on driving conditions, temperature, and driving style.

Miles per Gallon (US) to Liters per 100km Converter

Convert Miles per Gallon (US) to Liters per 100km instantly

From

mpg

Result

0L/100km

Liters per 100km

Conversion Formula

1 mpg = 1 L/100km

Where:

mpg = Miles per Gallon (US)
L/100km = Liters per 100km

What is a Miles per Gallon (US)?

The miles per gallon (us) (mpg) is a unit of fuel economy in the us system of measurement.

What is a Liters per 100km?

The liters per 100km (L/100km) is a unit of fuel economy in the metric system of measurement.

How to Convert Miles per Gallon (US) to Liters per 100km

Convert miles per gallon (us) to liters per 100km instantly

Quick Reference:

1 mpg = 1.000000 L/100km
1 L/100km = 1.000000 mpg

Common Miles per Gallon (US) to Liters per 100km Conversions

1 mpg
= 235.22 L/100km

5 mpg
= 47.04 L/100km

10 mpg
= 23.52 L/100km

25 mpg
= 9.41 L/100km

50 mpg
= 4.70 L/100km

100 mpg
= 2.35 L/100km

Conversion Reference Table

Miles per Gallon (US) (mpg)	Liters per 100km (L/100km)
1	235.215
2	117.6075
3	78.405
4	58.8038
5	47.043
10	23.5215
15	15.681
20	11.7608
25	9.4086
50	4.7043
75	3.1362
100	2.3522
250	0.9409
500	0.4704
1,000	0.2352

Quick reference table showing common miles per gallon (us) to liters per 100km conversions.

Real-World Fuel Economy Conversions

🚗

Car Shopping

When comparing vehicles from different countries, converting fuel economy helps you understand true efficiency. European cars list L/100km, while US specs show MPG.

✈️

Travel Planning

When renting cars abroad, understanding local fuel economy units helps budget for fuel costs and compare rental options.

📰

Vehicle Reviews

International car reviews often use different fuel economy units. Converting values helps compare vehicles across different markets.

🌍

Environmental Impact

Understanding fuel economy in different units helps calculate carbon footprint and compare vehicle emissions across markets.

🚐

Fleet Management

Companies with international vehicle fleets need to compare fuel efficiency across different measurement systems for cost analysis.

⚡

Electric Vehicle Comparison

Comparing EV efficiency (mi/kWh or km/kWh) with gasoline vehicles helps understand the energy efficiency advantages of electric cars.

Fuel Economy Conversion FAQs

Common Conversion Mistakes

⚠Confusing the direction of conversion — always check whether you are converting from Miles per Gallon (US) to Liters per 100km or vice versa.
⚠Rounding too early in multi-step calculations. Keep full precision until the final result.
⚠Using outdated or approximate conversion factors. Our converter uses values traceable to international measurement standards.

Sources & Standards

Conversion factors on this page are based on definitions from the International Bureau of Weights and Measures (BIPM) and the National Institute of Standards and Technology (NIST). All factors are accurate to at least 6 decimal places.

Last updated: November 27, 2025