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Convert liters per 100 kilometers to miles per gallon (US) instantly
Lower is better
Higher is better
MPG (US) = 235.215 / L/100km
L/100km = 235.215 / MPG
Note: This is an inverse relationship - lower L/100km equals higher MPG
| L/100km | MPG (US) |
|---|---|
| 3 L/100km | 78.41 MPG |
| 4 L/100km | 58.8 MPG |
| 5 L/100km | 47.04 MPG |
| 6 L/100km | 39.2 MPG |
| 7 L/100km | 33.6 MPG |
| 8 L/100km | 29.4 MPG |
| 9 L/100km | 26.13 MPG |
| 10 L/100km | 23.52 MPG |
| 11 L/100km | 21.38 MPG |
| 12 L/100km | 19.6 MPG |
| 14 L/100km | 16.8 MPG |
| 16 L/100km | 14.7 MPG |
Liters per 100 kilometers (L/100km) is the standard fuel consumption metric in Europe, Australia, New Zealand, and many other countries. It measures how many liters of fuel a vehicle consumes to travel 100 kilometers. Lower values indicate better fuel efficiency - a car using 5 L/100km is more efficient than one using 10 L/100km.
When converting L/100km to US MPG, you use the formula: MPG = 235.215 / L/100km. This accounts for converting kilometers to miles, liters to US gallons, and the inverse relationship between the two measurements. For example, a European car rated at 6 L/100km equals 39.20 MPG in US terms.
The inverse relationship between L/100km and MPG can be counterintuitive. As one increases, the other decreases. However, L/100km has an advantage: it shows a linear relationship with fuel consumption. A reduction from 10 to 9 L/100km saves the same amount of fuel as a reduction from 6 to 5 L/100km (1 liter per 100 km), making efficiency comparisons more straightforward.
Different regions mandate different fuel economy standards, but most can be converted to L/100km for comparison. Europe uses L/100km directly in regulations like Euro 6. The US uses MPG (CAFE standards). Japan uses km/L. China uses L/100km. Understanding these conversions is essential for automotive manufacturers selling vehicles globally and consumers comparing international vehicle specifications.
To convert L/100km to US MPG, divide 235.215 by the L/100km value. For example, 7 L/100km equals 235.215 / 7 = 33.60 MPG. This inverse relationship means lower L/100km values produce higher MPG values, both indicating better efficiency.
Yes, 6 L/100km (approximately 39 MPG) is considered very good fuel economy. Most modern compact cars achieve 5-7 L/100km in combined driving. Hybrid vehicles often achieve 3-5 L/100km, while larger SUVs and trucks typically use 9-14 L/100km. Anything under 6 L/100km is excellent for a conventional gasoline vehicle.
L/100km aligns with the metric system used in Europe and provides a more direct measure of fuel consumption. It makes cost calculations easier (multiply L/100km by distance and fuel price) and shows a linear relationship with consumption. The measurement is also more intuitive for understanding actual fuel usage over a given distance.
UK (Imperial) MPG uses a larger gallon (4.546 liters vs 3.785 liters), making UK MPG values about 20% higher than US MPG for the same vehicle. To convert L/100km to UK MPG, divide 282.481 by L/100km instead of 235.215. Always check whether MPG figures are US or UK when comparing vehicles.