What is MPG and how does it relate to L/100km?

MPG (miles per gallon) measures how far a vehicle travels on one gallon of fuel (higher = more efficient). L/100km (liters per 100 kilometers) measures how many liters are needed to travel 100 km (lower = more efficient). To convert: L/100km = 235.21 / MPG. Example: 30 MPG = 235.21/30 = 7.84 L/100km.

What is good fuel efficiency in MPG?

In the US: below 25 MPG is poor, 25-35 MPG is average, 35-45 MPG is good, 45+ MPG is excellent (hybrid territory). EPA fuel economy labels rate: compact cars at 25-35 MPG combined, hybrids at 45-55 MPG, EVs are rated in MPGe (miles per gallon equivalent). SUVs and trucks typically average 18-28 MPG.

How do I convert km/L to L/100km?

L/100km = 100 / (km/L). Example: 15 km/L = 100/15 = 6.67 L/100km. Some countries (Japan) use km/L; others (Europe, Canada) use L/100km. km/L x 2.3521 = MPG.

What is MPGe for electric vehicles?

MPGe (miles per gallon equivalent) converts EV electricity consumption to a gasoline equivalent. The EPA uses 33.7 kWh as the energy equivalent of 1 gallon of gasoline. MPGe = 33.7 / kWh per 100 miles x 100. A Tesla Model 3 gets about 132 MPGe, far exceeding the best gasoline cars.

Fuel Efficiency Converter | L/100km, mpg, km/L

Fuel Efficiency Converter

Convert between L/100km, km/L, mpg (US/UK) and gal/100mi.

About Fuel Efficiency Units

Fuel efficiency describes how far a vehicle can travel per unit of fuel. L/100km (liters per 100 km) is used in Europe, Canada, and Australia. mpg (US) and mpg (UK) are used in the United States and United Kingdom respectively. km/L is common in Asia.

Quick Reference Table

L/100km	km/L	mpg (US)	mpg (UK)
5	20	47.05	56.50
8	12.5	29.40	35.31
10	10	23.52	28.25
15	6.67	15.68	18.83

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