Fuel Economy Converter
Convert between different fuel economy units instantly. Supports US mpg, Imperial mpg, and Liters per 100km.
💡 Note: Fuel economy has an inverse relationship. Higher mpg = Lower L/100km. Our converter handles this automatically!
Result
7.840486 L/100km
30 US mpg = 7.840486 L/100km
Quick Conversions
Conversion Table
| Input | From | To | Result |
|---|---|---|---|
| 30 | US mpg | imp mpg | 36.0285 |
| 30 | US mpg | L/100km | 7.840486 |
Fuel Economy Converter - Complete Guide
Convert between different fuel economy units including US mpg, Imperial mpg, and Liters per 100km. Perfect for comparing car fuel efficiency across different countries and understanding vehicle fuel consumption.
Conversion Formula: Fuel economy has an inverse relationship. Higher mpg = Lower L/100km.
Use this converter to compare fuel economy across different measurement systems. Select your units above and get instant results!
Common Fuel Economy Conversions
Frequently Asked Questions
What fuel economy units are supported?
Our fuel economy converter supports 3 units: US mpg (miles per gallon), Imperial mpg (UK miles per gallon), and Liters per 100km (L/100km).
What is the difference between US mpg and Imperial mpg?
The US gallon is 3.785 liters, while the Imperial gallon is 4.546 liters. This means 1 US mpg = 1.20095 Imperial mpg. The Imperial gallon is about 20% larger.
How do I convert mpg to L/100km?
To convert mpg to L/100km, divide 235.214583 by the mpg value (for US mpg) or 282.480936 by the mpg value (for Imperial mpg). For example, 30 US mpg = 235.214583 / 30 = 7.84 L/100km.
How do I convert L/100km to mpg?
To convert L/100km to mpg, divide 235.214583 by the L/100km value (for US mpg) or 282.480936 by the L/100km value (for Imperial mpg). For example, 8 L/100km = 235.214583 / 8 = 29.40 US mpg.
What is good fuel economy?
Good fuel economy depends on the vehicle type. For a typical car, 30+ US mpg (7.8 L/100km) is considered good. Hybrids can achieve 50+ US mpg (4.7 L/100km), while SUVs typically get 20-25 US mpg (9.4-11.8 L/100km).
Why is fuel economy measured differently in different countries?
The US uses miles per gallon (mpg), Europe uses liters per 100km (L/100km), and the UK uses Imperial mpg. These differences stem from historical measurement systems and units.
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