Conversion Formula:
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The MPG to L/100km conversion translates miles per gallon (US measurement) to liters per 100 kilometers (metric measurement), allowing comparison of fuel efficiency between different measurement systems.
The calculator uses the conversion formula:
Where:
Explanation: The formula accounts for the different units of distance (miles vs. kilometers) and volume (gallons vs. liters) between the two measurement systems.
Details: Converting between these units is essential when comparing vehicle specifications from different countries or when traveling between regions that use different measurement systems.
Tips: Enter the MPG value (must be greater than 0). The calculator will instantly show the equivalent fuel consumption in L/100km.
Q1: Why is 235.215 the conversion factor?
A: It combines 1 mile = 1.609344 km and 1 US gallon = 3.785411784 liters (100 × 3.785411784 / 1.609344 ≈ 235.215).
Q2: What's a good L/100km value?
A: Lower is better. Typical values range from 5-12 L/100km for passenger cars (equivalent to 20-47 MPG).
Q3: Does this work for UK MPG?
A: No, UK gallons are larger (1 UK gallon = 4.54609 liters). For UK MPG, use 282.481 instead of 235.215.
Q4: How accurate is this conversion?
A: Mathematically precise, but real-world fuel economy may vary based on driving conditions.
Q5: Why use L/100km instead of km/L?
A: L/100km shows consumption rather than efficiency, making it easier to compare fuel costs directly.