Litres Per 100 Kilometers Formula:
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Litres per 100 kilometers (L/100km) is a metric measurement of fuel consumption that represents how many litres of fuel a vehicle uses to travel 100 kilometers. It is the standard fuel economy measurement in most countries outside of North America.
The calculator uses the formula:
Where:
Explanation: This calculation converts the fuel consumption rate to a standardized measurement per 100 kilometers, making it easier to compare vehicle efficiency.
Details: Calculating fuel consumption helps vehicle owners monitor their vehicle's efficiency, estimate fuel costs for trips, identify changes in performance that may indicate maintenance issues, and compare the efficiency of different vehicles.
Tips: For accurate results, fill your fuel tank completely before starting your journey and refill it completely at the end to measure exactly how much fuel was used. Record the distance traveled between fill-ups.
Q1: What is considered good fuel consumption?
A: Good fuel consumption varies by vehicle type. Generally, 5-8 L/100km is excellent for small cars, 8-12 L/100km is average for midsize vehicles, and SUVs/trucks may get 12-18 L/100km.
Q2: How can I convert L/100km to MPG?
A: To convert L/100km to miles per gallon (MPG), use the formula: MPG = 235.21 / (L/100km).
Q3: Why does my actual fuel consumption differ from the manufacturer's rating?
A: Manufacturer ratings are conducted under ideal laboratory conditions. Real-world driving with traffic, hills, air conditioning use, and different driving styles will affect actual consumption.
Q4: How often should I calculate my fuel consumption?
A: Calculating every few tanks can help track your vehicle's performance. Significant changes might indicate maintenance issues like clogged filters or tire pressure problems.
Q5: Does fuel quality affect consumption?
A: Yes, higher quality fuels with proper detergents and additives can sometimes improve efficiency, though the difference is typically modest.