How to Calculate the Fuel Consumption of a Car?

2 Answers
DiAdalynn
07/25/25 3:39pm
Fuel consumption per 100 kilometers = Volume of fuel consumed (liters) / Distance traveled with that fuel (kilometers) X100. Here is some relevant information: 1. Calculation conditions: Fill up the vehicle's fuel tank, reset the odometer or record the information. After driving for a period, refuel until the pump automatically stops. Divide the fuel consumed by the distance traveled between the two refueling stops, then multiply by one hundred to get the actual fuel consumption. You can then calculate the distance and fuel consumption according to the rules. 2. Error: If you record the cumulative amount of fuel purchased each time from the start of vehicle use and divide it by the total distance traveled, using the above formula will give you a relatively accurate fuel consumption per 100 kilometers. If you don't have these original fuel purchase records, many people substitute the fuel gauge reading and odometer reading into the above formula for calculation. This involves the issue of measurement accuracy. If the accuracy of the measurement is not taken into account, the calculated result will have a relatively large error.
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VonElias
08/11/25 9:32pm
As a car enthusiast, calculating fuel consumption is actually quite simple. I enjoy driving for trips and am always curious about the exact fuel usage. The method is to fill up the tank before refueling and note the odometer reading; then drive normally for a while, say a few hundred kilometers, before filling up the tank again and recording the liters of fuel added. Finally, divide the amount of fuel added by the distance traveled and multiply by 100 to get the fuel consumption per 100 kilometers. For example, if you traveled 600 kilometers and used 48 liters of fuel, the consumption would be 8 liters per 100 kilometers. This method is very practical, and I find that averaging over several cycles gives more accurate results, avoiding single-trip errors. Many factors affect fuel consumption, such as driving habits, traffic congestion, and air conditioning usage, which can cause fluctuations. By accelerating smoothly and maintaining tire pressure regularly, I can also save some fuel costs. Over time, it becomes a habit, and it's quite interesting.
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