What is the fuel consumption calculation formula?

2 Answers
DeBennett
07/24/25 9:40am
The calculation formula for fuel consumption is the ratio of fuel quantity to unit price. Below are specific tips for saving fuel in cars: 1. Proper use of air conditioning and windows; Using air conditioning properly, keeping windows closed when the AC is on, as improper use of car air conditioning can increase fuel consumption by 25%. When driving at speeds of 100 km/h, opening the windows can increase fuel consumption by 5%. 2. Maintain proper tire pressure: Low tire pressure can lead to increased fuel consumption. The normal tire pressure for most cars is 2.5 Bar. 3. Be aware of road conditions and slow down in advance: Especially on highways, it's important to plan your route ahead of time. Always pay attention to the road conditions ahead while driving.
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AndrewLee
08/11/25 4:57am
My name is Xiao Li, and I just learned to drive recently. I'm quite interested in fuel calculation. The fuel calculation formula is actually quite simple, basically: remaining fuel = total fuel tank capacity × percentage shown on the fuel gauge. For example, my car has a fuel tank capacity of 50 liters, and if the fuel gauge shows 30% remaining, then there are still 15 liters of fuel left. There's another method to calculate the remaining distance you can drive: remaining distance = remaining fuel ÷ average fuel consumption per kilometer. Average fuel consumption can be estimated by dividing the total amount of fuel added by the distance traveled. For instance, if I filled up with 40 liters of fuel and drove 400 kilometers, the fuel consumption per kilometer would be 0.1 liters. When driving daily, I regularly check the fuel gauge to avoid waiting until the warning light comes on before urgently looking for a gas station. This way, it's more convenient and safer. Last week, before driving on the highway out of town, I calculated in advance to ensure I wouldn't run out of fuel halfway and delay my trip. After learning this formula, I feel more confident while driving.
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