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How to Calculate a Car's Fuel Consumption per 100 Kilometers?

2 Answers

LaLily

07/28/25 9:26pm

Fuel consumption per 100 kilometers refers to the fuel consumption of a vehicle traveling a certain distance of 100 kilometers on the road, which is a theoretical indicator of the vehicle. The calculation method for fuel consumption per 100 kilometers is as follows: the volume of a certain amount of fuel (liters) ÷ the distance the car can travel with that amount of fuel (kilometers) × 100. Below is more information about a car's fuel consumption per 100 kilometers: 1. The fuel consumption per 100 kilometers is a value measured by the manufacturer in an objective environment using a dynamometer installed on the vehicle's chassis, converted into speed parameters, and then driving at a specified speed to calculate the theoretical experimental fuel consumption data per 100 kilometers for the model. 2. If the engine speed is controlled within the same safe speed range, regardless of the vehicle's speed, the hourly fuel consumption remains the same.

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VonSawyer

08/12/25 2:04am

Calculating fuel consumption per 100 kilometers is quite simple. As an experienced driver, I always pay attention to fuel efficiency. Here's the method: First, fill up the fuel tank completely before refueling and note down the odometer reading. Then drive normally for a certain distance, preferably covering 100 kilometers or more. When you go back to refuel, fill up the tank again and record how many liters of fuel you added. Use the formula: (Liters of fuel added ÷ Kilometers driven) × 100 = Fuel consumption (L/100km). For example, if I drove 300 kilometers after filling up and then added 15 liters of fuel, the fuel consumption would be (15 ÷ 300) × 100 = 5L/100km. This helps you understand your car's fuel economy, and doing it regularly can help you save on fuel costs. I keep a monthly record of this.

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