What is the formula for calculating car fuel consumption?

[DelJuliette]

Car fuel consumption per 100 kilometers = Volume of a certain amount of fuel (liters) ÷ Distance the car can travel with that amount of fuel (kilometers) × 100. Below is a detailed introduction about car fuel consumption per 100 kilometers: 1. Overview: Fuel consumption per 100 kilometers refers to the amount of fuel consumed by a vehicle traveling 100 kilometers on the road at a certain speed. It is a theoretical indicator for vehicles. The fuel consumption per 100 kilometers is a value measured by manufacturers in an objective environment using a dynamometer installed on the vehicle's chassis, converted into speed parameters, and then calculated by specifying the speed to derive the theoretical experimental fuel consumption data per 100 kilometers for the model. 2. Others: Since most vehicles approach their most economical speed at 90 kilometers per hour, most of the officially published theoretical fuel consumption data is usually the fuel consumption per 100 kilometers at 90 kilometers per hour.