How to calculate fuel consumption based on mileage?

[OLaura]

After refueling, reset the trip mileage and convert the amount into fuel volume based on the current fuel price. Repeat this process each time you refuel. Fuel consumption per 100 kilometers = Volume of fuel (liters) / Distance the car can travel with that amount of fuel (kilometers) X100. Reset the mileage or record the information. After using the car for a period, refuel until the pump stops automatically. Divide by the mileage between two refuels and multiply by one hundred to get the actual fuel consumption.

[DeSpencer]

I've been driving for over a decade, and calculating fuel consumption is a fundamental skill that's also very practical. First, fill up the tank completely and record the odometer reading as A kilometers. Then drive normally to work or for leisure until the fuel gauge is nearly empty, and fill up the tank again. The amount of fuel V liters you add this time is the fuel you've consumed. Note the new odometer reading B kilometers. The distance traveled is B-A kilometers. Simply divide: (V divided by (B-A)) multiplied by 100 gives you the fuel consumption per 100 kilometers (unit: L/100km). I prefer to calculate it several times and take the average for better accuracy. This not only helps you understand your car's condition but also saves money; if the fuel consumption abnormally increases, say from 8 liters to 10 liters, it might indicate low tire pressure or a clogged air filter, signaling it's time for a check-up and maintenance. In daily driving, try to avoid congested routes, and maintaining a speed of around 80km/h on highways is most fuel-efficient—I can save about 20% this way. Remember to keep a small notebook to record mileage and fuel amounts; once you get used to it, it becomes very convenient for analyzing driving habits.

[McKennedy]

I enjoy exploring new technologies, and even calculating fuel consumption can be done in a smart way. The basic method is to fill up the tank, note the starting mileage, drive until empty, then refuel and record the fuel consumed (V) and the ending mileage. The calculation is simple: (V divided by the total distance driven in kilometers) multiplied by 100. However, I prefer using mobile apps like Xiaoxiong Fuel Consumption or WeChat mini-programs, which allow me to take photos of receipts for automatic average calculations, eliminating the hassle of manual math. Regularly tracking fuel consumption this way can also help optimize driving habits. For example, I noticed that aggressive acceleration spikes fuel usage, and after adjusting, I reduced my monthly average by 0.5L. Key benefits: These apps can connect online to track fuel price changes, remind you when to refuel to avoid peak hours, saving both time and money. They also allow data export, which can be combined with maintenance records for deeper analysis, revealing potential issues like spark plug wear that can increase fuel consumption by 0.5-1L. In short, integrating data-driven habits into driving not only boosts efficiency but also promotes environmental sustainability by reducing emissions.

[AmaraFitz]

I always live frugally, and calculating fuel consumption is a great way to save money. First, fill up the tank and record the mileage as A kilometers. After driving, refuel and note the fuel consumption V liters and the ending mileage B. Use the formula (V divided by (B minus A)) multiplied by 100 to get the fuel consumption per 100 kilometers. Take multiple averages to ensure accuracy. This method is simple and practical, allowing you to monitor fuel expenses. For example, if city traffic results in 15L per 100 km but drops to 10L on weekend highways, you’ll know driving less in the city saves fuel costs. I save dozens of yuan on fuel each month—small savings add up. When fuel prices fluctuate, calculate promptly and refuel during low-price periods for better savings. You can also compare fuel quality across different gas stations, as poor-quality fuel may increase consumption by 0.3L. I recommend making it a habit—calculate every time you refuel. With data in hand, saving money becomes effortless.