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Petrol Consumption Calculator

Reviewed by Calculator Editorial Team

Calculate your vehicle's petrol consumption and fuel efficiency with this easy-to-use calculator. Whether you're planning a road trip or monitoring your daily driving, this tool helps you understand how much petrol your vehicle uses and how efficiently it's using fuel.

How to Use This Calculator

Using the petrol consumption calculator is simple. Follow these steps:

  1. Enter the distance traveled in kilometers.
  2. Enter the amount of petrol used in liters.
  3. Click the "Calculate" button to see your results.

The calculator will display your petrol consumption in liters per 100 kilometers (L/100km), which is a common measure of fuel efficiency in many countries.

Formula Explained

The petrol consumption is calculated using the following formula:

Petrol Consumption (L/100km) = (Petrol Used (L) / Distance Traveled (km)) × 100

This formula takes the amount of petrol used and divides it by the distance traveled, then multiplies by 100 to get the consumption rate per 100 kilometers.

Note: For better fuel efficiency, aim for a petrol consumption of 5-7 L/100km for most vehicles. Higher numbers indicate less efficient fuel usage.

Worked Example

Let's say you drive 300 kilometers and use 20 liters of petrol. Here's how to calculate your petrol consumption:

Example Calculation

Petrol Consumption = (20 L / 300 km) × 100 = 6.67 L/100km

This means your vehicle uses 6.67 liters of petrol for every 100 kilometers traveled.

This result indicates that your vehicle is using petrol relatively efficiently for this trip. If you consistently get similar results, your vehicle is performing well in terms of fuel economy.

Frequently Asked Questions

What is a good petrol consumption rate?

A good petrol consumption rate typically falls between 5-7 liters per 100 kilometers for most vehicles. This indicates efficient fuel usage. Higher numbers mean your vehicle is using more petrol for the same distance.

How can I improve my vehicle's petrol consumption?

To improve petrol consumption, maintain proper tire pressure, drive at consistent speeds, avoid rapid acceleration, and ensure your vehicle is well-maintained. Regular servicing can also help optimize fuel efficiency.

Is petrol consumption the same as fuel efficiency?

Yes, petrol consumption and fuel efficiency are related. Petrol consumption measures how much petrol your vehicle uses over a certain distance, while fuel efficiency measures how far your vehicle can travel with a certain amount of petrol. They are essentially two ways of expressing the same information.