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Fuel Cost Calculator and Vehicle Efficiency

Whether you're planning a weekend road trip or a daily commute, understanding how to calculate fuel costs is essential for budgeting and making informed decisions about your travels.

Fuel expenses can significantly impact your overall expenditure, and by mastering this skill, you can save money and reduce your carbon footprint. In this article, we'll walk you through the process of calculating fuel costs for your journey. We are looking at internal combustion engines only as electric vehicles will need to be calculated differently.

Know Your Vehicle's Fuel Efficiency

Before embarking on your journey, it's crucial to determine your vehicle's fuel efficiency. This is typically measured in miles per gallon (MPG). You can find this information in your vehicle's manual or by searching online for your specific make and model. Make sure to note whether the value given is for city or motorway driving, as these figures can vary.

Estimate the Distance of Your Journey

Next, you need to calculate the total distance you'll be covering during your journey. You can use online mapping tools or GPS devices to get an accurate distance measurement. Ensure you take into account any detours or side trips you plan to make. Did you know the average person drives around 7,400 miles per year?

Determine the Current Fuel Price

To accurately calculate fuel costs, you'll need to know the current price of the fuel you intend to use. Petrol (unleaded or diesel) prices can fluctuate, so check with your local petrol station or use a reliable smartphone app for real-time prices.

Use the Formula

The formula for calculating fuel costs is relatively straightforward:

Fuel Cost = (Distance / Fuel Efficiency) * Fuel Price

Let's break this down step by step:

a. Plug your vehicle's fuel efficiency (in MPG) and the journey distance (in miles) directly into the formula.

b. Multiply the converted fuel efficiency and journey distance by the current fuel price in pence per gallon.

Example: If the current fuel price is £1.52 per litre and your vehicle has a fuel efficiency of 30 MPG, and your journey is 200 miles:

Fuel Cost = (200 miles / 30 MPG) * £1.52/litre= £10.14

By following these steps and using the simple formula provided, you can accurately calculate your fuel costs for any journey in miles. This knowledge empowers you to budget effectively, make informed travel decisions, and even explore fuel-efficient alternatives to save money and reduce your environmental impact. Remember that maintaining your vehicle, adopting efficient driving habits, and considering public transportation or carpooling are also great ways to manage fuel costs in the long run.

Safe travels!

Calculating Fuel Costs

How to calculate expected mileage

Route planners are fantastic to help give you a better indication of your daily, weekly, and monthly mileage. With these free tools, you can calculate the total trip distance between points. Depending on your preferences, you can calculate the quickest, most efficient, or cheapest route.

Before signing up to a lease, you might want to check out some of the free tools available. This way you will be able to accurately calculate your annual mileage and avoid overpaying throughout your agreement. It will also help prevent you calculating your expected mileage under your actual mileage and prevent any end of contract charges for exceeding your mileage allowance.

There are a few tools to help you calculate your mileage to make your estimated mileage more accurate.

RAC Route Planner.
AA Route Planner.
Google Maps.