How to Calculate Fuel Costs for Driving

Learn how to calculate fuel costs for trips, monthly driving, and annual expenses using fuel consumption rates.

Understanding Fuel Costs

Fuel costs are a significant part of car ownership expenses. Knowing how to calculate them helps you budget and make informed decisions about your vehicle.

Basic Fuel Cost Formula

Fuel Cost = (Distance / Efficiency) × Fuel Price

Step-by-Step Calculation

  1. Determine distance: How many miles or kilometers will you drive?
  2. Find fuel efficiency: Your car's MPG (miles per gallon) or L/100km rating
  3. Get fuel price: Current price per gallon or liter
  4. Calculate: Divide distance by efficiency, then multiply by price

Example Calculation

For a 500-mile trip with 25 MPG at $3.50/gallon:

Fuel needed = 500 miles ÷ 25 MPG = 20 gallons

Cost = 20 gallons × $3.50 = $70.00

Use Our Calculators