Gas Calculator
Calculate fuel cost and consumption for a trip based on distance, fuel efficiency, and price.
Published by:
isCalculator Editorial Team
Was this calculator helpful?
How to use this tool?
How to use the Gas Calculator:
- Enter Distance: Input the travel distance and select Miles or Kilometers from the dropdown.
- Enter Fuel Efficiency:
- If distance is in Miles, enter MPG (miles per gallon).
- If distance is in Kilometers, enter L/100km (liters per 100 km).
- Enter Fuel Price: Input the cost per gallon (for miles) or per liter (for km).
- Click "Calculate" to see results: fuel needed (in gallons or liters) and total cost.
- Review the steps below the results to understand the conversion and calculation process.
Tip: All inputs must be positive numbers. The calculator automatically converts between metric and imperial units.
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
Enter the distance of your trip, your vehicle's fuel efficiency (in MPG or L/100km), and the current fuel price. Select the appropriate units and click Calculate to see fuel needed and total cost.
Yes, you can choose the distance unit (Miles or Kilometers) from the dropdown. The calculator automatically adjusts the fuel efficiency unit and price unit accordingly.
The calculator validates inputs and shows inline error messages if values are missing, zero, or negative. Please enter positive numbers for all fields.