## Best answer

Take the mileage of the total distance of your trip and divide it by your miles per gallonto get the number of gallons of gas you will need on your trip. Then multiply that figure by the current price of gas,and the result is the estimated cost of gas for your road trip.

## People also ask

### How do you calculate gas mileage on a trip?

Make a note of the number of gallons used to re-fill and the miles on the trip counter The formula to calculate gas mileage: Miles driven gallons used to refill the tank. Take the miles traveled (from the trip computer), divide that by the number of gallons used to refill the tank.

### How do I calculate my business fuel costs?

If you have a specific number of miles you鈥檝e driven for business, you can then multiply your gas mileage by the number of business miles. This will give you the business-specific fuel cost for that timeframe.

### How do you calculate the cost of a gallon of gas?

Take the average cost you spend per gallon and divide it by the number you got by calculating the mpg. Check out the formula below: price per gallon miles per gallon=price per mile Once you鈥檝e run the numbers, the amount you get is the cost to travel per unit of measure.

### How do I calculate the cost of a road trip?

It depends on the current gas prices and your car’s mileage, so you should always calculate the cost of your potential road trip before you decide on foregoing that plane ticket. To do this, you’ll need to know the current price of gasoline, the miles per gallon your vehicle gets on the highway, and the miles you intend to drive on your trip.