Calculate Gas Cost for Road Trip

Use our RV Fuel Guide to calculate the cost of gas or diesel for your road trip. Plus learn how to save on fuel!

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First things first: How to Calculate

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Find your Car or RV's Average MPG

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Calculate the total mileage of your road trip

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Divide total miles by MPG and multiply by current price

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Prefer for someone else to do the math? Use our simple online calculator to calculate the total gas cost for your road trip.

Use the Calculator

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Tips for Saving on Road Trip Gas Cost

Use these easy to follow tips to save on gas or diesel on your USA road trip.

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1. Drive Slower

Fuel efficiency decreases rapidly at speeds above 50 mph. For every 5 mph over 50 mph, you will pay an additional $0.20 per gallon for gas.

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2. Remove Excess Weight

An extra 100 pounds in your vehicle could reduce your mpg by about 1%.  This is especially important for RV travelers driving large loads.

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3. Use Mobile Apps

The easiest way to save money on rod trip gas is to find better gas prices. Always use an app, such as GasBuddy, to located the best fuel price.

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4. Join Good Sam RV Club

Good Sam members save 8 cents off per gallon of diesel and 1 cent per gallon of gas at select Flying J and Pilot locations. 

Once you have figured out the cost of gas, it is time to start planning your road trip.

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