Improving your gas mileage day by day - Gas Mileage Calculator

Find Out Your Real MPG and Learn How to Improve It

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Miles to Gallons Calculator

Find out how many gallons of gas will be used (and the cost) when travelling a known amount of miles.

For a successful calculation you need to enter at least the number of miles to travel on your trip as well as the mpg of you car or vehicle. If you also enter the gas price you expect to pay we can also give you an estimate of what the gas would cost for your trip.

Calculate Trip Gas Usage and Cost

Distance: miles (See below for distances between US cities)

Miles per Gallon: mpg ←

Price of Fuel (optional): $ USD / gallon

When you click calculate the amount of gas needed for your trip will be calculated. Distance and mpg are required to make the calculation!

Find out the miles per gallon value of your vehicle

Driving Distances between Selected US Cities

Starting City
Destination City
Select starting city at left, destination at right. Or, if you are feeling particularly contrary today, vice versa. Then click below.

Miles Kilometers

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Frequently Asked Questions

What would gas cost for my trip?

To find out the gas cost for your trip you need to know your cars fuel economy (mpg), how many miles you will drive and the price of gas.

To find out the length of your trip use the driving distance chart above. To find out your mpg, use the mpg calculator. To find out the gas price, try GasBuddy

When you know these parameters, enter them into the trip cost calculator above and it will spit out an estimate.

How can one gallon of gasoline produce 20 pounds of CO2?

Because the carbon dioxide (CO2) is created from the carbon (C) in the fuel AND the oxygen (O) in the air, it's heavier than the fuel burned to produce it.

How To Improve Your Gas Mileage

  1. Keeping the speed between 30 and 60 mph when possible lets the engine run at the optimal rate and decreases the gas mileage.
  2. Avoid idling, especially if you have a large engine.
  3. Try not to accelerate and break all the time (even though it's fun), driving at even speed can increase gas mileage with as much as 30%.
  4. Keep your car and especially the engine in good chape and it will use less fuel
  5. Obviously fixing any fuel leaks will improve your gas mileage and prevent the ground from getting polluted.
  6. Check the tyre pressure regularily. Too low pressure will decrease your fuel mileage
  7. If you live in en area with freezing winter weather using an engine block heater before starting will improve fuel mileage and decrease strain on the engine.
  8. Buy a more fuel efficient car, or use a motorcycle if you're alone. Motorcycles often use only half as much fuel as a car but that's easy to forget when it's raining.
  9. Diesel engines use less fuel than the equivalent gas powered engine but may not be your ideal choice for a variety of other reasons.
  10. Walk or take the bike, you will get exercise at the same time. Driving short quarter mile trips uses a lot of fuel and is hard on the engine.

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