Checking Gas Mileage
#2
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Go to your local gas station and do a fill up. Run your tank down to near empty. Fill up your tank and then divide the number of miles you've driven (from the first fill up to this fill up) by the number of gallons you put in during this fill up. Example, I drove 240 miles between my last fill up and this fill up. I fill my rig up with 14.736 gallons of gas. 240/14.736=16.286 (roughly). I've averaged 16.2 MPG for that tank.... Understand? If you don't just PM me or reply to this thread.
#3
- Fill up tank.
- Write down the mileage on odometer.
- Next time you fill up, look at odometer again and write mileage down.
- Divide the difference into how many gallons you needed to fill up.
#6
Originally Posted by jethro358
Ok I feel like an idiot for not knowing how to this...but I don't know how to see how many MPG I'm getting. Can someone please explain.
#7
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These guys are all correct. Easy way?
Total miles driven divided by amount of fuel used.
Miles divided by gallons
Miles per gallon (per means divide...remember this)
Miles goes in the house and gallons stays outside.
On a calculator, key in the miles first, then the divide symbol, then the gallons of gas used, then the equal sign (=).
Of course, if you're driving a Land Cruiser, you'll have to learn scientific notation.
And to thank me, you can send over Elle May's daughter.
Total miles driven divided by amount of fuel used.
Miles divided by gallons
Miles per gallon (per means divide...remember this)
Miles goes in the house and gallons stays outside.
On a calculator, key in the miles first, then the divide symbol, then the gallons of gas used, then the equal sign (=).
Of course, if you're driving a Land Cruiser, you'll have to learn scientific notation.
And to thank me, you can send over Elle May's daughter.
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#9
It should be mentioned that this method only works if your speedometer/odometer is accurate. If you have made tire size and/or gearing changes, it will throw the whole works off. One way to check the accuracy of your odometer is to verify with GPS.
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Originally Posted by Glenn
It should be mentioned that this method only works if your speedometer/odometer is accurate. If you have made tire size and/or gearing changes, it will throw the whole works off. One way to check the accuracy of your odometer is to verify with GPS.
How in the he11 can I figure my actual miles.....
#11
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Originally Posted by grams72
Mine is 5 mph off,
How in the he11 can I figure my actual miles.....
How in the he11 can I figure my actual miles.....
At the end of the 10 miles, stop (be precise).
Note the mileage on you odometer...For illustration purposes, say it's 9.3 miles.
Your correction factor will be 10 miles / 9.3 miles or 1.08 which rounds to 1.1.
So the next time you fill up with gas and reset your trip odometer, you'll take the mileage from your trip odometer and multiply it by your correction factor to get the corrected mileage.
Last edited by gwhayduke; 06-23-2004 at 08:46 AM.
#12
Originally Posted by grams72
Mine is 5 mph off,
How in the he11 can I figure my actual miles.....
How in the he11 can I figure my actual miles.....
GPS would also help. If there is an REI near you, you can rent them.
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I record my fuel mileage in a pocket planner I keep in the center console at each fill-up. At the end of the month, I average out each data point for that month. It has helped me identify that something may be amiss (low tire pressure, wheel alignment, etc.) that impacts fuel economy. I also record every maintenance task I perform so I have close-at-hand info.
#14
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GPS would be better, however, if you don't have access to one and your fairly confident that a tire calculator will work for you - you can get the miles that you run, input into a tire calculator, and use that end total to get your MPG.
The tire calculator I'm talking about is the kind that gives you the speed difference. You can input your total miles there - the same math should apply.
The tire calculator I'm talking about is the kind that gives you the speed difference. You can input your total miles there - the same math should apply.
#15
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Originally Posted by Glenn
5 MPH at what speed? That would help.
GPS would also help. If there is an REI near you, you can rent them.
GPS would also help. If there is an REI near you, you can rent them.
Its off at all speeds, I have a GPS, Thats how I figured out I was off.
I will use it to check my odometer, Should be able to figure out a conversion once I get the numbers.
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