How to Calculate MPG/KPL

[yaris2010RS]

i've been trying this but notice when the pump "pops", its always at a different point. like i was going by the first pop but when i got in, i wasn't even at the full line, thoughts?

[RickSWEF]

Originally Posted by yaris2010RS

i've been trying this but notice when the pump "pops", its always at a different point. like i was going by the first pop but when i got in, i wasn't even at the full line, thoughts?

Just to answer your question. If you don't top off and hang the nozzle up after it clicks off, it will be different every time. Each pump has a different speed that it pumps fuel out. This means trapped air escapes better on slower pumps and the nozzle doesn't click off so soon, and you get more fuel in your tank. If you top off your tank, you can get more consistently filled tanks.

I created a spreadsheet to calculate my mpg per fill-up. It also tells how much I spend per fill-up, per month and per year.
When I fill up, I write down the mileage that I got since the previous fill-up and write that on my receipt. I use the Trip A to tell me my mileage. I zero it out after I fill up, so next time it tells me exactly how far I got on that tank (I use the Trip B for oil change mileage).
I use the receipt info and the mileage that I wrote down to fill out the spreadsheet and it does the rest.
It took a little work to set up the spreadsheet, but once setup, it's terrific.