Forum Discussion
Hobo_the_Wonder_Dog
Dec 08, 2019Copper Contributor
Calculating MPG including Partial Fill-ups
I need a way to calculate MPG even when there are not total fill-ups. Example: Gas prices are lower in the next state so, I only purchase $25 of fuel to get me to the cheaper fuel. When I get to th...
mathetes
Dec 08, 2019Silver Contributor
Here's a radical suggestion, since you don't want to rely on memory: paper and pencil.
Have a little notebook with you in your car and write down the amount of gas purchased each time, not just when it's "partial." BECAUSE it is in fact a partial fill-up every time, even though it may be quite low. Assuming you want to be anywhere near accurate with your MPG calculations, you need not only to have the miles driven be accurate but also the gallons of gas.