The Money Mustache Community
Learning, Sharing, and Teaching => Ask a Mustachian => Topic started by: scrubbyfish on January 05, 2014, 11:55:57 AM
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Can you please help me figure out how much I spend on gas per (city) kilometer?
My car does 28 MPG City / 35 Hwy.
I paid 1.379 per litre last fill up.
A website posts this location's current price as "126.8", but I don't know what that means.
Is more info needed to do the calculation?
My ultimate goal is to have awareness/consciousness about how much each trip (stores, support meetings, etc) costs me so I can look at adjusting my lifestyle. I can Google Map the distance, but am stuck around the per km fuel cost.
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Assuming that MPG is miles per *imperial* gallon:
28 MPG * 1.61 km per mile / 4.55 liters per imperial gallon = 9.9 km per liter or about 10.1 liters per 100 km. So, for every 10 km of city driving, you use about 1 liter of gas.
That makes it simple for you: at $1.268 per liter, it's about $0.12 per km in the city.
(Edited to fix math)
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Your math is flawed, 1l per km would be insane!
10l/100km is 0.1l/km so it's more like 0.12$ per km
I didn't check the rest oft math but looks about right
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Yes, you are right. Decimal point problem.
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Ah, thank you, super fast mathie people!!!
I was struggling and struggling with this.
Very grateful.
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Seeing how you did the math helped me find some related resources (in case others have this question, too):
http://blogs.vancouversun.com/2012/07/11/how-much-does-it-cost-to-drive-one-kilometre/
(and links within this article).
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Just posted the personal results of this query over here: https://forum.mrmoneymustache.com/journals/2014-goals-sole-provider-for-self-and-child/msg191799/#msg191799 Thanks, again, SoftwareGoddess and Half-Borg!