Measuring Gasoline Weight

Joined
Sep 14, 2022
Messages
1,866
Check my math:

Gravity = 0.65 - 0.75 grams per milliliter

2.5 gallons = 9463.53 milliliters

0.70 grams X 9463.53 milliliters = 6624.471 grams

6624.471 grams = 233.6713 ounces

233.6713 ounces divided by 16 = 14.6044 pounds

2.5 gallons of Sinclair gasoline weighs 14.6044 pounds

Is that right?

SINCLAIR PDF
 
Yes your math works...well to sig figs it would be 15 lbs, but yes the math work.

In my head I would have said 2.5 gallons of water is about 20lbs, and 3/4 of that(.75) is 15lbs, so 14.6 makes sense(that's using the 8lbs/gallon rule, which isn't quite correct but makes for easy mental math).
 
Yes your math works...well to sig figs it would be 15 lbs, but yes the math work.

In my head I would have said 2.5 gallons of water is about 20lbs, and 3/4 of that(.75) is 15lbs, so 14.6 makes sense(that's using the 8lbs/gallon rule, which isn't quite correct but makes for easy mental math).
Water is roughly 8#/gallon, gasoline is roughly 6#/gallon. That's the easy math. :)
 
Check my math:

Gravity = 0.65 - 0.75 grams per milliliter

2.5 gallons = 9463.53 milliliters

0.70 grams X 9463.53 milliliters = 6624.471 grams

6624.471 grams = 233.6713 ounces

233.6713 ounces divided by 16 = 14.6044 pounds

2.5 gallons of Sinclair gasoline weighs 14.6044 pounds

Is that right?

SINCLAIR PDF
I guess gravity is a term that is used in the industry but a more familiar term is density. Gravity, which is really specific gravity, in this sense is the density of gasoline divided by the density of water. Nice to see someone using metric. 2.5 gallons x 6.07 lbs per gallon would yield 15.2 lbs. The gravity number used seems a bit light. I’ve seen it described as .72 .
 
Last edited:
Here is something on specific gravity.

A13E54DD-C235-4BBC-A4B7-2F45ACD89CD6.webp
 
Back
Top Bottom