Can Specific Gravity be converted to weight? if so, can you please explian in plain english.
Thanks
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Convert Specific Gravity
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Our forum has been available for many years. In September 2014 we decided to switch it to read-only mode. Month after month we saw less posts with questions and answers from real people and more spam posts. We were spending more and more resources cleaning the spam until there were less them 1 legitimate message per 100 spam posts. Then we decided it's time to stop.
All the posts in the forum will be available and searchable. We understand there are a lot of useful information and we aren't going to remove anything. As for the new questions, you can always ask them on convert-me.com FaceBook page
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Re: Convert Specific Gravity
by Guest » Thu Jul 02, 2009 5:26 pm
tskauffmani1 wrote:Can Specific Gravity be converted to weight? if so, can you please explian in plain english.
Thanks
It can be converted to density which is the ratio of mass to volume.
Specific gravity is the ratio of a substance's density to the density of water. The density of water is actually slightly temperature dependent, but in the usual temperature range it is approximately 1 kg/L. So SG is approximately also the density in kilograms per liter. Because everything in metric is powers of ten, the density in units of kg/L, g/mL and t/m³ are numerically equal.
For higher accuracy, if you know the temperature at which SG was measured, you can look up the density of water and multiply by it as a correction.
To get to a known mass or weight, you will have to specify a volume and multiply by it.
As an example, the SG of gasoline (or density in kg/L) is about 0.75. The weight of gasoline in a 20 L jerrycan is about 15 kg.
(In Customary units, the conversion is a PITA)
- Guest
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