grams to teaspoons

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grams to teaspoons

Postby jdavis1137 » Thu Mar 25, 2004 10:18 pm

how much does 1/4 teaspoon of cinnamon weigh
jdavis1137
 

Re: grams to teaspoons

Postby Knight » Fri Mar 26, 2004 12:37 am

jdavis1137 wrote:how much does 1/4 teaspoon of cinnamon weigh

I had answered a question very similar to this a month or so back, now I can't find the post.

In any event, lets look at the problem. You have a volume of cinnamon powder (1/4 tsp) and are looking for the weight of it.

The tool you need is called specific gravity: what does a standard volume of a given substance weigh? The units for specific gravity are generally given in grams per cc. The reference value is the weight of one cc of water, which is of course, 1 gram.

In dealing with powders, we usually deal with bul density, a similar unit the incorporates the void spaces within a powder.

THe best place to find the specific gravity or bulk densities of things I know of is at http://www.powderandbulk.com/resources/bulk_density/material_bulk_density_chart_c.htm. They include just about every item you can think of!

That chart shows that the bulk density of cinnamon powder is 0.56 g/cc.

Having that data, we convert 1/4 tsp into grams There are 4.929 ccs per teaspoon so: .25 * 4.929 cc/tsp = 1.23 ccs

Then multiply 1.23 grans by 0.56 g/cc and we get 1.23 * 0.56 g/cc = 0.689 grams. (That would be 0.0243 ounces)
William J. Knight
Health Physicist
Los Alamos National Labs
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