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To the nearest 50, how many grains of sugar in an ounce of sugar?

Question #105824. Asked by delboy22.
Last updated Jun 05 2021.

avatar
CapainNemo
Answer has 4 votes
CapainNemo
15 year member
105 replies avatar

Answer has 4 votes.
This page thinks that the average weight of a grain of sugar is 0.2milligrams

There are approximately 28350 milligrams in an ounce.

Therefore - if my sums are right - there are around 141,750 grains in an ounce of sugar.
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A grain of sugar weighs approximately 0.000625 grams according to this site

link https://www.themeasureofthings.com/results.php?comp=weight&unit=gms&amt=0.0044&sort=pr&p=1#:~:text=A%20grain%20of%20sugar%20weighs%20approximately%200.000625%20grams.,a%20Poppy%20Seed%20is%200.067%20times%200.0044%20grams.

Updated by satguru (moderator) 2/6/21

Response last updated by satguru on Jun 02 2021.
May 25 2009, 5:57 AM
avatar
delboy22 star
Answer has 2 votes
delboy22 star
17 year member
21 replies avatar

Answer has 2 votes.
There are 31103 mg to an ounce, therefore if a grain has an average weight of 0.2 mg, there are 5 grains to the mg, therefore 155515 grains to the ounce :)

I just realised that I'm working on TROY Ounces and your (correct) conversion used MASS Ounces.

Now have an accurate assessment of the number of grains of suger in whatever ounce you wish to use ! lol

May 25 2009, 6:21 AM
Watchkeeper
Answer has 5 votes
Currently Best Answer
Watchkeeper
17 year member
412 replies

Answer has 5 votes.

Currently voted the best answer.
Here's another way of looking at it. A grain is a unit of weight just like the ounce and the pound. It is equivalent to 64.8 milligrams. There are 7000 grains to 1 lb (avoirdupois), and therefore 437.5 grains to 1 oz (avoirdupois).

"The grain is a very small unit which is the basis of all three Imperial weight systems, the avoirdupois, the troy and the apothecaries. It was originally the weight of a grain of wheat."

Thus there are 437.5 grains of sugar in an ounce of sugar. Indeed, there are 437.5 grains of anything (lead, feathers etc) in an ounce.

It all depends on what you mean by "grain" ...

;-)

link https://www.merriam-webster.com/dictionary/weight#table

Response last updated by CmdrK on Jun 05 2021.
May 25 2009, 6:54 AM
avatar
delboy22 star
Answer has 2 votes
delboy22 star
17 year member
21 replies avatar

Answer has 2 votes.
Excellent reply Watchkeeper, you spotted my ambiguity in the question - I hinted at it in my reply to CaptainNemo, by mentioning TROY ounces :)

May 25 2009, 6:59 AM
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