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by MadMike on October 26th, 2006
From the days of my misspent youth( and most of my middle age) it is best to check the scale at 4 or 5 ranges. say 10 grams and 35 grams, 125 grams, 350 grams and 450 grams. The use of a good volume-metric flask can help as well ; take the tare weight of the flask and then fill to the marked line on the neck, this will tell you if the water weight is near right. A good set of brass standards would be a reasonable investment. Stacks of NEW coins can be used as a known load as well. You should never expect accurate measurements at the extreme range of the scale, low or high. Last but not least, have a friend with a good electronic dope scale check yours against his. Typically they have a range of from .05 grams to 65 or 125 grams and should help you check out the low end accuracy of your instrument. Remember 31 grams to the troy oz. and 12 ozs. to the troy lb. &
5 carats to the gram. A 500 gram scale is not the right toy to use on carat stones and it's a rare project that uses 16 troy ozs. of silver or gold.
by EL1 2 on October 18th, 2006
A liter of water is almost exactly 1 kilogram. Measure out an exact 1/2 liter. (If you don't have liter measurements, each gallon is 3.7854118 kilograms).
You can also check the weight on various soup cans.
by PhastPhred on June 11th, 2009
I confirm the current U.S. Nickel is the wat to go!
U.S. Mint says each one is 5.000 (That's thousandths!) Grams.
20 is a Hundred Grams, 50 is Two Hundred Fifty Grams, etc, etc.
40 Nickels to a roll, so two and a half rolls equals your 500G!
(Remember, take off the paper wrapper on the nickels!)
by Anonymous on March 27th, 2007
I wonder if some over-the-counter pills might be useful. Surely, some contain additional binders and other inert ingredients, but some are probably fairly pure, and I would expect that the weights ought to be very precise. For example, a standard aspirin tablet is 325 milligrams of aspirin. I would not expect it to contain any significant amount of other ingredients, so I would expect it to weight very close to exactly 325 milligrams. So, if you count out 1,538 standard aspirin tablets, then break one more tablet in half and add just one of these halves to the 1,538 whole tablets, you should have almost exactly 500 grams.
Of course, that's an awful lot of pills to count out.
I can also think of glucose tablets, sold for use by diabetics, that are 4 grams each. It'd only take 125 of those to make 500 grams. However, these contain some unknown amount of flavoring and coloring ingredients; I can't say how much these ingredients add to the weight of the tablets.
by Darryl61 on October 18th, 2006
I noticed that a 1 lb. box of Arm and Hammer baking soda is listed at 454 grams net weight. I can't confirm if the box weighs more or less than the remaining 46 grams but it's probably pretty darn close. (I know, close isn't quite what you're after).
by scaleman on November 4th, 2008
A scale can only be as accurate as the standard used. You might contact a local scale company that does that for a living, that is registered with the state department of weights & measures.
by superpanda09 on April 6th, 2011
a full bottle of water 16.9 ounces or so without the cap calibrates a scale just fine. thank you to the creativness of all stoners!!!! :))
by Wickels on March 27th, 2007
a nickel weighs 5 grams. that is what i've used.
by Anonymous on September 30th, 2008
well i just had the same problem with my scale so i used a scale that my friend had and weighed out things that equaled 500 grams an put it on my scale to recalibrate it.
by mjdhvac on January 8th, 2011
Your answer is, 1000, 500 milligram hard pills. Example 2- 500 millagram pills weigh 1 gram. Note n Jell or capsel type pills
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You're reading I need to calibrate a 500 gram jewelry scale. Can someone tsuggest a household item, besides coins, that weighs exactly 500 grams, or even something that weighs 100 grams?
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Comments
Wow. Great answer. I'd say you know your weights and measures. Great idea about the flask, too. So what's a 500g scale typically used for, anyway? Just wondering. My youth was misspent too, BTW.
by Jodie44 on October 26th, 2006