500 grams is equal to approximately 1.1 pounds. 100 stacked nickels and 200 stacked pennies both weigh 500 grams. You can be certain of the weight of the coins, because every nickel is known to weigh 5 grams and every penny weighs 2.5 grams.
A standard 16.9 fluid ounce bottle of water weighs 17.6 ounces, which is equal to 500 grams. 1.1 pints of water also weigh 500 grams. You can demonstrate this by zeroing out your scale with the container you intend to fill, then adding the 1.1 pints of water to it.
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