A kilogram (2.2 lbs) is much too massive to be a calculator. Most likely a modern calculator would way a few grams.
grams
On average a calculator weighs about 100 grams.
Depends on their dates. Pennies before 1982 weigh 3.11 grams. Pennies from 1983 to now weigh 2.5 grams. Pennies dated 1982 could weigh either amount. An ounce equals 28.35 grams. Separate your coins into piles by date and get out your calculator.
Quarters minted after 1965 weigh 5.67 grams each. Grab your calculator and go from there.
Morgan dollars weigh about 26.7 grams and they're 90% silver. Grab your calculator and go from there.
The current British Penny weighs 3.56 grams. The current British Twopence weighs 7.12 grams. I leave the rest to you and your calculator.
he much does a liter of rice weigh in grams
How much does 100 ml of vinegar weigh in grams?
250 grams
80 grams
They weigh in grams. Roughly around 20 or so grams