A stone is an imperial (British) measure of weight equivalent to 14 pounds. Decimal weights are slowly being introduced so the stone is becoming less and less used.
All of them. Whatever units a country uses are 'customary' in that country.
Kilograms . It is still fairly common for Brits to express body weight in stone. A stone in this sense is 14 pounds or a little less than 7 kilograms.
Millimeter is a size measurement; carat is a weight measurement. Take the stone to a local jeweler and ask for its weight.
st = stone = 6.35 kg (approx).
SI units is what we use in the United States for the common unit of measurement for matter.
You need to specify which country used the measurement.
The abbreviation for stone as a weight measurement is st.
A physical rock "A stone" is indeed matter. However the weight measurement "stone" is not matter, it is a unit of measurement (which is applied to matter).
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Liberia, Myanmar (Burma), and the United States.
All of them. Whatever units a country uses are 'customary' in that country.
Stone is a unit of measurement for weight. As such 15 stone would mean 210Lbs. 1 Stone = 14 Lbs
Stone
The English used to use actual stones as weights to place in balances to weigh large quantities of materials.
standard Amrica is the only country to use starand measurent
Stone is a unit of measurement for weight. As such 15 stone would mean 210Lbs. 1 Stone = 14 Lbs
Every country uses the system of measurement that's 'standard' in that country. The 'Metric System' is standard for every country in the world, except three of them. Liberia, Myanmar, and the USA use pounds, inches, and gallons, innocently referred to as the 'customary' system.