Imperial to Metric Mass & weight Chart conversion guide (stone,ounce,grams,Pounds)
Exactly 64.79891 milligrams.
Exactly 453.59237 grams by definition.
A person's weight is often quoted in stone and pounds in English-speaking countries that use the avoirdupois system, with the exception of the United States and Canada, where it is usually quoted in pounds.
One quarter is equal to two stone or a quarter of a hundredweight. The term quarter was also commonly used to refer to a quarter of a pound in a retail context.
One imperial hundredweight is equal to eight stone. This is the long hundredweight as opposed to the short hundredweight of 100 pounds as used in the United States and Canada.
As with the US and Canadian systems, twenty hundredweights equal a ton. The imperial hundredweight is 12% greater than the US and Canadian equivalent. The imperial ton (or long ton) is 2,240 pounds, which is much closer to a metric tonne (about 2,204.6 pounds), compared to the short ton of 2,000 pounds (907.185 kg).