Pennyweights
A measure of Troy weight equalling 24 grains or the twentieth part of a Troy ounce (there are 12 ounces in a pound Troy). Pennyweight is usually abbreviated dwt.
kg =
dwt
______
643.01
Kilograms
The kilogram is the base unit of mass in the International (SI) System of Units, and is accepted on a day-to-day basis as a unit of weight (the gravitational force acting on any given object).
The kilogram is almost exactly equal to the mass of one litre of water.
Tell us what you think of the new site..