Pennyweight, Mass

A pennyweight (symbol dwt) is an obsolete unit of mass which is the same as 24 grains, 1/240th of a troy pound, 1/20th of a troy ounce, or approximately 1.555 grams. A penny coin was literally, as well as monetarily, 1/240th of a troy pound of sterling silver. Read more >>

I want to convert:

Metric

Ton
-
Kilonewton
-
Kilogram
-
Hectogram
-
Gram
-
Carat
-
Centigram
-
Milligram
-
Microgram
-
Nanogram
-
Atomic mass unit
-

Avoirdupois (U.S.)

Long ton
-
Short ton
-
Long hundredweight
-
Short hundredweight
-
Stone
-
Pound
-
Ounce
-
Dram
-
Grain
-

Troy

Pound
-
Ounce
-
Pennyweight
-
Carat
-
Grain
-
Mite
-
Doite
-

Japanese

Koku
-
Kann
-
Kinn
-
Monnme
-

Chinese

Tael
-
Ku ping
-

Old Swedish

Skeppspund
-
Lispund
-
Skålpund
-
Mark
-
Uns
-
Lod
-
In the physical sciences, weight is the downward force exerted on matter as a result of gravity. An object's weight is equal to its mass multiplied by the magnitude of the gravitational field. The word entered Old English sometime around the 9th century, and meant the quantity measured with a balance. The word "weight" is commonly used synonymously with "mass", though the two concepts are technically quite distinct. Read more >>