Convert pennyweight [pwt] to grain [gr] Online | Free weight-and-mass Converter
Pennyweight (pwt)
The pennyweight (pwt) is a unit of mass traditionally used in the precious metals and jewelry industries. It is part of the troy and apothecary weight systems.
One pennyweight equals 1/20 of a troy ounce, or 24 grains, which is approximately 1.555 grams.
Pennyweights are commonly used to measure gold, silver, and gemstones, offering a precise small-scale weight unit for valuable materials.
Summary:
1 pennyweight = 1/20 troy ounce ≈ 1.555 grams
Used mainly in precious metals and jewelry
Part of the troy weight system
Grain [gr]
The grain (gr) is one of the oldest units of mass, traditionally used in various weight systems including troy, apothecary, and avoirdupois.
One grain is defined as exactly 64.79891 milligrams (0.0648 grams). It was originally based on the weight of a single grain of barley or wheat.
Grains are still commonly used today to measure small quantities such as the weight of bullets, arrows, and some pharmaceuticals.
Summary:
1 grain = 64.79891 milligrams (0.0648 grams)
Used in troy, apothecary, and avoirdupois systems
Common in ammunition and medicine measurements