Pennyweights to grams
One pennyweight (dwt) is 1.55517384 g, and twenty of them make a troy ounce. North American jewellers and dental alloy suppliers still quote it.
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Common values
Formula
g = dwt × 1.55517384
It rests on the troy ounce (31.1035 g), not the ordinary ounce (28.35 g). Mixing the two throws the weight off by nearly ten percent.
Frequently asked questions
QHow many g is 1 dwt?
1 dwt is 1.5552 g, and 10 dwt is 15.5517 g. Type any value in the box above to convert instantly.
QAnd how many dwt is 1 g?
1 g is 0.643 dwt. This converter works both ways, so typing in the right box updates the left one.
QWhere is this unit used?
It rests on the troy ounce (31.1035 g), not the ordinary ounce (28.35 g). Mixing the two throws the weight off by nearly ten percent.
Other converters
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Traditional units (geun, doe, majigi and so on) vary by region and product.