Pennyweight is mass unit, symbol: [dwt; pwt]. Definition of 1 pennyweight ≡ 1⁄20 oz t . = 1.55517384 g. Compared to kilogram, pennyweight is smaller unit.
• 1 [dwt; pwt] = (exactly) `0.00155517384` [kg]
• 1 [kg] = (exactly) `1/(0.00155517384)` [dwt; pwt] = 643.01493137256 [dwt; pwt]
Multiply convert of pennyweight to common mass units:[dwt; pwt]
Mass units sort by name in ABC order
National Institute of Standards and Technology (October 2011). Butcher, Tina; Cook, Steve; Crown, Linda et al. eds. Appendix C – General Tables of Units of Measurement (PDF) p. C-6. http://www.nist.gov/pml/wmd/pu...