Convert pennyweight to kilogram
Enter the value to convert from pennyweight to kilogram.
Result: 25 pennyweights (dwt) = 0.038879346 kilograms (kg)
How to Convert Pennyweight to Kilogram
Converting pennyweight to kilogram is straightforward using our conversion calculator.
Conversion Formula
kg = dwt ÷ 643.014931373Reverse conversion: Convert kilogram to pennyweight
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg