Convert picogram to stone (US)
Please provide values below to convert picogram [pg] to stone (US) [st (US)], or Convert stone (US) to picogram.
How to Convert Picogram to Stone (Us)
1 pg = 1.5747304441777e-16 st (US)
Example: convert 15 pg to st (US):
15 pg = 15 × 1.5747304441777e-16 st (US) = 2.36209566626655e-15 st (US)
Picogram to Stone (Us) Conversion Table
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Picogram
A picogram (pg) is a unit of mass equal to one trillionth (10^-12) of a gram.
History/Origin
The picogram was introduced as part of the metric system to measure extremely small masses, especially in scientific and laboratory contexts, as a subdivision of the gram in the SI unit system.
Current Use
Picograms are used in scientific fields such as biology, chemistry, and physics to measure very small quantities of substances, including DNA, proteins, and other microscopic materials.
Stone (Us)
A stone (st) is a unit of weight primarily used in the United States, equal to 14 pounds or approximately 6.35 kilograms.
History/Origin
The stone has origins in medieval England, where it was used as a convenient weight measure for trade and commerce. Its value varied regionally before standardization, and it has been used historically for measuring human body weight and other goods.
Current Use
Today, the stone is mainly used in the UK and Ireland for body weight measurement, while in the United States, it is rarely used and often replaced by pounds or kilograms in most contexts.