petagram

See also: peta-gram

English

Etymology

peta- +‎ gram

Noun

petagram (plural petagrams)

  1. A unit of mass equal to 1,000,000,000,000,000 (1015) grams. Symbol: Pg
    Sometimes used in Carbon Dioxide numbers, it is equivalent to Metric Gigatons (Giga) 109 x (Ton) 103 x (Kg) 103 = 1015
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