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