CGA P-11是一个关于用于表示（1）压缩气体容器中气体体积和/或质量，（2）压力和（3）容器水容量的单位的指南。它包括体积、压力、质量和其他与压缩气体行业相关的转换系数。本出版物不适用于未使用公制或国际单位制的计量单位。

CGA P-11 is a guide concerning units that are to be used to express (1) the volume and/or mass of gas in compressed gas containers, (2) pressure, and (3) container water capacities. It includes volume, pressure, mass, and other conversion factors pertinent to the compressed gas industry.This publication does not apply to units of measure when metric or SI units are not used.