StacksVerified U.S. regulatory reference

46 CFR §151.03-21

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The ratio, expressed as a percentage, of the weight of cargo that may be loaded into a tank compared to the weight of water that the tank will hold at 60 °F. The weight of a gallon of water at 60 °F in air shall be 8.32828 pounds.