About the Units
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
slug (slug)
A unit of mass equal to approximately 14.59 kilograms, defined as the mass that is accelerated at 1 ft/s² by a force of 1 pound.
Common Conversions
- 1 gr = 0.0000044401363 slug
- 225218.3 gr = 1 slug