About the Units
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
long ton (2240 lb)
A unit of mass equal to 2240 pounds or approximately 1016 kilograms.
Common Conversions
- 1 gr = 6.37755e-8 2240 lb
- 15680002.0 gr = 1 2240 lb