This calculator allows you to convert from Proton mass to Grain and in a reverse direction. To convert from Proton mass to Grain, enter the amount of Proton mass into the first input and to convert from Grain to Proton mass, enter the amount of Grain into the second input.
1 Proton mass = 2.5812519068538E-23 Grain
To convert Proton mass to Grain: Every 1 Proton mass equals 2.5812519068538E-23 Grain. For example, 100 Proton mass equal 100 * 2.5812519068538E-23 = 2.5812519068538E-21 Grain and so on..
Proton mass to Gram | Proton mass to Kilogram | Proton mass to Milligram | Proton mass to Microgram | Proton mass to Nanogram | Proton mass to Picogram | Proton mass to Pound | Proton mass to Ton (metric) | Proton mass to Ounce |What is the grain?
The grain is a unit of mass. It is used in various systems of measurement such as avoirdupois and Apothecaries' system.
It approximately equals the mass of single seed of a cereal. It equals exactly 64.79891 milligrams.
The main use of the grain is to measure the mass of bullets. It is used also to weigh arrows in some places.
