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Free Weight Converter

Grain to Atomic Mass Unit Converter.

The smallest common unit in the avoirdupois system, used in ballistics and medicine. Converting to atomic mass units: Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics. One grain equals 3.902282e+22 u.

Result

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All units

Conversion formula

Multiply the grain value by 3.902282e+22 to get atomic mass units. (factor: 3.902282e+22)

1 gr = 3.902282e+22 u

Quick reference table

gru
0.000001 gr3.902282e+16 u
0.00001 gr3.902282e+17 u
0.0001 gr3.902282e+18 u
0.001 gr3.902282e+19 u
0.01 gr3.902282e+20 u
0.1 gr3.902282e+21 u
1 gr3.902282e+22 u

Need the reverse? Try ourAtomic Mass Unit to Grain.

Grain to Atomic Mass Unit FAQ

How many atomic mass units are in one grain?

One grain equals 3.902282e+22 u. Multiply by 3.902282e+22 to convert any value.

How do you convert gr to u?

Multiply the grain value by 3.902282e+22 to get atomic mass units.

When would you use grains vs atomic mass units?

The smallest common unit in the avoirdupois system, used in ballistics and medicine. Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics.