Convert 1 Grain to Milligrams

How heavy is 1 grain? How much does 1 grain weigh in milligrams? 1 gr to mg conversion.
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1 Grain =
64.79891 Milligrams
exact result
Decimal places
Result in Plain English
1 grain is equal to about 64.8 milligrams.
In Scientific Notation
1 grain
= 1 x 100 grains
≈ 6.47989 x 101 milligrams
Grains
A grain is a unit of weight originally based on the weight of a seed, but now defined as 1/7000th of a pound. It is used to weigh bullets, arrows, and sometimes medication.
Milligrams
A milligram is 1/1000th of a gram. It is the approximate weight of a cube of water 1 millimeter on a side.
Abbreviation: mg
Grains to Milligrams Conversions
results may be rounded
gr mg
1.00 64.799
1.01 65.447
1.02 66.095
1.03 66.743
1.04 67.391
1.05 68.039
1.06 68.687
1.07 69.335
1.08 69.983
1.09 70.631
1.10 71.279
1.11 71.927
1.12 72.575
1.13 73.223
1.14 73.871
1.15 74.519
1.16 75.167
1.17 75.815
1.18 76.463
1.19 77.111
1.20 77.759
1.21 78.407
1.22 79.055
1.23 79.703
1.24 80.351
1.25 80.999
1.26 81.647
1.27 82.295
1.28 82.943
1.29 83.591
1.30 84.239
1.31 84.887
1.32 85.535
1.33 86.183
gr mg
1.34 86.831
1.35 87.479
1.36 88.127
1.37 88.775
1.38 89.422
1.39 90.070
1.40 90.718
1.41 91.366
1.42 92.014
1.43 92.662
1.44 93.310
1.45 93.958
1.46 94.606
1.47 95.254
1.48 95.902
1.49 96.550
1.50 97.198
1.51 97.846
1.52 98.494
1.53 99.142
1.54 99.790
1.55 100.44
1.56 101.09
1.57 101.73
1.58 102.38
1.59 103.03
1.60 103.68
1.61 104.33
1.62 104.97
1.63 105.62
1.64 106.27
1.65 106.92
1.66 107.57
1.67 108.21
gr mg
1.68 108.86
1.69 109.51
1.70 110.16
1.71 110.81
1.72 111.45
1.73 112.10
1.74 112.75
1.75 113.40
1.76 114.05
1.77 114.69
1.78 115.34
1.79 115.99
1.80 116.64
1.81 117.29
1.82 117.93
1.83 118.58
1.84 119.23
1.85 119.88
1.86 120.53
1.87 121.17
1.88 121.82
1.89 122.47
1.90 123.12
1.91 123.77
1.92 124.41
1.93 125.06
1.94 125.71
1.95 126.36
1.96 127.01
1.97 127.65
1.98 128.30
1.99 128.95
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