Convert 21 Milligrams to Kilograms

How heavy is 21 milligrams? How much does 21 milligrams weigh in kilograms? 21 mg to kg conversion.
Amount
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21 Milligrams =
0.000021 Kilograms
exact result
Decimal places
Result in Plain English
21 milligrams is equal to exactly 21 millionths of a kilogram.
In Scientific Notation
21 milligrams
= 2.1 x 101 milligrams
= 2.1 x 10-5 kilograms
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
Kilograms
The kilogram, or kilogramme, is the base unit of weight in the Metric system. It is the approximate weight of a cube of water 10 centimeters on a side.
Common abbreviations: kg, kilo
Milligrams to Kilograms Conversions
results may be rounded
mg kg
21.00 0.000021
21.01 0.00002101
21.02 0.00002102
21.03 0.00002103
21.04 0.00002104
21.05 0.00002105
21.06 0.00002106
21.07 0.00002107
21.08 0.00002108
21.09 0.00002109
21.10 0.0000211
21.11 0.00002111
21.12 0.00002112
21.13 0.00002113
21.14 0.00002114
21.15 0.00002115
21.16 0.00002116
21.17 0.00002117
21.18 0.00002118
21.19 0.00002119
21.20 0.0000212
21.21 0.00002121
21.22 0.00002122
21.23 0.00002123
21.24 0.00002124
21.25 0.00002125
21.26 0.00002126
21.27 0.00002127
21.28 0.00002128
21.29 0.00002129
21.30 0.0000213
21.31 0.00002131
21.32 0.00002132
21.33 0.00002133
mg kg
21.34 0.00002134
21.35 0.00002135
21.36 0.00002136
21.37 0.00002137
21.38 0.00002138
21.39 0.00002139
21.40 0.0000214
21.41 0.00002141
21.42 0.00002142
21.43 0.00002143
21.44 0.00002144
21.45 0.00002145
21.46 0.00002146
21.47 0.00002147
21.48 0.00002148
21.49 0.00002149
21.50 0.0000215
21.51 0.00002151
21.52 0.00002152
21.53 0.00002153
21.54 0.00002154
21.55 0.00002155
21.56 0.00002156
21.57 0.00002157
21.58 0.00002158
21.59 0.00002159
21.60 0.0000216
21.61 0.00002161
21.62 0.00002162
21.63 0.00002163
21.64 0.00002164
21.65 0.00002165
21.66 0.00002166
21.67 0.00002167
mg kg
21.68 0.00002168
21.69 0.00002169
21.70 0.0000217
21.71 0.00002171
21.72 0.00002172
21.73 0.00002173
21.74 0.00002174
21.75 0.00002175
21.76 0.00002176
21.77 0.00002177
21.78 0.00002178
21.79 0.00002179
21.80 0.0000218
21.81 0.00002181
21.82 0.00002182
21.83 0.00002183
21.84 0.00002184
21.85 0.00002185
21.86 0.00002186
21.87 0.00002187
21.88 0.00002188
21.89 0.00002189
21.90 0.0000219
21.91 0.00002191
21.92 0.00002192
21.93 0.00002193
21.94 0.00002194
21.95 0.00002195
21.96 0.00002196
21.97 0.00002197
21.98 0.00002198
21.99 0.00002199
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