Milligrams Conversion

Scales are used to measure weight

The milligram is a unit used to measure weight. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about milligrams.

Milligram Conversion Calculators

Choose a unit of weight to convert to.

US Customary & Imperial Units
Convert milligrams to tons
1 milligram is equal to 1.1023E-9 tons
Convert milligrams to pounds
1 milligram is equal to 2.2046E-6 pounds
Convert milligrams to ounces
1 milligram is equal to 3.5274E-5 ounces
SI Units
Convert milligrams to metric tons
1 milligram is equal to 1.0E-9 metric tons
Convert milligrams to kilograms
1 milligram is equal to 1.0E-6 kilograms
Convert milligrams to grams
1 milligram is equal to 0.001 grams
Other Units
Convert milligrams to long tons
1 milligram is equal to 9.8421E-10 long tons
Convert milligrams to carats
1 milligram is equal to 0.005 carats

Milligram Definition and Usage

The milligram is the mass equal to 1/1,000 of a gram, or 0.0154 grains.

The milligram, or milligramme, is an SI unit of weight in the metric system. In the metric system, "milli" is the prefix for 10-3. Milligrams can be abbreviated as mg, for example 1 milligram can be written as 1 mg.

Milligrams Measurement Conversion Table

Common milligram values and equivalent imperial and metric weight measurements
milligrams tons pounds ounces metric tons long tons kilograms grams carats
1 mg 0.0000000011023 t 0.0000022046 lb 0.000035274 oz 0.000000001 t 0.00000000098421 lt 0.000001 kg 0.001 g 0.005 ct
2 mg 0.0000000022046 t 0.0000044092 lb 0.000070548 oz 0.000000002 t 0.0000000019684 lt 0.000002 kg 0.002 g 0.01 ct
3 mg 0.0000000033069 t 0.0000066139 lb 0.000106 oz 0.000000003 t 0.0000000029526 lt 0.000003 kg 0.003 g 0.015 ct
4 mg 0.0000000044092 t 0.0000088185 lb 0.000141 oz 0.000000004 t 0.0000000039368 lt 0.000004 kg 0.004 g 0.02 ct
5 mg 0.0000000055116 t 0.000011023 lb 0.000176 oz 0.000000005 t 0.000000004921 lt 0.000005 kg 0.005 g 0.025 ct
6 mg 0.0000000066139 t 0.000013228 lb 0.000212 oz 0.000000006 t 0.0000000059052 lt 0.000006 kg 0.006 g 0.03 ct
7 mg 0.0000000077162 t 0.000015432 lb 0.000247 oz 0.000000007 t 0.0000000068894 lt 0.000007 kg 0.007 g 0.035 ct
8 mg 0.0000000088185 t 0.000017637 lb 0.000282 oz 0.000000008 t 0.0000000078737 lt 0.000008 kg 0.008 g 0.04 ct
9 mg 0.0000000099208 t 0.000019842 lb 0.000317 oz 0.000000009 t 0.0000000088579 lt 0.000009 kg 0.009 g 0.045 ct
10 mg 0.000000011023 t 0.000022046 lb 0.000353 oz 0.00000001 t 0.0000000098421 lt 0.00001 kg 0.01 g 0.05 ct
11 mg 0.000000012125 t 0.000024251 lb 0.000388 oz 0.000000011 t 0.000000010826 lt 0.000011 kg 0.011 g 0.055 ct
12 mg 0.000000013228 t 0.000026455 lb 0.000423 oz 0.000000012 t 0.00000001181 lt 0.000012 kg 0.012 g 0.06 ct
13 mg 0.00000001433 t 0.00002866 lb 0.000459 oz 0.000000013 t 0.000000012795 lt 0.000013 kg 0.013 g 0.065 ct
14 mg 0.000000015432 t 0.000030865 lb 0.000494 oz 0.000000014 t 0.000000013779 lt 0.000014 kg 0.014 g 0.07 ct
15 mg 0.000000016535 t 0.000033069 lb 0.000529 oz 0.000000015 t 0.000000014763 lt 0.000015 kg 0.015 g 0.075 ct
16 mg 0.000000017637 t 0.000035274 lb 0.000564 oz 0.000000016 t 0.000000015747 lt 0.000016 kg 0.016 g 0.08 ct
17 mg 0.000000018739 t 0.000037479 lb 0.0006 oz 0.000000017 t 0.000000016732 lt 0.000017 kg 0.017 g 0.085 ct
18 mg 0.000000019842 t 0.000039683 lb 0.000635 oz 0.000000018 t 0.000000017716 lt 0.000018 kg 0.018 g 0.09 ct
19 mg 0.000000020944 t 0.000041888 lb 0.00067 oz 0.000000019 t 0.0000000187 lt 0.000019 kg 0.019 g 0.095 ct
20 mg 0.000000022046 t 0.000044092 lb 0.000705 oz 0.00000002 t 0.000000019684 lt 0.00002 kg 0.02 g 0.1 ct