Milligrams Conversion

Enter a value in milligrams below to convert to another unit of weight.

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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

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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.

How Much is a Milligram?

If you're here, then there's a good chance you might be wondering just how much is a milligram? The chart below shows how much a milligram is in other measures of weight.

Common milligram values and equivalent imperial and metric weight measurements
milligrams tons pounds ounces metric tons kilograms grams calories long tons carats
1 mg 0.0000000011023 t 0.0000022046 lb 0.000035274 oz 0.000000001 t 0.000001 kg 0.001 g 0.007716 kcal 0.00000000098421 lt 0.005 ct
2 mg 0.0000000022046 t 0.0000044092 lb 0.000070548 oz 0.000000002 t 0.000002 kg 0.002 g 0.015432 kcal 0.0000000019684 lt 0.01 ct
3 mg 0.0000000033069 t 0.0000066139 lb 0.000106 oz 0.000000003 t 0.000003 kg 0.003 g 0.023149 kcal 0.0000000029526 lt 0.015 ct
4 mg 0.0000000044092 t 0.0000088185 lb 0.000141 oz 0.000000004 t 0.000004 kg 0.004 g 0.030865 kcal 0.0000000039368 lt 0.02 ct
5 mg 0.0000000055116 t 0.000011023 lb 0.000176 oz 0.000000005 t 0.000005 kg 0.005 g 0.038581 kcal 0.000000004921 lt 0.025 ct
6 mg 0.0000000066139 t 0.000013228 lb 0.000212 oz 0.000000006 t 0.000006 kg 0.006 g 0.046297 kcal 0.0000000059052 lt 0.03 ct
7 mg 0.0000000077162 t 0.000015432 lb 0.000247 oz 0.000000007 t 0.000007 kg 0.007 g 0.054013 kcal 0.0000000068894 lt 0.035 ct
8 mg 0.0000000088185 t 0.000017637 lb 0.000282 oz 0.000000008 t 0.000008 kg 0.008 g 0.061729 kcal 0.0000000078737 lt 0.04 ct
9 mg 0.0000000099208 t 0.000019842 lb 0.000317 oz 0.000000009 t 0.000009 kg 0.009 g 0.069446 kcal 0.0000000088579 lt 0.045 ct
10 mg 0.000000011023 t 0.000022046 lb 0.000353 oz 0.00000001 t 0.00001 kg 0.01 g 0.077162 kcal 0.0000000098421 lt 0.05 ct
11 mg 0.000000012125 t 0.000024251 lb 0.000388 oz 0.000000011 t 0.000011 kg 0.011 g 0.084878 kcal 0.000000010826 lt 0.055 ct
12 mg 0.000000013228 t 0.000026455 lb 0.000423 oz 0.000000012 t 0.000012 kg 0.012 g 0.092594 kcal 0.00000001181 lt 0.06 ct
13 mg 0.00000001433 t 0.00002866 lb 0.000459 oz 0.000000013 t 0.000013 kg 0.013 g 0.10031 kcal 0.000000012795 lt 0.065 ct
14 mg 0.000000015432 t 0.000030865 lb 0.000494 oz 0.000000014 t 0.000014 kg 0.014 g 0.108027 kcal 0.000000013779 lt 0.07 ct
15 mg 0.000000016535 t 0.000033069 lb 0.000529 oz 0.000000015 t 0.000015 kg 0.015 g 0.115743 kcal 0.000000014763 lt 0.075 ct
16 mg 0.000000017637 t 0.000035274 lb 0.000564 oz 0.000000016 t 0.000016 kg 0.016 g 0.123459 kcal 0.000000015747 lt 0.08 ct
17 mg 0.000000018739 t 0.000037479 lb 0.0006 oz 0.000000017 t 0.000017 kg 0.017 g 0.131175 kcal 0.000000016732 lt 0.085 ct
18 mg 0.000000019842 t 0.000039683 lb 0.000635 oz 0.000000018 t 0.000018 kg 0.018 g 0.138891 kcal 0.000000017716 lt 0.09 ct
19 mg 0.000000020944 t 0.000041888 lb 0.00067 oz 0.000000019 t 0.000019 kg 0.019 g 0.146607 kcal 0.0000000187 lt 0.095 ct
20 mg 0.000000022046 t 0.000044092 lb 0.000705 oz 0.00000002 t 0.00002 kg 0.02 g 0.154324 kcal 0.000000019684 lt 0.1 ct

Other Weight Units

US Customary & Imperial Units
SI Units
Body Weight
Other Units