Milligram
Key Stage 4
Meaning
A milligram (mg) is a unit of mass which is 1000,000 times smaller than the SI Unit for mass, the kilogram.
About Milligrams
- A milligram is shortened to mg with a lower case m with a lower case g.
- Milli refers to one thousandth as there are one thousand milligrams in a gram.
- A milligram is 10-6 kilograms.
- Milligrams are usually used to describe doses of drugs.
Converting to Milligrams
| Unit | To convert | Milligrams |
| 1 megagram (1Mg) | Convert to milligrams x109. | 1x109mg |
| 1 kilogram (1kg) | Convert to milligrams x106. | 1x106mg |
| 1 gram (1g) | Convert to milligrams x103. | 1x103mg |
| 1 milligram 1(mg) | Convert to milligrams x1. | 1mg |
| 1 microgram 1(µg) | Convert to milligrams x10-3. | 1x10-3mg |
| 1 nanogram 1(ng) | Convert to milligrams x10-6. | 1x10-6mg |