The milligram conversion selector selects the mass/weight measurement unit to convert to starting from milligrams (mg). To make a conversion starting from a unit of mass other than milligram, simply click on the "Reset" button.
The milligram is a unit of mass in the metric system equal to 10-6 kilograms (1 mg = 10-6 kg), the base unit of mass in the International System of Units (SI).
The milligram (mg) is also equal to 0.001 grams (g), or 1,000 micrograms (μg) or 106 nanograms (ng) (SI units of mass), or approximately 2.20462 × 10-6 pounds (lb) or 35.27396 × 10-6 ounces (oz), which are US customary / Imperial units of mass.
Also known as: milligramme (plural: milligrammes, traditional British-English spelling)