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Milligrams to Micrograms Converter

Quick answer: 1 mg = 1,000 mcg. To convert milligrams to micrograms, multiply by 1,000.

mg
mcg

Micrograms = Milligrams × 1,000

Swap: Micrograms to Milligrams

Milligrams to Micrograms conversion table

MilligramsMicrograms
1 mg1,000 mcg
2 mg2,000 mcg
5 mg5,000 mcg
10 mg10,000 mcg
25 mg25,000 mcg
50 mg50,000 mcg
100 mg100,000 mcg

How to convert milligrams to micrograms

Micrograms = Milligrams × 1,000. For example, 2 mg = 2,000 mcg. Type a value in either box above: the other one updates instantly, both ways.

What is a milligram?

A milligram (mg) is one thousandth of a gram, the usual unit for medicine doses.

What is a microgram?

A microgram (mcg or µg) is one millionth of a gram, the unit used for vitamins such as B12 and D.

How do I convert milligrams to micrograms?

Use the formula Micrograms = Milligrams × 1,000. Type a value in the milligrams box and the result appears instantly.

How many micrograms are in 1 milligram?

1 mg = 1,000 mcg.

Is this converter free and private?

Yes. It is free, needs no sign-up, and the calculation runs in your browser: nothing is sent to a server.

Which ounce and pound does this use?

The international avoirdupois units used for everyday weights: 1 lb = 0.45359237 kg exactly and 1 oz = 1/16 lb = 28.35 g. A stone is 14 lb and a US short ton is 2000 lb.