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Mcg to mg Converter (Micrograms to Milligrams)

1 microgram = 0.001 milligrams. To convert µg to mg, multiply by 0.001, or divide by 1,000.

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100 µg = 0.1 mg

1 µg
0.001 mg
1 mg
1,000 µg
10 µg
0.01 mg
100 µg
0.1 mg

How to convert mcg to mg

1 microgram equals 0.001 milligrams, so the conversion is a single multiplication.

mg = µg × 0.001

Example: 150 µg × 0.001 = 0.15 mg.

1 microgram in every weight unit

Pounds2.205e-9 lb
Kilograms1e-9 kg
Grams0.000001 g
Ounces3.527e-8 oz
Stone1.575e-10 st
Milligrams0.001 mg
Metric Tons1e-12 t
Short Tons (US)1.102e-12 ton
Long Tons (UK)9.842e-13 LT
Carats0.000005 ct
Grains0.00001543 gr
Troy Ounces3.215e-8 oz t
Troy Pounds2.679e-9 lb t
Pennyweights6.43e-7 dwt
Slugs6.852e-11 slug
Hundredweight (US)2.205e-11 US cwt
Hundredweight (UK)1.968e-11 UK cwt
mg to mcgReverse conversionmg to Grams1 mg = 0.001 gGrams to mg1 g = 1,000 mg

Quick answers

How many ounces in a pound?16 ouncesHow many grams in an ounce?28.35 gramsHow many pounds in a ton?2,000 pounds

mcg to mg FAQ

How many milligrams are in a microgram?

1 microgram = 0.001 milligrams.

How many micrograms are in a milligram?

1 milligram = 1,000 micrograms.

How do I convert µg to mg?

Use mg = µg × 0.001. For example, 10 µg = 0.01 mg.

Can I print this mcg to mg chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.