How many micrograms are in one gram?
One gram is exactly 1,000,000 micrograms.
Convert Gram (g) to Microgram (mcg) instantly.
Choose how you want the answer displayed.
1g=1000000mcg
| Quick Conversion | Converted |
|---|---|
| 1 g | 1,000,000 mcg |
| 5 g | 5,000,000 mcg |
| 10 g | 10,000,000 mcg |
| 28.35 g | 28,350,000 mcg |
| 50 g | 50,000,000 mcg |
| 100 g | 100,000,000 mcg |
| 250 g | 250,000,000 mcg |
| 1,000 g | 1,000,000,000 mcg |
A gram is a metric mass unit equal to one thousandth of a kilogram.
Grams are used for food, packaging, recipes, lab samples, parcels, and small product weights.
A microgram is a metric mass unit equal to one millionth of a gram.
Micrograms are used for very small quantities in medicine, nutrition, chemistry, environmental testing, and laboratory work.
Mathematically, microgram (mcg) = gram (g) multiplied by the conversion factor shown below.
1 g = 1,000,000 mcg
1 mcg = 0.000001 g
1 g x 1,000,000 = 1,000,000 mcg
The mass in microgram (mcg) is the mass in gram (g) multiplied by 1,000,000.
mass(mcg) = mass(g) x 1,000,000
Or:
mcg = g x 1,000,000
Formula: value × 1000000
Example: 15 g = 15,000,000 mcg
Convert 28.35 gram to microgram:
28.35 g x 1,000,000 = 28,350,000 mcg
Convert 250 gram to microgram:
250 g x 1,000,000 = 250,000,000 mcg
Precision note: Use the exact factor of 1,000,000 micrograms per gram. Prefer grouped digits or scientific notation when values become large.
1 g = 1,000,000 mcg
1 mcg = 0.000001 g
If you are starting with microgram instead, use the micrograms to grams page.
| Gram [g] | Microgram [mcg] |
|---|---|
| 0.1 g | 100,000 mcg |
| 0.5 g | 500,000 mcg |
| 2 g | 2,000,000 mcg |
| 3 g | 3,000,000 mcg |
| 15 g | 15,000,000 mcg |
| 20 g | 20,000,000 mcg |
| 30 g | 30,000,000 mcg |
| 75 g | 75,000,000 mcg |
| 150 g | 150,000,000 mcg |
| 200 g | 200,000,000 mcg |
| 500 g | 500,000,000 mcg |
| 750 g | 750,000,000 mcg |
One gram is exactly 1,000,000 micrograms.
One microgram is exactly 0.000001 grams.
Use micrograms for trace quantities, vitamins, medication-strength references, contaminants, and very small lab measurements.