Grams to micrograms converter
Micrograms (µg)
1 gram = 1,000,000 micrograms
How to convert grams to micrograms
µg = g × 1000000
Multiply the number of grams by 1000000 to get micrograms. Going the other way, divide by 1000000 (or multiply by 0.000001).
One gram is exactly defined as 1000000 micrograms (to 12 significant figures), and one microgram is 0.000001 grams.
Worked examples
- Convert 5 grams: 5 × 1000000 = 5,000,000 5,000,000 micrograms.
- Convert 12.5 grams: 12.5 × 1000000 = 12,500,000 12,500,000 micrograms.
- Convert 250 grams: 250 × 1000000 = 250,000,000 250,000,000 micrograms.
Quick-reference table
| g | µg |
|---|---|
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 3 | 3,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 15 | 15,000,000 |
| 20 | 20,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 75 | 75,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
| µg | g |
|---|---|
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 15 | 0.000015 |
| 20 | 0.00002 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 75 | 0.000075 |
| 100 | 0.0001 |
| 1,000 | 0.001 |
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Frequently asked questions
How many micrograms are in 1 gram?
1 gram equals 1,000,000 micrograms.
What is the formula to convert grams to micrograms?
Use µg = g × 1000000. Multiply the number of grams by 1000000 to get micrograms. Going the other way, divide by 1000000 (or multiply by 0.000001).
What is 100 grams in micrograms?
100 grams is 100,000,000 micrograms.