Microgram is 0.000001 gram units.
Micrograms to Drams Converter — ug to dr
Convert Microgram (ug) to Dram (dr) using the exact conversion factor (1 microgram = 5.643834e-7 dram). See the formula, worked examples, and conversion table.
Micrograms to Drams converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
An avoirdupois dram is 1/16 ounce.
Result = input x 1e-9 / 0.001771845195.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms to Drams
Weight conversions between Microgram and Dram come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: Microgram is 0.000001 gram units, and an avoirdupois dram is 1/16 ounce.
Formula
drams = micrograms × 5.643834e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram equals 1e-9 base units, and 1 dram equals 0.00177184519531 base units, so dividing one by the other gives the direct microgram-to-dram factor of 5.643834e-7.
Simple example
1 ug × 5.643834e-7 = 5.643834e-7 dr
1 microgram = 5.643834e-7 drams.
Real-world example
50 ug × 5.643834e-7 = 0.0000282192 dr
50 micrograms = 0.0000282192 drams.
Conversion table
| Microgram (ug) | Dram (dr) |
|---|---|
| 1 ug | 5.643834e-7 dr |
| 5 ug | 0.0000028219 dr |
| 10 ug | 0.0000056438 dr |
| 25 ug | 0.0000141096 dr |
| 50 ug | 0.0000282192 dr |
| 100 ug | 0.0000564383 dr |
Reverse conversion: Dram to Microgram
5.643834e-7 dr × 1771845.195 = 1.000000016 ug
5.643834e-7 drams = 1.000000016 micrograms.
micrograms = drams × 1771845.19531
For a page dedicated to this direction, see Dram to Microgram.
Understanding the Microgram (ug)
Microgram is 0.000001 gram units.
Understanding the Dram (dr)
An avoirdupois dram is 1/16 ounce.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams are in 1 microgram?
1 microgram equals 5.643834e-7 drams, using the exact defined conversion factor rather than an estimate.
How do I convert microgram to dram?
Multiply the microgram value by 5.643834e-7. The converter above does this instantly to whatever precision you set.
How do I convert dram back to microgram?
Use the reverse factor: 1 dram equals 1,771,845.195 micrograms. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram?
Microgram (ug) is a unit of mass/weight.
What is a dram?
Dram (dr) is a unit of mass/weight.
Is the microgram to dram conversion exact?
Yes. Both microgram and dram are defined by fixed standards rather than physical artifacts, so the factor of 5.643834e-7 used above is exact to as many digits as you choose to display.