Convert Micrograms to Ounces
1 microgram (µg) equals 3.527396195 × 10⁻⁸ ounces (oz).
1 µg = 3.527396195e-8 oz
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk microgram to ounce converter to paste a column from Excel.
How to Convert Microgram to Ounce
- 1 µg = 3.527396195 × 10⁻⁸ oz
- 1 oz = 28349523.13 µg
- Example: convert 15 µg to oz: 15 µg = 15 × 3.527396195 × 10⁻⁸ oz = 5.291094292 × 10⁻⁷ oz
Reference conditions. oz: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
oz = µg × 3.527396194958 × 10⁻⁸
or oz = µg ÷ 28349523.125
Derivation from SI units:
- 1 µg = 10⁻⁹ kg = 10⁻³ mg
- 1 oz = 1/16 lb = 28.349523125 g (exact)
- 1 µg = 1 × 10⁻⁹ kg ÷ 0.028349523125 kg per oz = 3.527396194958 × 10⁻⁸ oz
Both units are defined exactly, so the factor is exact. Microgram definition: microgram; Ounce definition: ounce.
Worked examples
- A reading of 50 µg converts to 0.000001763698097 oz.
50 µg × 3.527396195 × 10⁻⁸ = 0.000001763698097 oz - A value of 250 µg is 0.000008818490487 oz.
250 µg × 3.527396195 × 10⁻⁸ = 0.000008818490487 oz
Microgram to Ounce conversion table
| Micrograms (µg) | Ounces (oz) |
|---|---|
| 0.1 µg | 3.527396195 × 10⁻⁹ oz |
| 1 µg | 3.527396195 × 10⁻⁸ oz |
| 5 µg | 1.763698097 × 10⁻⁷ oz |
| 10 µg | 3.527396195 × 10⁻⁷ oz |
| 25 µg | 8.818490487 × 10⁻⁷ oz |
| 50 µg | 0.000001763698097 oz |
| 100 µg | 0.000003527396195 oz |
| 125 µg | 0.000004409245244 oz |
| 150 µg | 0.000005291094292 oz |
| 200 µg | 0.00000705479239 oz |
| 250 µg | 0.000008818490487 oz |
| 400 µg | 0.00001410958478 oz |
| 500 µg | 0.00001763698097 oz |
| 1000 µg | 0.00003527396195 oz |
| 5000 µg | 0.0001763698097 oz |
Where it's used
Micrograms are used for vitamins and trace nutrients (vitamin D, B12, folate), while ounces appear in food and parcel weights in the US. Both measure mass (commonly called weight), so the conversion is a fixed factor.
Microgram to other weight and mass units
| Conversion | 1 µg equals |
|---|---|
| microgram to kilogram | 1 × 10⁻⁹ kg |
| microgram to gram | 0.000001 g |
| microgram to milligram | 0.001 mg |
| microgram to metric ton | 1 × 10⁻¹² t |
| microgram to pound | 2.204622622 × 10⁻⁹ lb |
| microgram to ounce | 3.527396195 × 10⁻⁸ oz |
| microgram to stone | 1.574730444 × 10⁻¹⁰ st |
| microgram to short ton | 1.102311311 × 10⁻¹² ton (US) |
| microgram to long ton | 9.842065276 × 10⁻¹³ ton (UK) |
| microgram to grain | 0.00001543235835 gr |
| microgram to troy ounce | 3.215074657 × 10⁻⁸ oz t |
| microgram to carat | 0.000005 ct |
Frequently asked questions
How many ounces are in 1 microgram?
1 µg = 3.527396195 × 10⁻⁸ oz.
How do I convert micrograms to ounces?
Multiply the value in µg by 3.527396195 × 10⁻⁸, or divide it by 28349523.13. For example, 15 µg × 3.527396195 × 10⁻⁸ = 5.291094292 × 10⁻⁷ oz.
Is the µg to oz conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ounce (avoirdupois) (oz)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Micrograms to Ounces. Retrieved October 17, 2026, from https://scientificconverters.com/mass/micrograms-to-ounces/
IEEE
Scientific Converters, "Convert Micrograms to Ounces," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/micrograms-to-ounces/