Ounce to Microgram Converter
Unit Converter
Instant · Precise · Universal
34 units available
6 categories total
How to Convert Ounce to Microgram
To convert ounces to grams: multiply by 28.3495. To convert grams to ounces: divide by 28.3495.
1 oz = 28.349523125 g = 1/16 lb = 437.5 grains.
For example, 1 Ounce (oz) = 28349523.13 Microgram (µg).
Ounce to Microgram — Common Values
| Ounce (oz) | Microgram (µg) |
|---|---|
| 0.1 | 2834952.313 |
| 0.5 | 14174761.56 |
| 1 | 28349523.13 |
| 2 | 56699046.25 |
| 5 | 141747615.6 |
| 10 | 283495231.3 |
| 25 | 708738078.1 |
| 50 | 1417476156 |
| 100 | 2834952313 |
| 500 | 14174761560 |
| 1000 | 28349523130 |
About Ounce (oz)
Definition
The ounce (avoirdupois) is an imperial unit of mass equal to 1/16 of a pound or approximately 28.35 grams.
Mathematical Relationship
1 oz = 28.349523125 g = 1/16 lb = 437.5 grains.
Conversion Formula
To convert ounces to grams: multiply by 28.3495. To convert grams to ounces: divide by 28.3495.
Practical Applications
Food packaging (cereal boxes, cheese), postal weights, baby weight tracking (lb and oz), and cooking.
Interesting Facts
There are two different ounces: the avoirdupois ounce (28.35 g) for general use and the troy ounce (31.1 g) for precious metals. Gold is always measured in troy ounces.
Common Mistakes
Confusing avoirdupois ounces (28.35 g) with troy ounces (31.1 g). Also confusing oz (mass) with fl oz (volume).
Educational Tips
There are 16 oz in a pound. A quick gram conversion: 1 oz ≈ 30 g (for estimation).
About Microgram (µg)
Definition
The microgram is a unit of mass equal to 10⁻⁶ grams or 10⁻⁹ kilograms — one millionth of a gram.
Mathematical Relationship
1 µg = 10⁻⁶ g = 10⁻⁹ kg = 0.001 mg = 1,000 ng.
Conversion Formula
To convert µg to mg: divide by 1,000. To convert µg to grams: divide by 1,000,000.
Practical Applications
Vitamin dosages (e.g., vitamin B12: 2.4 µg/day), drug formulations, and food additive regulations.
Interesting Facts
The recommended daily intake of vitamin D is 15 µg (600 IU) — an incredibly tiny yet vital amount for bone health.
Common Mistakes
Confusing µg with mg — a 1,000× error. In medicine, this can be life-threatening. Always double-check the prefix.
Educational Tips
In medical contexts, 'mcg' = 'µg'. If a prescription says '200 mcg', that's 0.2 mg or 0.0002 g.