Milligram is 0.001 gram units.
Milligrams to Troy ounces
Convert milligrams (mg) to troy ounces (oz t) instantly. Free online weight converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
A troy ounce is exactly 31.1034768 grams.
oz t = mg × 3.21507465686e-05
Results update instantly for Milligrams to Troy ounces conversions.
Reserved above the conversion cards and below the converter.
Formula
oz t = mg × 3.21507465686e-05
mg = oz t ÷ 3.21507465686e-05
Conversion table
| 1 mg | 0.000032 oz t |
| 5 mg | 0.000161 oz t |
| 10 mg | 0.000322 oz t |
| 20 mg | 0.000643 oz t |
| 50 mg | 0.001608 oz t |
| 100 mg | 0.003215 oz t |
| 500 mg | 0.016075 oz t |
| 1000 mg | 0.032151 oz t |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the milligram (mg). Milligram is 0.001 gram units.
What is the destination unit in this conversion?
The destination unit is the troy ounce (oz t). A troy ounce is exactly 31.1034768 grams.
How do I convert milligrams to troy ounces?
Multiply the number of milligrams by 3.21507465686e-05 to get the equivalent value in troy ounces. For example, 5 mg × 3.21507465686e-05 = 0.000161 oz t.
Is the milligram to troy ounce conversion exact?
Yes. This converter uses a fixed factor of 3.21507465686e-05, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between milligram and troy ounce values.
Can I convert troy ounces back to milligrams?
Yes. Multiply the troy ounces value by 31103.4768, or divide it by 3.21507465686e-05, to convert back to milligrams.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts milligrams (mg) into troy ounces (oz t) using the Universal Converter's mass conversion engine.
Milligram-to-Troy ounce conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is oz t = mg × 3.21507465686e-05, based on the standard definitions of milligram and troy ounce.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Milligram: Milligram is 0.001 gram units. Troy ounce: A troy ounce is exactly 31.1034768 grams.