Weight and Mass

Troy Ounces to mcg Converter

Convert troy ounces (oz t) to micrograms (µg). 1 troy ounce = 31,103,476.8 micrograms (exact)

1 troy ounce = 31,103,476.8 micrograms

How to convert troy ounces to micrograms

Formulaµg = oz t × 31,103,476.8

Multiply the value in troy ounces by 31,103,476.8. To go the other way, multiply by 3.215074657×10⁻⁸ (or divide by 31,103,476.8).

A troy ounce is larger than a microgram: one troy ounce contains 31,103,476.8 micrograms.

Worked examples

  • 1 troy ounce1 oz t × 31,103,476.8 = 31,103,476.8 µg
  • 5 troy ounces5 oz t × 31,103,476.8 = 155,517,384 µg
  • 10 troy ounces10 oz t × 31,103,476.8 = 311,034,768 µg
  • 20 troy ounces20 oz t × 31,103,476.8 = 622,069,536 µg
  • 100 troy ounces100 oz t × 31,103,476.8 = 3,110,347,680 µg

Troy ounces to micrograms conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Troy ounces to micrograms: 0.1–10 oz t
Troy ounces (oz t)Micrograms (µg)
0.1 oz t3,110,347.7 µg
0.25 oz t7,775,869.2 µg
0.5 oz t15,551,738 µg
1 oz t31,103,477 µg
2 oz t62,206,954 µg
3 oz t93,310,430 µg
4 oz t124,413,910 µg
5 oz t155,517,380 µg
6 oz t186,620,860 µg
7 oz t217,724,340 µg
8 oz t248,827,810 µg
9 oz t279,931,290 µg
10 oz t311,034,770 µg
Troy ounces to micrograms: 12–1,000 oz t
Troy ounces (oz t)Micrograms (µg)
12 oz t373,241,720 µg
15 oz t466,552,150 µg
20 oz t622,069,540 µg
25 oz t777,586,920 µg
30 oz t933,104,300 µg
40 oz t1,244,139,100 µg
50 oz t1,555,173,800 µg
75 oz t2,332,760,800 µg
100 oz t3,110,347,700 µg
250 oz t7,775,869,200 µg
500 oz t15,551,738,000 µg
1,000 oz t31,103,477,000 µg

About the units

Troy ounce (oz t)

480 grains or 31.1034768 g, about 10% heavier than an ordinary ounce. Gold, silver and platinum prices are quoted per troy ounce. One troy ounce equals 0.0311034768 kilograms (kg).

Microgram (µg)

One millionth of a gram, often written “mcg” on supplement labels to avoid confusion with mg. One microgram equals 1×10⁻⁹ kilograms (kg).

Frequently asked questions

How many micrograms are in one troy ounce?

There are 31,103,476.8 micrograms in one troy ounce, and this value is exact by definition.

How do I convert troy ounces to micrograms?

Multiply the number of troy ounces by 31,103,476.8. For example, 10 oz t × 31,103,476.8 = 311,034,768 µg.

How many troy ounces are in one microgram?

One microgram equals 3.215074657×10⁻⁸ troy ounces. That is the reverse factor, 1 ÷ 31,103,476.8.

What is 10 troy ounces in micrograms?

10 oz t = 311,034,768 µg.

Is this oz t to µg converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

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