Convert troy ounces to milligrams
1 ozt = 31103.4768 mg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 34 weight & mass units
- Megagrams Mg 0.000 031 103 476 8
- Kilograms kg 0.031 103 476 8
- Hectograms hg 0.311 034 768
- Decagrams dag 3.110 347 68
- Grams g 31.103 476 8
- Decigrams dg 311.034 768
- Centigrams cg 3110.347 68
- Milligrams mg 31 103.4768
- Micrograms µg 31 103 476.8
- Nanograms ng 31 103 476 800
- Picograms pg 31 103 476 800 000
- Tonnes t 0.000 031 103 476 8
- Kilotonnes kt 3.11034768e-8
- Megatonnes Mt 3.11034768e-11
- Quintals q 0.000 311 034 768
- Carats ct 155.517 384
- Pounds lb 0.068 571 428 571 4
- Ounces oz 1.097 142 857 14
- Drams dr 17.554 285 714 3
- Grains gr 480
- Stones st 0.004 897 959 183 67
- Hundredweight (US)s cwt (US) 0.000 685 714 285 714
- Hundredweight (UK)s cwt (UK) 0.000 612 244 897 959
- Short ton (US)s tn 0.000 034 285 714 285 7
- Long ton (UK)s LT 0.000 030 612 244 898
- Troy ounces ozt 1
- Troy pounds lbt 0.083 333 333 333 3
- Pennyweights dwt 20
- Slugs slug 0.002 131 265 154 62
- Atomic mass units u 1.87309515218e+25
- Electron masss mₑ 3.41444358661e+28
- Planck masss mₚ 1 429 102.688 16
- Earth masss M🜨 5.20804340109e-27
- Solar masss M☉ 1.56383749975e-32
Every row is Troy ounce (ozt) converted through the kilogram, in exact rational arithmetic.
How to convert troy ounces to milligrams
Multiply the number of troy ounces by 31103.4768 to get milligrams.
The exact factor is 31103.4768 — as a fraction, 19439673/625.
Troy ounce: How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
Troy ounce to Milligram conversion table
| Troy ounces (ozt) | Milligrams (mg) |
|---|---|
| 1 ozt | 31 103.477 |
| 2 ozt | 62 206.954 |
| 3 ozt | 93 310.43 |
| 5 ozt | 155 517.38 |
| 10 ozt | 311 034.77 |
| 20 ozt | 622 069.54 |
| 25 ozt | 777 586.92 |
| 50 ozt | 1 555 173.8 |
| 100 ozt | 3 110 347.7 |
| 250 ozt | 7 775 869.2 |
| 500 ozt | 15 551 738 |
| 1000 ozt | 31 103 477 |
Milligram to Troy ounce conversion table
| Milligrams (mg) | Troy ounces (ozt) |
|---|---|
| 1 mg | 0.000 032 150 747 |
| 2 mg | 0.000 064 301 493 |
| 3 mg | 0.000 096 452 24 |
| 5 mg | 0.000 160 753 73 |
| 10 mg | 0.000 321 507 47 |
| 20 mg | 0.000 643 014 93 |
| 25 mg | 0.000 803 768 66 |
| 50 mg | 0.001 607 537 3 |
| 100 mg | 0.003 215 074 7 |
| 250 mg | 0.008 037 686 6 |
| 500 mg | 0.016 075 373 |
| 1000 mg | 0.032 150 747 |
Frequently asked
How many milligrams are in a troy ounce?
One troy ounce equals 31103.4768 milligrams (ozt → mg). That figure is exact, not rounded.
How do you convert troy ounces to milligrams?
Multiply the number of troy ounces by 31103.4768 to get milligrams.
What is 1 mg in troy ounces?
One milligram is 0.00003215074657 troy ounces.
What is 10 ozt in mg?
10 ozt = 311 034.77 mg.
What exactly is a troy ounce?
How gold and silver are priced. Heavier than the everyday avoirdupois ounce.