Convert troy ounces to carats
1 ozt = 155.517384 ct — 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 carats
Multiply the number of troy ounces by 155.517384 to get carats.
The exact factor is 155.517384 — as a fraction, 19439673/125000.
Troy ounce: How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
Carat: The metric carat: exactly 200 mg.
Troy ounce to Carat conversion table
| Troy ounces (ozt) | Carats (ct) |
|---|---|
| 1 ozt | 155.517 38 |
| 2 ozt | 311.034 77 |
| 3 ozt | 466.552 15 |
| 5 ozt | 777.586 92 |
| 10 ozt | 1555.1738 |
| 20 ozt | 3110.3477 |
| 25 ozt | 3887.9346 |
| 50 ozt | 7775.8692 |
| 100 ozt | 15 551.738 |
| 250 ozt | 38 879.346 |
| 500 ozt | 77 758.692 |
| 1000 ozt | 155 517.38 |
Carat to Troy ounce conversion table
| Carats (ct) | Troy ounces (ozt) |
|---|---|
| 1 ct | 0.006 430 149 3 |
| 2 ct | 0.012 860 299 |
| 3 ct | 0.019 290 448 |
| 5 ct | 0.032 150 747 |
| 10 ct | 0.064 301 493 |
| 20 ct | 0.128 602 99 |
| 25 ct | 0.160 753 73 |
| 50 ct | 0.321 507 47 |
| 100 ct | 0.643 014 93 |
| 250 ct | 1.607 537 3 |
| 500 ct | 3.215 074 7 |
| 1000 ct | 6.430 149 3 |
Frequently asked
How many carats are in a troy ounce?
One troy ounce equals 155.517384 carats (ozt → ct). That figure is exact, not rounded.
How do you convert troy ounces to carats?
Multiply the number of troy ounces by 155.517384 to get carats.
What is 1 ct in troy ounces?
One carat is 0.006430149314 troy ounces.
What is 10 ozt in ct?
10 ozt = 1555.1738 ct.
What exactly is a troy ounce?
How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
What exactly is a carat?
The metric carat: exactly 200 mg.