Convert carats to troy ounces
1 ct = 0.00643014931373 ozt — 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 0.000 000 2
- Kilograms kg 0.0002
- Hectograms hg 0.002
- Decagrams dag 0.02
- Grams g 0.2
- Decigrams dg 2
- Centigrams cg 20
- Milligrams mg 200
- Micrograms µg 200 000
- Nanograms ng 200 000 000
- Picograms pg 200 000 000 000
- Tonnes t 0.000 000 2
- Kilotonnes kt 2e-10
- Megatonnes Mt 2e-13
- Quintals q 0.000 002
- Carats ct 1
- Pounds lb 0.000 440 924 524 37
- Ounces oz 0.007 054 792 389 92
- Drams dr 0.112 876 678 239
- Grains gr 3.086 471 670 59
- Stones st 0.000 031 494 608 883 6
- Hundredweight (US)s cwt (US) 0.000 004 409 245 243 7
- Hundredweight (UK)s cwt (UK) 0.000 003 936 826 110 44
- Short ton (US)s tn 0.000 000 220 462 262 185
- Long ton (UK)s LT 0.000 000 196 841 305 522
- Troy ounces ozt 0.006 430 149 313 73
- Troy pounds lbt 0.000 535 845 776 144
- Pennyweights dwt 0.128 602 986 275
- Slugs slug 0.000 013 704 353 171 4
- Atomic mass units u 1.20442815073e+23
- Electron masss mₑ 2.19553820852e+26
- Planck masss mₚ 9189.343 669 51
- Earth masss M🜨 3.34884967014e-29
- Solar masss M☉ 1.00557086258e-34
Every row is Carat (ct) converted through the kilogram, in exact rational arithmetic.
How to convert carats to troy ounces
Multiply the number of carats by 0.00643014931373 to get troy ounces.
Carat: The metric carat: exactly 200 mg.
Troy ounce: How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
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 |
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 |
Frequently asked
How many troy ounces are in a carat?
One carat equals 0.006430149314 troy ounces (ct → ozt). That figure is exact, not rounded.
How do you convert carats to troy ounces?
Multiply the number of carats by 0.00643014931373 to get troy ounces.
What is 1 ozt in carats?
One troy ounce is 155.517384 carats.
What is 10 ct in ozt?
10 ct = 0.064 301 493 ozt.
What exactly is a carat?
The metric carat: exactly 200 mg.
What exactly is a troy ounce?
How gold and silver are priced. Heavier than the everyday avoirdupois ounce.