Convert 13 ct to oz

How to convert carats to ounces

1. Formula: ounces = carats × 0.00705479
2. Put in the value: 13 carats.
3. Result: 0.0917123 ounces.

Carats to ounces table

Converting the other way: ounces to carats

carats = ounces × 141.747616. So 0.0917123 ounces is back to 13 carats; one ounce is 141.747616 carats. See the ounces to carats table.

Quick estimate in your head

For a rough answer, multiply by about 0.007: 13 × 0.007 ≈ 0.091 oz, against the exact 0.0917123 oz (0.8% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A carat is smaller than a ounce, so the number of ounces must come out smaller than the number of carats. If your answer goes the other way, divide instead of multiplying.

About the units

Carat (ct) and ounce (oz) are both units of mass. One carat equals 0.00705479 ounces, and one ounce equals 141.747616 carats. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

13 carats in other units

The most readable unit for this amount is grams (2.6).

• 2,600 mg
• 2.6 g
• 0.0026 kg
• 0.0000026 t
• 0.0917123 oz
• 0.00573202 lb
• 0.00040943 st
• 0.00000287 ton

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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