Convert Carats to Ounces

Enter the weight in carats below to get the value converted to ounces.

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1 ct = 0.007055 oz
Do you want to convert ounces to carats?

How to Convert Carats to Ounces

conversion scale showing carats and equivalent ounces weight values

To convert a carat measurement to a ounce measurement, multiply the weight by the conversion ratio. One carat is equal to 0.007055 ounces, so use this simple formula to convert:

ounces = carats × 0.007055

The weight in ounces is equal to the carats multiplied by 0.007055.

For example, here's how to convert 5 carats to ounces using the formula above.
5 ct = (5 × 0.007055) = 0.035274 oz

Carats and ounces are both units used to measure weight. Keep reading to learn more about each unit of measure.

Carats

The carat is a unit of mass/weight equal to 200 milligrams.

A carat is sometimes also referred to as a metric carat. Carats can be abbreviated as ct, and are also sometimes abbreviated as CD. For example, 1 carat can be written as 1 ct or 1 CD.

Ounces

One ounce is a unit of mass/weight equal to 1/16 of a pound. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.

The ounce is a US customary and imperial unit of weight. Ounces can be abbreviated as oz, for example 1 ounce can be written as 1 oz.

Carat Measurements and Equivalent Ounce Conversions

Common carat values converted to the equivalent ounce value
Carats Ounces
1 ct 0.007055 oz
2 ct 0.01411 oz
3 ct 0.021164 oz
4 ct 0.028219 oz
5 ct 0.035274 oz
6 ct 0.042329 oz
7 ct 0.049384 oz
8 ct 0.056438 oz
9 ct 0.063493 oz
10 ct 0.070548 oz
11 ct 0.077603 oz
12 ct 0.084658 oz
13 ct 0.091712 oz
14 ct 0.098767 oz
15 ct 0.105822 oz
16 ct 0.112877 oz
17 ct 0.119931 oz
18 ct 0.126986 oz
19 ct 0.134041 oz
20 ct 0.141096 oz
21 ct 0.148151 oz
22 ct 0.155205 oz
23 ct 0.16226 oz
24 ct 0.169315 oz
25 ct 0.17637 oz
26 ct 0.183425 oz
27 ct 0.190479 oz
28 ct 0.197534 oz
29 ct 0.204589 oz
30 ct 0.211644 oz
31 ct 0.218699 oz
32 ct 0.225753 oz
33 ct 0.232808 oz
34 ct 0.239863 oz
35 ct 0.246918 oz
36 ct 0.253973 oz
37 ct 0.261027 oz
38 ct 0.268082 oz
39 ct 0.275137 oz
40 ct 0.282192 oz

More Carat Weight Conversions

US Customary & Imperial Units
Convert to Tons
1 ct is equal to 2.2046E-7 tons
Convert to Pounds
1 ct is equal to 0.000441 pounds
SI Units
Convert to Metric Tons
1 ct is equal to 2.0E-7 metric tons
Convert to Kilograms
1 ct is equal to 0.0002 kilograms
Convert to Grams
1 ct is equal to 0.2 grams
Convert to Milligrams
1 ct is equal to 200 milligrams
Other Units
Convert to Long Tons
1 ct is equal to 1.9684E-7 long tons