Ounces to Carats Converter

Enter the weight in ounces below to convert it to carats.

Result in Carats:

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1 oz = 141.747616 ct
Learn how we calculate this below

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Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.

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How to Convert Ounces to Carats

To convert a measurement in ounces to a measurement in carats, multiply the weight by the following conversion ratio: 141.747616 carats/ounce.

Since one ounce is equal to 141.747616 carats, you can use this simple formula to convert:

carats = ounces × 141.747616

The weight in carats is equal to the weight in ounces multiplied by 141.747616.

For example, here's how to convert 5 ounces to carats using the formula above.

carats = (5 oz × 141.747616) = 708.738078 ct

conversion scale showing ounces and equivalent carats weight values

How Many Carats Are in an Ounce?

There are 141.747616 carats in an ounce, which is why we use this value in the formula above.

1 oz = 141.747616 ct

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

What Is an Ounce?

One ounce is a unit of mass/weight equal to 1/16 of a pound or 28.349523 grams. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.[1]

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.

Learn more about ounces.

What Is a Carat?

The carat is a unit of mass/weight equal to 200 milligrams.[2]

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.

Learn more about carats.

Ounce to Carat Conversion Table

Table showing various ounce measurements converted to carats.
Ounces Carats
1 oz 141.75 ct
2 oz 283.5 ct
3 oz 425.24 ct
4 oz 566.99 ct
5 oz 708.74 ct
6 oz 850.49 ct
7 oz 992.23 ct
8 oz 1,134 ct
9 oz 1,276 ct
10 oz 1,417 ct
11 oz 1,559 ct
12 oz 1,701 ct
13 oz 1,843 ct
14 oz 1,984 ct
15 oz 2,126 ct
16 oz 2,268 ct
17 oz 2,410 ct
18 oz 2,551 ct
19 oz 2,693 ct
20 oz 2,835 ct
21 oz 2,977 ct
22 oz 3,118 ct
23 oz 3,260 ct
24 oz 3,402 ct
25 oz 3,544 ct
26 oz 3,685 ct
27 oz 3,827 ct
28 oz 3,969 ct
29 oz 4,111 ct
30 oz 4,252 ct
31 oz 4,394 ct
32 oz 4,536 ct
33 oz 4,678 ct
34 oz 4,819 ct
35 oz 4,961 ct
36 oz 5,103 ct
37 oz 5,245 ct
38 oz 5,386 ct
39 oz 5,528 ct
40 oz 5,670 ct

References

  1. James Bucki, Troy Ounce vs. Ounce, The Spruce, https://www.thesprucecrafts.com/troy-ounce-vs-ounce-4588158
  2. National Institute of Standards and Technology, Precious Metals Conversion Information, https://www.nist.gov/pml/owm/laws-and-regulations/precious-metals-conversion

More Ounce & Carat Conversions

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