Ounces to carats

carats = ounces × 141.747616

How to convert ounces to carats

One ounce is 141.747616 carats, so multiply the number of ounces by 141.747616. For example, 20 ounces is 20 × 141.747616 = 2,834.95 carats. To go back, divide by the same number, or multiply by 0.00705479.

Quick estimate

Multiplying by about 100 gets within 29.5% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

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

ounces	carats
1 oz	141.747616 ct
2 oz	283.495231 ct
3 oz	425.242847 ct
4 oz	566.990463 ct
5 oz	708.738078 ct
6 oz	850.485694 ct
7 oz	992.233309 ct
8 oz	1,133.98 ct
9 oz	1,275.73 ct
10 oz	1,417.48 ct
11 oz	1,559.22 ct
12 oz	1,700.97 ct
13 oz	1,842.72 ct
14 oz	1,984.47 ct
15 oz	2,126.21 ct
16 oz	2,267.96 ct
17 oz	2,409.71 ct
18 oz	2,551.46 ct
19 oz	2,693.2 ct
20 oz	2,834.95 ct
25 oz	3,543.69 ct
30 oz	4,252.43 ct
40 oz	5,669.9 ct
50 oz	7,087.38 ct
60 oz	8,504.86 ct
70 oz	9,922.33 ct
75 oz	10,631.07 ct
80 oz	11,339.81 ct
90 oz	12,757.29 ct
100 oz	14,174.76 ct
120 oz	17,009.71 ct
150 oz	21,262.14 ct
200 oz	28,349.52 ct
250 oz	35,436.9 ct
300 oz	42,524.28 ct
400 oz	56,699.05 ct
500 oz	70,873.81 ct
750 oz	106,310.71 ct
1,000 oz	141,747.62 ct
1,500 oz	212,621.42 ct
2,000 oz	283,495.23 ct
5,000 oz	708,738.08 ct
10,000 oz	1,417,476.16 ct

Questions

How many carats are in a ounce?

141.747616 carats.

How do I convert ounces to carats in a spreadsheet?

Put the value in A1 and type =A1*141.747616, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.