Convert 21 Carats to Stone

21 Carat = 0.000661387 Stone

All values are rounded to the nearest significant figure for display purposes.

Conversion Process

This conversion uses Kilogram as the base unit. We'll first convert Carat to Kilogram, then convert from Kilogram to Stone.

Step 1: Convert from Carat to Kilogram

21 × 0.0002 = 0.0042

Result: 0.0042 Kilogram

Step 2: Convert from Kilogram to Stone

0.0042 × 0.157 = 0.000661387

Result: 0.000661387 Stone

Direct Conversion Factor

21 ÷ 31751 = 0.000661387

Direct conversion: 21 Carat = 0.000661387 Stone

Frequently Asked Questions

  • How many Stone are in 21 Carats?

    There are 0.000661387 Stone in 21 Carats.

  • What is 21 Carats in Stone?

    21 Carats is equal to 0.000661387 Stone. To perform this conversion yourself, multiply 21 by 0.0000314946.

  • How to convert 21 Carats to Stone?

    To convert 21 Carats to Stone, multiply 21 by 0.0000314946. This gives you 0.000661387 Stone.

  • What is the formula to convert Carats to Stone?

    The formula to convert from Carats to Stone is: Stone = Carats × 0.0000314946. Using this formula, 21 Carats equals 0.000661387 Stone.

  • What is the difference between Carats and Stone?

    The main difference between Carats and Stone is that 1 Carats equals 0.0000314946 Stone. Carats is used in the Metric system, while Stone belongs to the Imperial system.

  • Is Carats heavier than Stone?

    Stone is larger than Carat. Specifically, 1 Carats equals 0.0000314946 Stone.

Conversion Tables

All values are rounded to the nearest significant figure for display purposes.
CaratStone
1 ct 0.0000314946 st
2 ct 0.0000629892 st
3 ct 0.0000944838 st
4 ct 0.000125978 st
5 ct 0.000157473 st
6 ct 0.000188968 st
7 ct 0.000220462 st
8 ct 0.000251957 st
9 ct 0.000283451 st
10 ct 0.000314946 st
11 ct 0.000346441 st
12 ct 0.000377935 st
13 ct 0.00040943 st
14 ct 0.000440925 st
15 ct 0.000472419 st
16 ct 0.000503914 st
17 ct 0.000535408 st
18 ct 0.000566903 st
19 ct 0.000598398 st
20 ct 0.000629892 st
21 ct 0.000661387 st
22 ct 0.000692881 st
23 ct 0.000724376 st
24 ct 0.000755871 st
25 ct 0.000787365 st
CaratStone
26 ct 0.00081886 st
27 ct 0.000850354 st
28 ct 0.000881849 st
29 ct 0.000913344 st
30 ct 0.000944838 st
31 ct 0.000976333 st
32 ct 0.001008 st
33 ct 0.001039 st
34 ct 0.001071 st
35 ct 0.001102 st
36 ct 0.001134 st
37 ct 0.001165 st
38 ct 0.001197 st
39 ct 0.001228 st
40 ct 0.00126 st
41 ct 0.001291 st
42 ct 0.001323 st
43 ct 0.001354 st
44 ct 0.001386 st
45 ct 0.001417 st
46 ct 0.001449 st
47 ct 0.00148 st
48 ct 0.001512 st
49 ct 0.001543 st
50 ct 0.001575 st