Carats to Stone

Convert carats (ct) to stone (st). Type in either box; the other updates as you go.

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1 ct = 0.000031494609 st

1 carat equals0.00003149460888 st
1 stone equals31,751.4659 ct
Formulast = ct ÷ 31,751.4659

How to convert carats to stone

To convert carats to stone, divide the number of carats by 31,751.4659.

st = ct ÷ 31,751.4659

Example

Convert 500 carats to stone:

500 ct ÷ 31,751.4659 = 0.0157473 st

Carat to stone conversion chart

Carats to stone
Carats (ct)Stone (st)
100 ct0.003149461 st
200 ct0.006298922 st
300 ct0.009448383 st
400 ct0.01259784 st
500 ct0.0157473 st
600 ct0.01889677 st
700 ct0.02204623 st
800 ct0.02519569 st
900 ct0.02834515 st
1,000 ct0.03149461 st
1,200 ct0.03779353 st
1,500 ct0.04724191 st
2,000 ct0.06298922 st
2,500 ct0.07873652 st
3,000 ct0.09448383 st
4,000 ct0.1259784 st
5,000 ct0.157473 st
6,000 ct0.1889677 st
7,000 ct0.2204623 st
7,500 ct0.2362096 st
8,000 ct0.2519569 st
9,000 ct0.2834515 st
10,000 ct0.3149461 st
15,000 ct0.4724191 st
20,000 ct0.6298922 st
25,000 ct0.7873652 st
50,000 ct1.57473 st
100,000 ct3.149461 st

Going the other way? See the stone to carats chart.

About the units

Carat (ct)

A metric carat is exactly 200 milligrams. It measures the weight of gemstones and pearls.

Stone (st)

A stone is 14 pounds, about 6.35 kilograms. People in the UK and Ireland still give their body weight in stone and pounds.

Frequently asked questions

How many stone are in a carat?

There are 0.00003149460888 stone in a carat.

How many carats are in a stone?

There are 31,751.4659 carats in a stone.

How do you convert carats to stone?

To convert carats to stone, divide the number of carats by 31,751.4659.

What is 500 carats in stone?

500 carats equals 0.0157473 stone.

Convert between kilograms, pounds, ounces, grams, stone and tons. Open the weight converter to see a value in every unit at once.