Convert Carat to Stone
0.0000314946
1 ct = 0.000031494625 st
Use the conversion factor 1 ct = 0.00003149462465 st. To convert Carat to Stone, multiply the input value by 0.00003149462465.
Conversion Formula
st = ct Γ 3.1495e-5
Reverse: ct = st Γ 31751.4
Conversion Examples
1 ct Γ 0.000031494625 =
0.000031494625 st
1 Carats = 0.000031494625 Stones
5 ct Γ 0.000031494625 =
0.00015747312 st
5 Carats = 0.00015747312 Stones
10 ct Γ 0.000031494625 =
0.00031494625 st
10 Carats = 0.00031494625 Stones
25 ct Γ 0.000031494625 =
0.00078736562 st
25 Carats = 0.00078736562 Stones
50 ct Γ 0.000031494625 =
0.0015747312 st
50 Carats = 0.0015747312 Stones
100 ct Γ 0.000031494625 =
0.0031494625 st
100 Carats = 0.0031494625 Stones
Carat to Stone Table
ct =βst
| Carat (ct) | Stone (st) | Fraction |
|---|---|---|
| 1,000 | 0.03149462 | 1/32 |
| 2,000 | 0.06298925 | 1/16 |
| 3,000 | 0.09448387 | 3/32 |
| 4,000 | 0.1259785 | 1/8 |
| 5,000 | 0.15747312 | 5/32 |
| 6,000 | 0.18896775 | 3/16 |
| 7,000 | 0.22046237 | 7/32 |
| 8,000 | 0.251957 | 1/4 |
| 9,000 | 0.28345162 | 9/32 |
| 10,000 | 0.31494625 | 5/16 |
| 11,000 | 0.34644087 | 11/32 |
| 12,000 | 0.3779355 | 3/8 |
| 13,000 | 0.40943012 | 13/32 |
| 14,000 | 0.44092475 | 7/16 |
| 15,000 | 0.47241937 | 15/32 |
| 16,000 | 0.50391399 | 1/2 |
| 17,000 | 0.53540862 | 17/32 |
| 18,000 | 0.56690324 | 9/16 |
| 19,000 | 0.59839787 | 19/32 |
| 20,000 | 0.62989249 | 5/8 |
Unit Definitions
What is a Carat (ct)?
Metric (SI)Worldwide
Carat (ct) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about CaratWhat is a Stone (st)?
ImperialUnited Kingdom, Ireland
Stone (st) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about StoneFrequently Asked Questions
How do I convert Carat to Stone?
Multiply the value in ct by 0.00003149462465. The formula is st = ct Γ 0.00003149462465.
How many Stone are in 1 Carat?
One Carat equals 0.00003149462465 st.
What is 1000000 ct in st?
1000000 ct equals 31.49462465 st.
How do I convert Stone back to Carat?
Use the reverse factor: 1 st = 31751.45 ct.