Convert stones to carats
1 st = 31,751.47 ct. Change the amount below, or read the formula and the reference table further down.
1 stone equals
carats
1 st = 31,751.47 ct
The formula
Stones and carats both measure weight & mass from the same zero, so a single multiplier does the job.
ct = st × 31,751.47
Going the other way? Convert carats to stones.
Stones to carats table
Common values, rounded for reading.
| Stones (st) | Carats (ct) |
|---|---|
| 1 | 31,751.47 |
| 2 | 63,502.93 |
| 3 | 95,254.4 |
| 4 | 127,005.86 |
| 5 | 158,757.33 |
| 6 | 190,508.8 |
| 7 | 222,260.26 |
| 8 | 254,011.73 |
| 9 | 285,763.19 |
| 10 | 317,514.66 |
| 15 | 476,271.99 |
| 20 | 635,029.32 |
| 25 | 793,786.65 |
| 30 | 952,543.98 |
| 40 | 1,270,058.64 |
| 50 | 1,587,573.3 |
| 75 | 2,381,359.94 |
| 100 | 3,175,146.59 |
| 250 | 7,937,866.48 |
| 500 | 15,875,732.95 |
| 1,000 | 31,751,465.9 |
Questions people ask
- How many carats are in a stone?
- One stone equals 31,751.47 carats.
- How do I convert stones to carats by hand?
- Multiply the number of stones by 31,751.47. For a rough check, 31,751.47 is close enough for most everyday use.
- What is 1 stone in carats?
- 1 stone is 31,751.47 carats.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.