Stone to Kati (catty) Converter
Convert stone (st) to kati (catty) (kati) instantly. Weight units matter at the wet market, where older stalls and Chinese medical halls still quote prices per kati or tael, and when following American recipes in ounces and pounds.
Result
- Kati (catty)
- 10.5 kati
How to use the stone to kati (catty) converter
- Enter the stone (st).
- The results update as you type, or press Calculate.
- Read the kati (catty) first, then the supporting figures below it.
Formula
Kati (catty) = stone × 10.4999969907
Worked example
For example, with these inputs:
- Stone (st): 1
the calculator returns:
- Kati (catty): 10.5 kati
Stone to Kati (catty) table
| Stone | Kati (catty) |
|---|---|
| 1 st | 10.5 kati |
| 2 st | 21 kati |
| 5 st | 52.5 kati |
| 10 st | 105 kati |
| 20 st | 209.9999 kati |
| 25 st | 262.4999 kati |
| 50 st | 524.9998 kati |
| 100 st | 1,050 kati |
| 250 st | 2,625 kati |
| 500 st | 5,250 kati |
| 1,000 st | 10,500 kati |
About this conversion
Weight units matter at the wet market, where older stalls and Chinese medical halls still quote prices per kati or tael, and when following American recipes in ounces and pounds.
For everyday use, three or four significant figures are usually enough. Engineering, science and trade documents may need more, and rounding should happen only at the end of a calculation.
Singapore adopted the metric system in the 1970s, replacing imperial units and traditional Chinese measures in most official uses. Metric units are now standard in schools, trade and government, but older units survive in property, markets and imported goods.
Frequently asked questions
How many kati (catty) are in one stone?
1 st = 10.5 kati.
How do I convert st to kati?
Kati (catty) = stone × 10.4999969907.