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Kilograms to Stone (kg to st)
Convert kilograms to stone: 1 kg = 0.157473 st. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 kg = 0.157473 st
stone = kilograms × 0.1574730444 — reverse: kilograms = stone × 6.35029318
The factor is derived from the SI definitions of both units (base unit: kg) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 kg = 0.787365 st
- 12.5 kg = 1.96841 st
- 100 kg = 15.7473 st
Kilograms to stone conversion table
| Kilograms (kg) | Stone (st) |
|---|---|
| 1 | 0.157473 |
| 2 | 0.314946 |
| 3 | 0.472419 |
| 4 | 0.629892 |
| 5 | 0.787365 |
| 6 | 0.944838 |
| 7 | 1.10231 |
| 8 | 1.25978 |
| 9 | 1.41726 |
| 10 | 1.57473 |
| 15 | 2.3621 |
| 20 | 3.14946 |
| 25 | 3.93683 |
| 30 | 4.72419 |
| 40 | 6.29892 |
| 50 | 7.87365 |
| 75 | 11.8105 |
| 100 | 15.7473 |
| 200 | 31.4946 |
| 250 | 39.3683 |
| 500 | 78.7365 |
| 1000 | 157.473 |
FAQ
How many stone are in one kilogram?
1 kg = 0.157473 st. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert kilograms to stone?
Multiply the value in kilograms by 0.1574730444: stone = kilograms × 0.1574730444. For example, 5 kg = 0.787365 st.
How do I convert stone back to kilograms?
Multiply by the inverse factor 6.35029318 (kilograms = stone × 6.35029318), or use the stone-to-kilograms page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kg&to_unit=st - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"kg","to_unit":"st"} - Markdown: https://tttkmbb.com/conversion/kg-to-stone.md · JSON: https://tttkmbb.com/conversion/kg-to-stone.json (add
?value=for a result) · Units: /api/v1/units?quantity=mass - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.