Stones Conversion
The stone is a unit used to measure weight. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about stones.
Stone Conversion Calculators
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US Customary & Imperial Units
SI Units
Body Weight
Stone Definition and Usage
One stone is equal to 14 pounds and is mostly used in the United Kingdom and Ireland as a unit of mass. It's most commonly used to measure personal body weight.[1]
The stone is an imperial unit of weight. Stones can be abbreviated as st; for example, 1 stone can be written as 1 st.
How Much is a Stone?
If you're here then there's a good chance you might be wondering just how much is a stone? The chart below shows how much a stone is in other measures of weight.
| stones | pounds | kilograms | calories |
|---|---|---|---|
| 1 st | 14 lb | 6.350293 kg | 49,000 kcal |
| 2 st | 28 lb | 12.700586 kg | 98,000 kcal |
| 3 st | 42 lb | 19.05088 kg | 147,000 kcal |
| 4 st | 56 lb | 25.401173 kg | 196,000 kcal |
| 5 st | 70 lb | 31.751466 kg | 245,000 kcal |
| 6 st | 84 lb | 38.101759 kg | 294,000 kcal |
| 7 st | 98 lb | 44.452052 kg | 343,000 kcal |
| 8 st | 112 lb | 50.802345 kg | 392,000 kcal |
| 9 st | 126 lb | 57.152639 kg | 441,000 kcal |
| 10 st | 140 lb | 63.502932 kg | 490,000 kcal |
| 11 st | 154 lb | 69.853225 kg | 539,000 kcal |
| 12 st | 168 lb | 76.203518 kg | 588,000 kcal |
| 13 st | 182 lb | 82.553811 kg | 637,000 kcal |
| 14 st | 196 lb | 88.904105 kg | 686,000 kcal |
| 15 st | 210 lb | 95.254398 kg | 735,000 kcal |
| 16 st | 224 lb | 101.604691 kg | 784,000 kcal |
| 17 st | 238 lb | 107.954984 kg | 833,000 kcal |
| 18 st | 252 lb | 114.305277 kg | 882,000 kcal |
| 19 st | 266 lb | 120.65557 kg | 931,000 kcal |
| 20 st | 280 lb | 127.005864 kg | 980,000 kcal |
References
- National Institute of Standards and Technology, Handbook 44 - 2012 - Appendix B, https://www.nist.gov/system/files/documents/2017/04/28/AppB-12-hb44-final.pdf
