Convert Stone to Pounds
1 stone (st) equals 14 pounds (lb).
Converting a list? Use the bulk stone to pound converter to paste a column from Excel.
How to Convert Stone to Pound
- 1 st = 14 lb
- 1 lb = 0.07142857143 st
- Example: convert 15 st to lb: 15 st = 15 × 14 lb = 210 lb
Reference conditions. st: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement). lb: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
lb = st × 14
Derivation from SI units:
- 1 st = 14 lb = 6.35029318 kg (exact)
- 1 lb = 0.45359237 kg (exact, 1959 international agreement)
- 1 st = 6.35029318 kg ÷ 0.45359237 kg per lb = 14 lb
Both units are defined exactly, so the factor is exact. Stone definition: stone; Pound definition: pound.
Worked examples
- 11 st is 154 lb.
11 st × 14 = 154 lb - 14.5 st is 203 lb.
14.5 st × 14 = 203 lb
Stone to Pound conversion table
| Stone (st) | Pounds (lb) |
|---|---|
| 1 st | 14 lb |
| 5 st | 70 lb |
| 7 st | 98 lb |
| 8 st | 112 lb |
| 9 st | 126 lb |
| 10 st | 140 lb |
| 10.5 st | 147 lb |
| 11 st | 154 lb |
| 12 st | 168 lb |
| 13 st | 182 lb |
| 14 st | 196 lb |
| 15 st | 210 lb |
| 16 st | 224 lb |
| 18 st | 252 lb |
| 20 st | 280 lb |
Where it's used
UK weights in stone are converted to pounds for US audiences and fitness equipment. Multiply by 14.
Stone to other weight and mass units
| Conversion | 1 st equals |
|---|---|
| stone to kilogram | 6.35029318 kg |
| stone to gram | 6350.29318 g |
| stone to milligram | 6350293.18 mg |
| stone to microgram | 6350293180 µg |
| stone to metric ton | 0.00635029318 t |
| stone to pound | 14 lb |
| stone to ounce | 224 oz |
| stone to short ton | 0.007 ton (US) |
| stone to long ton | 0.00625 ton (UK) |
| stone to grain | 98000 gr |
| stone to troy ounce | 204.1666667 oz t |
| stone to carat | 31751.4659 ct |
Frequently asked questions
How many pounds are in a stone?
Exactly 14.
How many pounds are in 1 stone?
1 st = 14 lb.
How do I convert stone to pounds?
Multiply the value in st by 14. For example, 15 st × 14 = 210 lb.
Is the st to lb conversion exact?
Yes. Both units are defined exactly, and 1 st is exactly 14 lb.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, pound (avoirdupois).
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "pound (avoirdupois) (lb)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Stone to Pounds. Retrieved October 17, 2026, from https://scientificconverters.com/mass/stone-to-pounds/
IEEE
Scientific Converters, "Convert Stone to Pounds," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/stone-to-pounds/