To convert pounds to stone, divide by 14. So 140 lb = 10 st and 154 lb = 11 st exactly. One stone = 14 lb by definition - an exact conversion in the avoirdupois system.
- Exact: 1 lb = 1/14 st - defined, not approximate.
- 140 lb = 10 st. 154 lb = 11 st. 168 lb = 12 st.
- For whole stone + remaining pounds: integer part is stone, multiply decimal by 14 for lbs.
- Stone is used in UK and Ireland; lbs are used in the US.
How to Use This Converter
Type any pounds value in the lb field and the stone result appears instantly. You can also type in the st field to convert back. The result is decimal stone. To express as stone and pounds: the integer part is stone, multiply the decimal remainder by 14 to get extra lbs. Example: 160 lb = 11.429 st = 11 st + 0.429 × 14 = 11 st 6 lb.
How Do You Convert Pounds to Stone?
Divide pounds by 14. One stone is exactly 14 avoirdupois pounds.
$$\text{st} = \text{lb} \div 14$$
Worked examples: 112 lb = 8 st. 126 lb = 9 st. 140 lb = 10 st. 154 lb = 11 st. 168 lb = 12 st. 182 lb = 13 st. 196 lb = 14 st.
How Do You Convert Stone to Pounds?
Multiply stone by 14. See the dedicated stone to pounds converter for a stone-first reference table.
$$\text{lb} = \text{st} \times 14$$
Worked examples: 9 st = 126 lb. 11 st = 154 lb. 13 st = 182 lb.
Pounds to Stone Reference Table
| Pounds (lb) | Stone (st) | Kilograms (kg) |
|---|---|---|
| 98 lb | 7 st | 44.45 kg |
| 112 lb | 8 st | 50.80 kg |
| 126 lb | 9 st | 57.15 kg |
| 140 lb | 10 st | 63.50 kg |
| 154 lb | 11 st | 69.85 kg |
| 168 lb | 12 st | 76.20 kg |
| 182 lb | 13 st | 82.55 kg |
| 196 lb | 14 st | 88.90 kg |
| 210 lb | 15 st | 95.25 kg |
| 224 lb | 16 st | 101.60 kg |
When Do You Need to Convert lbs to Stone?
- US to UK communication - US residents reporting weight in lbs to UK contacts who use stone.
- UK slimming and fitness - UK weight loss programs track progress in stone; US-sourced data is in lbs.
- Medical cross-referencing - US medical charts in lbs need to be communicated in stone for UK patient understanding.
Frequently Asked Questions
How many stone is 154 pounds?
Exactly 11 stone. 154 ÷ 14 = 11. This is a clean round number - any multiple of 14 lbs is a whole number of stone.
How do you convert lbs to stone?
Divide by 14. For 200 lb: 200 ÷ 14 = 14.286 st. The integer part (14) is stone; multiply 0.286 × 14 = 4 for the extra pounds → 14 stone 4 pounds.
How many stone is 200 pounds?
200 lb = 14.286 st = 14 stone 4 pounds. Divide 200 ÷ 14 = 14.286; the 0.286 remainder × 14 = 4 extra lbs.