Convert pounds to stone
1 pound equals 0.071429 stone. Type any number below — the other side updates instantly.
By Numerly · Updated
Pounds to stone — quick reference
| pounds | stone |
|---|---|
| 70 lb | 5 st |
| 100 lb | 7.1429 st |
| 120 lb | 8.5714 st |
| 140 lb | 10 st |
| 150 lb | 10.7143 st |
| 160 lb | 11.4286 st |
| 180 lb | 12.8571 st |
| 200 lb | 14.2857 st |
| 220 lb | 15.7143 st |
| 280 lb | 20 st |
Quick answers
The most-searched specific values for pounds to stone.
- 100 pounds in stone = 7.1429 stone
- 120 pounds in stone = 8.5714 stone
- 140 pounds in stone = 10 stone
- 150 pounds in stone = 10.7143 stone
- 160 pounds in stone = 11.4286 stone
- 170 pounds in stone = 12.1429 stone
- 180 pounds in stone = 12.8571 stone
- 200 pounds in stone = 14.2857 stone
- 220 pounds in stone = 15.7143 stone
- 250 pounds in stone = 17.8572 stone
How to convert
Multiply the number of pounds by 0.071429 to get stones. To go the other way, multiply stones by 14 to get pounds. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Pounds
- Definition
- A pound (symbol: lb, plural lbs) is a unit of mass equal to exactly 0.45359237 kg. Sixteen ounces make one pound.
- History
- The pound descends from the Roman libra. The international avoirdupois pound was standardized in 1959.
- Current use
- The pound is the dominant mass unit in the United States for body weight, food, postage, and commerce. Still used in the UK alongside kilograms.
Stone
- Definition
- A stone (symbol: st) equals exactly 14 pounds, or about 6.35 kg. It is a unit of mass used in the UK and Ireland.
- History
- The stone has medieval origins as a measurement standardized at trading posts, with values varying by commodity until the 14-pound standard took hold.
- Current use
- Predominantly used in the UK and Ireland for human body weight. Rare in the US.
Frequently asked
- How many stone are in 1 pound?
- 1 pound = 0.071429 stone.
- How do you convert pounds to stone?
- Multiply the number of pounds by 0.071429 to get stones. To go the other way, multiply stones by 14 to get pounds. The conversion factor is fixed and exact, so you can use this on any value.
- What is 160 pounds in stone?
- 160 pounds = 11.4286 stone.
- What is 200 pounds in stone?
- 200 pounds = 14.2857 stone.
- What is 220 pounds in stone?
- 220 pounds = 15.7143 stone.
- What is 100 pounds in stone?
- 100 pounds = 7.1429 stone.
- What is 120 pounds in stone?
- 120 pounds = 8.5714 stone.
- What is 140 pounds in stone?
- 140 pounds = 10 stone.
- What is 150 pounds in stone?
- 150 pounds = 10.7143 stone.
- What is 170 pounds in stone?
- 170 pounds = 12.1429 stone.
- What is 180 pounds in stone?
- 180 pounds = 12.8571 stone.
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