How to convert pounds to stones
Pounds and Stones both measure weight, so converting is a single multiplication. One lb equals 0.071429 st, so you multiply your pounds value by 0.071429.
Formula: stones = pounds × 0.071429. For example, 10 lb = 0.714285 st.
Pounds to Stones conversion table
| Pounds (lb) | Stones (st) |
|---|---|
| 1 | 0.071429 |
| 2 | 0.142857 |
| 5 | 0.357143 |
| 10 | 0.714285 |
| 25 | 1.785714 |
| 50 | 3.571427 |
| 100 | 7.142855 |
| 1,000 | 71.428549 |
Pounds and Stones explained
Pounds (lb): Sixteen ounces (453.592 g), the everyday imperial unit of weight in the US and UK.
Stones (st): Fourteen pounds (6.35 kg), used for body weight in the UK and Ireland.
When you'd convert pounds to stones
You'll convert pounds to stones whenever a measurement is given in one unit but you need it in the other — comparing pounds and stones figures across regions, following a recipe or spec, or double-checking a number. Because 1 lb is exactly 0.071429 st, the result is precise every time.
Frequently asked questions
How many stones are in a pound?
One lb equals 0.071429 st. Multiply your pounds figure by 0.071429 to get stones.
What is the formula to convert pounds to stones?
stones = pounds × 0.071429. The factor 0.071429 is exact.
What is 2 pounds in stones?
2 lb = 0.142857 st. You can enter any value in the converter above to get an instant result.
Is this Pounds to Stones converter accurate?
Yes. It uses the standard conversion factor (1 lb = 0.071429 st) defined by BIPM — SI Brochure (definition of the kilogram), so results are exact to several decimal places.