Pounds to Stone
A pound is exactly 0.45359237 kilograms, the everyday unit for body weight and groceries in the US. A stone is 14 pounds, about 6.35 kilograms, the traditional unit for body weight in the UK and Ireland. 1 lb equals ≈0.0714286 st, so converting between them is a matter of multiplying by that fixed factor — type any value into the converter below and both sides update instantly as you type.
Both units belong to mass, measured here against mass's base unit (kg) — every other mass unit on this site converts through that same reference point, which is why the table below can also be read as a quick cross-check against nearby values.
Formula
st = lb × ≈0.0714286
lb = st × 14
Worked example: 5 lb × ≈0.0714286 = ≈0.357143 st.
Conversion table
| Pound (lb) | Stone (st) |
|---|---|
| 1 lb | ≈0.0714286 st |
| 2 lb | ≈0.142857 st |
| 3 lb | ≈0.214286 st |
| 5 lb | ≈0.357143 st |
| 10 lb | ≈0.714286 st |
| 20 lb | ≈1.42857 st |
| 25 lb | ≈1.78571 st |
| 50 lb | ≈3.57143 st |
| 100 lb | ≈7.14286 st |
| 250 lb | ≈17.8571 st |
| 500 lb | ≈35.7143 st |
| 1,000 lb | ≈71.4286 st |
Frequently asked
- How many Stone in a pound?
- 1 lb equals ≈0.0714286 st.
- How do I convert Pounds to Stone?
- Multiply the value in lb by ≈0.0714286 to get st. The converter above does this instantly as you type.
- Is the conversion exact?
- Yes — Pound and Stone are both defined by a fixed conversion factor to mass's base unit (kg), so the result shown is exact to the precision displayed, not an approximation.