Pounds to Stone Converter
Convert pounds to stone. The formula used here is 1 pound = 0.0714285714286 stone. The formula is st = lb × 0.0714285714286; 1 lb is 0.071429 st.
A US customary and imperial weight unit used for body, parcel, and food weights.
An imperial body-weight unit equal to 14 pounds.
Start with your value in pounds, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.
For freight, food, medicine, and fitness work, keep enough decimal places to match the measuring device and round the displayed value only after the conversion.
Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself. This page displays converted values with up to 6 decimal places by default.
| Pounds | Stone |
|---|---|
| 1 lb | 0.071429 st |
| 5 lb | 0.357143 st |
| 10 lb | 0.714286 st |
| 50 lb | 3.571429 st |
| 100 lb | 7.142857 st |
| 200 lb | 14.285714 st |
Useful for checking parcel and freight weights. Use the same formula with your exact input if the measurement needs to be documented.
Useful for scaling recipes or reading nutrition labels. Use the same formula with your exact input if the measurement needs to be documented.
Useful for fitness, health, and lab measurements. Use the same formula with your exact input if the measurement needs to be documented.
How do I convert pounds to stone?
Enter the value in pounds and apply st = lb × 0.0714285714286. Round the stone result after the conversion, not before.
What is 1 pound in stone?
1 lb equals 0.071429 st with the current rounding setting. Keep more decimal places when the result feeds another calculation.
What is 5 lb in st?
5 lb is 0.357143 st. It appears in the lookup table so you can compare it with nearby amounts.
Can I convert stone back to pounds?
Yes. Use the reverse Stone to Pounds converter if you need to go the other direction.
How accurate is this pounds to stone conversion?
The calculator runs the formula in your browser and rounds results to 6 decimal places by default. Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself.