Pounds to Stones
Convert pounds to stones instantly. 1 lb = 0.0714285714 st. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert pounds to stones
To convert pounds to stones, divide by 14 (multiply by 0.0714285714). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
st = lb × 0.0714285714
Pounds to Stones conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Pounds | Stones |
|---|---|
| 1 lb | 0.071429 st |
| 2 lb | 0.142857 st |
| 3 lb | 0.214286 st |
| 5 lb | 0.357143 st |
| 10 lb | 0.714286 st |
| 20 lb | 1.428571 st |
| 25 lb | 1.785714 st |
| 50 lb | 3.571429 st |
| 100 lb | 7.142857 st |
| 500 lb | 35.714286 st |
| 1,000 lb | 71.428571 st |
What is a pound?
Exactly 0.45359237 kg by international agreement.
What is a stone?
14 pounds. Still the everyday unit for body weight in the UK and Ireland.
The formula
st = lb × 0.0714285714
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Pounds to Stones
- Type the number of pounds you want to convert.
- Read the result in stones straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked stones to pounds page.
Pounds to Stones — frequently asked questions
How many stones are in a pound?
One pound equals 0.0714285714 st. st = lb × 0.0714285714
What is the formula to convert pounds to stones?
The formula is st = lb × 0.0714285714. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert stones back to pounds?
Divide instead of multiplying: one stone is 14 lb. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this pounds to stones free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the pounds to stones.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error