An avoirdupois pound is exactly 0.45359237 kilograms.
Pounds to Stones
Convert pounds (lb) to stones (st) instantly. Free online weight converter with formulas, tables and examples.
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A stone is 14 pounds.
st = lb × 0.0714285714286
Results update instantly for Pounds to Stones conversions.
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Formula
st = lb × 0.0714285714286
lb = st ÷ 0.0714285714286
Conversion table
| 1 lb | 0.071429 st |
| 5 lb | 0.357143 st |
| 10 lb | 0.714286 st |
| 20 lb | 1.428571 st |
| 50 lb | 3.571429 st |
| 100 lb | 7.142857 st |
| 500 lb | 35.714286 st |
| 1000 lb | 71.428571 st |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the pound (lb). An avoirdupois pound is exactly 0.45359237 kilograms.
What is the destination unit in this conversion?
The destination unit is the stone (st). A stone is 14 pounds.
How do I convert pounds to stones?
Multiply the number of pounds by 0.0714285714286 to get the equivalent value in stones. For example, 5 lb × 0.0714285714286 = 0.357143 st.
Is the pound to stone conversion exact?
Yes. This converter uses a fixed factor of 0.0714285714286, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between pound and stone values.
Can I convert stones back to pounds?
Yes. Multiply the stones value by 14, or divide it by 0.0714285714286, to convert back to pounds.
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About this conversion
This page converts pounds (lb) into stones (st) using the Universal Converter's mass conversion engine.
Pound-to-Stone conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is st = lb × 0.0714285714286, based on the standard definitions of pound and stone.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Pound: An avoirdupois pound is exactly 0.45359237 kilograms. Stone: A stone is 14 pounds.