Pounds to Stones Converter
Enter the weight in pounds below to convert it to stones.
Convert Pounds to Stones
Enter a value in pounds (lb) to convert to stones (st).
Pound to Stone Conversion Table
Table showing various pound measurements converted to stones. Click any preset value or arrow to load it into the converter.
| Pounds (lb) | Stones (st) |
|---|---|
| 1 lb | 0.0714286 st |
| 2 lb | 0.1428571 st |
| 5 lb | 0.3571429 st |
| 10 lb | 0.7142857 st |
| 15 lb | 1.0714286 st |
| 20 lb | 1.4285714 st |
| 25 lb | 1.7857143 st |
| 30 lb | 2.1428571 st |
| 50 lb | 3.5714286 st |
| 75 lb | 5.3571429 st |
How to Convert Pounds to Stones
To convert pounds to stones, multiply the weight by the following conversion ratio: 0.0714286 stones/pound.
Since one pound is equal to 0.0714286 stones, you can use this simple formula to convert:
The weight in stones is equal to the weight in pounds multiplied by 0.0714286.
For example, here's how to convert 154 pounds to stones using the formula above.
How Many Stones Are in a Pound?
There are 0.0714286 stones in a pound, which is why we use this value in the formula above.
Our pound to stone calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Pounds and stones are both units used to measure weight. Keep reading to learn more about each unit.
What Is a Pound?
A pound is a unit of weight equal to 0.4535924 kilograms (kg), the base unit for weight. Imperial and US Customary unit defined legally as exactly 0.45359237 kg. [1]
The pound is classified as a US customary and imperial unit of weight. Pounds can be abbreviated as lb; for example, 1 pound can be written as 1 lb.
When working with pounds (lb) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, pounds (lb) are widely used across standard weight applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
What Is a Stone?
A stone is a unit of weight equal to 6.3502932 kilograms (kg), the base unit for weight. British imperial unit equal to 14 pounds (6.35029 kg). [2]
The stone is classified as a US customary and imperial unit of weight. Stones can be abbreviated as st; for example, 1 stone can be written as 1 st.
When working with stones (st) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, stones (st) are widely used across standard weight applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting weight between pounds (lb) and stones (st), keep full floating-point precision (1 lb = 0.0714286 st; 1 st = 14 lb) during intermediate calculations and round only the final stone figure to match your instrument tolerance.
More Pound & Stone Conversions
Need to calculate in the opposite direction? Use our stones to pounds converter (st to lb) to switch your starting unit immediately. You can also explore related tools such as converting kilograms to stones, converting pounds to kilograms, or converting pounds to ounces.
Convert from Pounds
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Pounds (lb) to Stones (st)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Pound (Avoirdupois) (lb) & Stone (UK) (st)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (lb to st)