Stones to Pounds Converter
Enter the weight in stones below to convert it to pounds.
Convert Stones to Pounds
Enter a value in stones (st) to convert to pounds (lb).
Stone to Pound Conversion Table
Table showing various stone measurements converted to pounds. Click any preset value or arrow to load it into the converter.
How to Convert Stones to Pounds
To convert stones to pounds, multiply the weight by the following conversion ratio: 14 pounds/stone.
Since one stone is equal to 14 pounds, you can use this simple formula to convert:
The weight in pounds is equal to the weight in stones multiplied by 14.
For example, here's how to convert 11 stones to pounds using the formula above.
How Many Pounds Are in a Stone?
There are 14 pounds in a stone, which is why we use this value in the formula above.
Our stone to pound calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Stones and pounds are both units used to measure weight. Keep reading to learn more about each unit.
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). [1]
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.
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. [2]
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.
When converting weight between stones (st) and pounds (lb), keep full floating-point precision (1 st = 14 lb; 1 lb = 0.0714286 st) during intermediate calculations and round only the final pound figure to match your instrument tolerance.
More Stone & Pound Conversions
Need to calculate in the opposite direction? Use our pounds to stones converter (lb to st) to switch your starting unit immediately. You can also explore related tools such as converting kilograms to pounds, converting ounces to pounds, or converting stones to kilograms.
Convert from Stones
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Stones (st) to Pounds (lb)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Stone (UK) (st) & Pound (Avoirdupois) (lb)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (st to lb)