Free · Mass conversions
Pounds & Stone Mass Conversion Calculator
Convert pounds & stone mass with editable results and an explained example.
- Formula & worked example
- Private in your browser
- No signup
Calculator inputs
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How to use this calculator
- Enter the known values in the units shown. Results update as you type.
- Edit a calculated value to solve backwards, or lock a value to hold it fixed.
- Use the worked example to check the method. Reset restores the starting fields.
Private by default
Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.
Formula and method
14 pounds = 1 stone. The stone in this conversion is exactly fourteen international avoirdupois pounds. Both values describe mass; this does not convert to force.
14 pounds = 1 stone
Worked example
Enter these known values and leave the other values blank.
- Weight in lbs
- 14 lb
- Weight in stone
- 1 st
Assumptions and limitations
- The stone in this conversion is exactly fourteen international avoirdupois pounds. Both values describe mass; this does not convert to force.
- A unit change preserves the quantity. Select the desired unit before entering a new measurement.
Common questions
Which mass definition does this tool use?
The stone in this conversion is exactly fourteen international avoirdupois pounds. Both values describe mass; this does not convert to force.
Can I solve the conversion in reverse?
Enter the known quantity in its selected unit and leave the unknown quantity blank. Results retain extra precision internally and are rounded for display.
References
The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.
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