Free · Torque conversions
Inch-Pounds & Foot-Pounds Torque Conversion Calculator
Convert inch-pounds & foot-pounds torque 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
12 lbf·in = 1 lbf·ft. The pound here means pound-force. Torque is force multiplied by a lever-arm length, so changing inches to feet divides the numerical value by twelve.
12 lbf·in = 1 lbf·ft
Worked example
Enter these known values and leave the other values blank.
- Inch-pounds
- 12 in-lbs
- Foot-pounds
- 1 ft-lb
Assumptions and limitations
- The pound here means pound-force. Torque is force multiplied by a lever-arm length, so changing inches to feet divides the numerical value by twelve.
- A unit change preserves the quantity. Select the desired unit before entering a new measurement.
Common questions
Which torque definition does this tool use?
The pound here means pound-force. Torque is force multiplied by a lever-arm length, so changing inches to feet divides the numerical value by twelve.
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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