Convert in-lbs to ft-lbs
Inch-pounds to foot-pounds. Enter a value to convert, or use the in-lbs to ft-lbs chart further down the page.
1 inch-pound equals 0.08333333333 foot-pounds. Going the other way, 1 foot-pound = 12 inch-pounds.
Note. Torque and energy share the same dimensions, so a newton metre and a joule are numerically identical — but they are not interchangeable in meaning. Keep torque figures in torque units.
How to convert in-lbs to ft-lbs
To convert inch-pounds to foot-pounds, multiply the inch-pound value by 0.08333333333. You can also divide by 12 to get the same answer.
ft·lb = in·lb × 0.08333333333
Worked example
Convert 15 in·lb to foot-pounds:
15 in·lb = 1.25 ft·lb
in-lbs to ft-lbs conversion chart
Use this in-lbs to ft-lbs table for quick reference without typing anything.
| inch-pounds (in·lb) | foot-pounds (ft·lb) |
|---|---|
| 0.01 in·lb | 0.0008333333333 ft·lb |
| 0.1 in·lb | 0.008333333333 ft·lb |
| 1 in·lb | 0.08333333333 ft·lb |
| 2 in·lb | 0.1666666667 ft·lb |
| 3 in·lb | 0.25 ft·lb |
| 5 in·lb | 0.4166666667 ft·lb |
| 10 in·lb | 0.8333333333 ft·lb |
| 20 in·lb | 1.666666667 ft·lb |
| 50 in·lb | 4.166666667 ft·lb |
| 100 in·lb | 8.333333333 ft·lb |
| 1,000 in·lb | 83.33333333 ft·lb |
What is a inch-pound?
An inch-pound is one twelfth of a foot-pound, about 0.113 Nm. Small fasteners, electronics and aviation hardware are specified in inch-pounds because foot-pound figures would be inconveniently small.
What is a foot-pound?
A foot-pound of torque is one pound-force applied one foot from the pivot, about 1.356 Nm. US fastener specifications and engine output figures use it. Some manuals write it lb-ft to distinguish torque from energy.
Frequently asked questions
How many ft-lbs are in an inch-pound?
1 in-lbs equals 0.08333333333 ft-lbs. Going the other way, 1 ft-lbs is 12 in-lbs.
How do you convert in-lbs to ft-lbs?
To convert inch-pounds to foot-pounds, multiply the inch-pound value by 0.08333333333. You can also divide by 12 to get the same answer.
What is 10 in-lbs in ft-lbs?
10 in-lbs equals 0.8333333333 ft-lbs. The conversion chart on this page lists the other values people look up most often.
Related torque conversions
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