lbf·in to lbf·ft Converter
Quick answer: To convert lbf·in to lbf·ft, multiply by 0.08333333. For example, 10 lbf·in is 0.8333333 lbf·ft. One pound-force inch equals 0.08333333 lbf·ft.
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Use the lbf·in to lbf·ft Converter
lbf·in to lbf·ft formula and what each symbol means
lbf·ft = lbf·in × 0.08333333
| Symbol | Meaning |
|---|---|
| lbf·in | Pound-force inch |
| lbf·ft | Pound-force foot |
lbf·in to lbf·ft examples
1 lbf·in
1 lbf·in × 0.08333333 = 0.08333333 lbf·ft.
10 lbf·in
10 lbf·in × 0.08333333 = 0.8333333 lbf·ft.
100 lbf·in
100 lbf·in × 0.08333333 = 8.333333 lbf·ft.
lbf·in compared with lbf·ft
One lbf·ft is 12 times as large as one lbf·in, so your number gets smaller when you convert lbf·in to lbf·ft and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About lbf·in and lbf·ft
Pound-force inch (lbf·in): One twelfth of a pound-force foot. Pound-force foot (lbf·ft): Torque from one pound-force at one foot, about 1.35582 N·m.
Where lbf·in to lbf·ft conversions are used
Bolt tightening specs are given in N·m, lbf·ft or lbf·in. Electric motors and gearboxes list rated and peak torque.
How to calculate lbf·in to lbf·ft step by step
- Enter the value in lbf·in (the starting unit).
- Multiply by 0.08333333, because 1 lbf·in = 0.08333333 lbf·ft.
- The product is the value in lbf·ft. To go back, divide by 0.08333333 or multiply by 12.
Popular torque conversions
How to read your lbf·in to lbf·ft result
Quick estimate: multiply by about 0.083 to get lbf·ft from lbf·in; this is within 0.4% of the exact factor. Torque is force times lever arm.
| LBF·IN | LBF·FT |
|---|---|
| 1 | 0.08333333 |
| 2 | 0.1666667 |
| 5 | 0.4166667 |
| 10 | 0.8333333 |
| 20 | 1.666667 |
| 50 | 4.166667 |
| 100 | 8.333333 |
| 1,000 | 83.33333 |
lbf·ft to lbf·in: quick table
| LBF·FT | LBF·IN |
|---|---|
| 1 | 12 |
| 5 | 60 |
| 10 | 120 |
| 25 | 300 |
| 50 | 600 |
| 100 | 1,200 |
| 250 | 3,000 |
| 500 | 6,000 |
Common mistakes when calculating lbf·in to lbf·ft
- Mixing lbf·in and lbf·ft: a factor of 12.
- Dividing when you should multiply: from lbf·in to lbf·ft multiply by 0.08333333; from lbf·ft to lbf·in divide by 0.08333333.
lbf·in to lbf·ft FAQ
How many lbf·ft are in 1 lbf·in?
1 lbf·in equals 0.08333333 lbf·ft.
How many lbf·in are in 1 lbf·ft?
1 lbf·ft equals 12 lbf·in.
Is 1 lbf·in = 0.08333333 lbf·ft an exact conversion?
The factor is shown rounded to 7 significant figures (0.08333333). The calculator above uses more digits.
What is a pound-force foot (lbf·ft)?
Torque from one pound-force at one foot, about 1.35582 N·m.
How can I estimate lbf·in to lbf·ft in my head?
Quick estimate: multiply by about 0.083 to get lbf·ft from lbf·in; this is within 0.4% of the exact factor.
What is 150 lbf·in in lbf·ft?
150 lbf·in = 12.5 lbf·ft (since 150 × 0.08333333).
What is 0.5 lbf·in in lbf·ft?
0.5 lbf·in = 0.04166667 lbf·ft (since 0.5 × 0.08333333).
What is 25 lbf·in in lbf·ft?
25 lbf·in = 2.083333 lbf·ft (since 25 × 0.08333333).
How many decimals should I keep when converting lbf·in to lbf·ft?
Match the precision of your original measurement. For example, 0.8333333 lbf·ft rounds to 0.833 lbf·ft at 3 significant figures; keep more digits only for engineering or scientific work.
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors