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Use this inch pounds to foot pounds converter to convert in lbs to ft lbs, inch lbs to ft lbs, or ft lbs to in lbs instantly. It is an exact in-lb to ft-lb conversion using 1 ft-lb = 12 in-lbs, with popular examples like 89 in lbs to ft lbs and 120 inch pounds to foot pounds. Perfect for automotive torque specs, tool calibration, and mechanical work.
Last updated: January 24, 2026
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How it works:
Enter a value in either field to convert to the other unit. Conversions update automatically as you type.
Conversion factor: 1 ft-lb = 12 in-lbs
Definition
1 in-lb = 1 lbf × 1 in
The imperial unit for torque, representing the rotational force produced by one pound-force applied at a distance of one inch from the rotation axis.
Conversion
1 ft-lb = 12 in-lbs
The imperial unit for torque, representing the rotational force produced by one pound-force applied at a distance of one foot from the rotation axis.
For 120 inch-pounds (in-lbs):
Foot-pounds
10 ft-lb
Conversion Factor
12 in-lbs/ft-lb
Our in-lbs to ft-lb converter uses the exact conversion factor based on the fundamental relationship between inches and feet. All conversions are calculated in real-time as you type, ensuring instant and accurate results for torque measurements in automotive, engineering, and construction applications.
1 foot-pound (ft-lb) = 12 inch-pounds (in-lbs)1 inch-pound (in-lb) = 0.083333... foot-pounds (ft-lb)To convert in-lbs to ft-lb: ft-lb = in-lbs ÷ 12To convert ft-lb to in-lbs: in-lbs = ft-lb × 12This conversion is mathematically exact because both units use the same force measurement (pounds-force) and differ only in the distance measurement. Since 1 foot equals exactly 12 inches, the conversion factor is precise with no rounding errors.
Torque is a measure of rotational force—the force that causes an object to rotate around an axis. It's a fundamental concept in mechanics, essential for understanding how rotational systems work. Torque is calculated by multiplying force by distance from the rotation point.
Torque conversion between inch-pounds and foot-pounds is essential in many practical scenarios. Automotive mechanics need to convert between these units when working with different torque wrench scales. Engineers convert units when using tools calibrated in different systems. Construction workers convert torque values when following specifications that use different units.
Quick reference for common inch pounds to foot pounds conversion searches:
| in-lbs | ft-lb |
|---|---|
| 44 in-lbs | 3.667 ft-lb |
| 65 in-lbs | 5.417 ft-lb |
| 70 in-lbs | 5.833 ft-lb |
| 71 in-lbs | 5.917 ft-lb |
| 74 in-lbs | 6.167 ft-lb |
| 89 in-lbs | 7.417 ft-lb |
| 106 in-lbs | 8.833 ft-lb |
| 120 in-lbs | 10 ft-lb |
| 133 in-lbs | 11.083 ft-lb |
| 159 in-lbs | 13.25 ft-lb |
| 177 in-lbs | 14.75 ft-lb |
| 200 in-lbs | 16.667 ft-lb |
| 212 in-lbs | 17.667 ft-lb |
| 240 in-lbs | 20 ft-lb |
| 248 in-lbs | 20.667 ft-lb |
| 266 in-lbs | 22.167 ft-lb |
| 500 in-lbs | 41.667 ft-lb |
Using the correct torque is critical for safety and performance. Insufficient torque can cause fasteners to loosen, leading to mechanical failures. Excessive torque can strip threads, damage components, or cause stress fractures. Accurate conversion between units ensures you apply the correct torque regardless of which unit system your tools or specifications use.
Need help with other torque conversions? Check out our Nm to ft-lb converter and Nm to in-lbs converter.
Get Custom Calculator for Your PlatformResult: 120 inch-pounds equals 10 foot-pounds
This conversion is commonly used in automotive applications when working with torque specifications that use different unit systems.
89 in-lbs = ?
89 in-lbs = 7.417 ft-lb
5 ft-lb = ?
5 ft-lb = 60 in-lbs
Popular searches: 89 inch pounds to foot pounds, 106 in lbs to ft lbs, 120 in lbs to ft lbs, 133 in lbs to ft lbs, 200 in lbs to ft lbs, and convert 240 inch pounds to foot pounds.
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