Convert Pound-Force Inch to Pound-Force Foot
Live bidirectional calculator for Pound-Force Inches (lbf·in) and Pound-Force Feet (lbf·ft) with verified formula and conversion charts.
Torque7 units
How the Calculation Works (Linear Scaling)
Since 1 Pound-Force Foot = 12 Pound-Force Inches, divide the value in Pound-Force Inches by 12.
Pound-Force Inch to Pound-Force Foot Conversion Table
Precomputed values for quick reference and printing.
| Pound-Force Inch | Pound-Force Foot |
|---|---|
| 1 lbf·in | 0.0833 lbf·ft |
| 2 lbf·in | 0.1667 lbf·ft |
| 3 lbf·in | 0.25 lbf·ft |
| 4 lbf·in | 0.3333 lbf·ft |
| 5 lbf·in | 0.4167 lbf·ft |
| 6 lbf·in | 0.5 lbf·ft |
| 7 lbf·in | 0.5833 lbf·ft |
| 8 lbf·in | 0.6667 lbf·ft |
| 9 lbf·in | 0.75 lbf·ft |
| 10 lbf·in | 0.8333 lbf·ft |
| 15 lbf·in | 1.25 lbf·ft |
| 20 lbf·in | 1.6667 lbf·ft |
| 25 lbf·in | 2.0833 lbf·ft |
| 30 lbf·in | 2.5 lbf·ft |
| 40 lbf·in | 3.3333 lbf·ft |
| 50 lbf·in | 4.1667 lbf·ft |
| 75 lbf·in | 6.25 lbf·ft |
| 100 lbf·in | 8.3333 lbf·ft |
| Pound-Force Foot | Pound-Force Inch |
|---|---|
| 1 lbf·ft | 12 lbf·in |
| 2 lbf·ft | 24 lbf·in |
| 3 lbf·ft | 36 lbf·in |
| 4 lbf·ft | 48 lbf·in |
| 5 lbf·ft | 60 lbf·in |
| 6 lbf·ft | 72 lbf·in |
| 7 lbf·ft | 84 lbf·in |
| 8 lbf·ft | 96 lbf·in |
| 9 lbf·ft | 108 lbf·in |
| 10 lbf·ft | 120 lbf·in |
| 15 lbf·ft | 180 lbf·in |
| 20 lbf·ft | 240 lbf·in |
| 25 lbf·ft | 300 lbf·in |
| 30 lbf·ft | 360 lbf·in |
| 40 lbf·ft | 480 lbf·in |
| 50 lbf·ft | 600 lbf·in |
| 75 lbf·ft | 900 lbf·in |
| 100 lbf·ft | 1200 lbf·in |
About Pound-Force Inch (lbf·in)
One twelfth of a pound-force foot (≈ 0.112985 N·m), representing one pound-force applied to a one-inch lever arm.
History: Standard US engineering unit for small fasteners and precision mechanical assemblies.
Common Uses: Firearm action screw torque, bicycle carbon fiber seatpost clamps, aircraft instrument fasteners.
About Pound-Force Foot (lbf·ft)
The imperial/US customary unit of torque, equal to the moment resulting from one pound-force applied perpendicularly to a one-foot lever arm (≈ 1.355818 N·m).
History: Traditional American automotive engineering torque standard.
Common Uses: US car and truck engine torque ratings (e.g. 400 lb-ft), automotive wheel lug torque specs.
❓ Frequently Asked Questions
How many Pound-Force Feet are in 1 Pound-Force Inch?
There are exactly 0.083333 Pound-Force Feet in 1 Pound-Force Inch (1 lbf·in = 0.083333 lbf·ft).
What is the formula to convert Pound-Force Inch to Pound-Force Foot?
The formula is: Pound-Force Foot = Pound-Force Inch / 12. Since 1 Pound-Force Foot = 12 Pound-Force Inches, divide the value in Pound-Force Inches by 12.
How do I convert 1 lbf·in to lbf·ft manually?
To convert 1 lbf·in to lbf·ft: apply the formula Pound-Force Foot = Pound-Force Inch / 12. Substituting gives: 1 / 12 = 0.0833 lbf·ft.