Foot lbs to Inch lbs Converter
Switch between foot-pounds (ft-lb) and inch-pounds (in-lb) for torque and energy measurements.
Result:
Conversion Formulas
Foot-pounds to inch-pounds: multiply by 12. Inch-pounds to foot-pounds: divide by 12.
ft-lb to in-lb: in-lb = ft-lb × 12
in-lb to ft-lb: ft-lb = in-lb ÷ 12
Example: 5 ft-lb becomes 60 in-lb (5 × 12).
Visual Comparison
Bar chart shows equivalent values: 1 ft-lb = 12 in-lb, scaling up to 10 ft-lb.
Foot lbs to Inch lbs Chart
| Foot-Pounds (ft-lb) | Inch-Pounds (in-lb) |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 3 | 36 |
| 5 | 60 |
| 10 | 120 |
| 20 | 240 |
| 50 | 600 |
| 100 | 1200 |
| Inch-Pounds (in-lb) | Foot-Pounds (ft-lb) |
|---|---|
| 12 | 1 |
| 60 | 5 |
| 120 | 10 |
| 240 | 20 |
| 600 | 50 |
| 1200 | 100 |
Notation Differences
- US often writes lb-ft (pound-force foot); Europe prefers ft-lb.
- Both mean same torque: 1 lb-ft = 12 lb-in regardless of order.
- Check specs: torque wrenches may list ft-lb or in-lb.
Common Questions
How many inch-pounds in 1 foot-pound?
Exactly 12 inch-pounds.
Why divide by 12 for in-lb to ft-lb?
12 inches per foot defines the ratio.
Works for torque or energy?
Yes, both use ft-lb and in-lb units.
Decimal precision?
Handles up to three decimals automatically.
References
InchCalculator.com. “Foot-Pounds to Inch-Pounds Conversion (lb-ft to lb-in)”. Accessed December 2025.
TheCalculatorSite.com. “Inch-Pounds to Foot-Pounds (in-lb to ft-lb) Converter”. Accessed December 2025.
Misumi-ec.com. “Inch Pounds to Foot Pounds Converter | Calculator & Table”. Updated September 2025.