Foot Pounds to Newton Meters Converter
ft-lb to Nm
0 Nm
Nm to ft-lb
0 ft-lb
Popular Conversions
| Foot-Pounds (ft-lb) | Newton-Meters (Nm) |
|---|---|
| 1 | 1.36 |
| 2 | 2.71 |
| 3 | 4.07 |
| 5 | 6.78 |
| 10 | 13.56 |
| 15 | 20.34 |
| 20 | 27.12 |
| 25 | 33.90 |
| 30 | 40.67 |
| 40 | 54.23 |
| 50 | 67.79 |
| 75 | 101.69 |
| 100 | 135.58 |
Conversion Formula
To convert foot pounds to newton meters: Nm = ft-lb × 1.35582
Steps: Multiply input value by 1.35582. For reverse, divide Nm by 1.35582 or multiply by 0.73756.
Example: 15 ft-lb × 1.35582 = 20.34 Nm.
Visual Comparison
Bar graph shows relative scale (1-10 ft-lb equivalents in Nm).
Everyday Applications
- Torque wrench settings for lug nuts (typically 80-100 ft-lb = 108-136 Nm).
- Engine bolt tightening specs in automotive manuals.
- Bicycle pedal torque measurements.
- Power tool adjustments for screws and fasteners.
- Aircraft maintenance torque values.
- HVAC equipment installation fasteners.
Imperial vs Metric Note
Foot-pounds prevail in US/UK for tools and specs, while newton-meters dominate Europe/Asia engineering docs. Mismatches cause errors in global projects.
Frequently Asked Questions
What is exact factor for ft-lb to Nm?
1 ft-lb equals 1.3558179483 Nm precisely.
Is ft-lb same as lb-ft?
Yes, both denote torque; lb-ft preferred technically.
Nm for torque or energy?
Primarily torque; equals joule for energy but context differs.
How accurate is 1.36 approximation?
Sufficient for quick checks; use 1.35582 for precision.
Convert inch-pounds too?
Divide by 12: 12 in-lb = 1 ft-lb, then apply factor.
Why two units exist?
Legacy of FPS vs SI systems.
Safe for car wheel torque?
Always verify vehicle manual specs.
Batch conversions possible?
Enter decimals or use calculator multiple times.
References
Unitconverters.net, “Convert ft lb to Nm”. Accessed 2025.
InchCalculator.com, “Foot-Pounds to Newton-Meters Conversion”. Accessed 2025.
Misumi-ec.com, “Nm to ft-lbs Converter”. Accessed 2025.