Our Newton-meters to foot-pounds converter provides precise torque conversions with 4 decimal places precision by default.
*Supports Newton-meters (Nm) to foot-pounds (ft-lbs) and ft-lbs to Nm conversion
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Reference table for common Newton-meters to foot-pounds conversions (rounded to 4 decimal places)
| Newton-meters (Nm) | Foot-pounds (ft-lbs) | Newton-meters (Nm) | Foot-pounds (ft-lbs) |
|---|---|---|---|
| 1 Nm | 0.7376 ft-lbs | 150 Nm | 110.6343 ft-lbs |
| 5 Nm | 3.6878 ft-lbs | 200 Nm | 147.5124 ft-lbs |
| 10 Nm | 7.3756 ft-lbs | 300 Nm | 221.2686 ft-lbs |
| 20 Nm | 14.7512 ft-lbs | 500 Nm | 368.7810 ft-lbs |
| 50 Nm | 36.8781 ft-lbs | 1000 Nm | 737.5621 ft-lbs |
| 100 Nm | 73.7562 ft-lbs | 2000 Nm | 1475.1243 ft-lbs |
Learn how to convert Newton-meters to foot-pounds manually with step-by-step instructions
The relationship between Newton-meters (Nm) and foot-pounds (ft-lbs) is based on the conversion of metric to imperial units:
1 Newton-meter (Nm) ≈ 0.737562149 foot-pounds (ft-lbs)
This conversion factor is derived from the relationship between the Newton (metric unit of force) and the pound-force (imperial unit of force), combined with the meter to foot length conversion.
To convert Newton-meters to foot-pounds, use the following formula:
Example: Convert 50 Nm to ft-lbs
Foot-pounds = 50 Nm × 0.737562149
Foot-pounds = 36.87810745
Foot-pounds = 36.8781 ft-lbs (rounded to 4 decimals)
To convert foot-pounds to Newton-meters, use the inverse formula:
Example: Convert 50 ft-lbs to Nm
Newton-meters = 50 ft-lbs ÷ 0.737562149
Newton-meters = 67.79089741
Newton-meters = 67.7909 Nm (rounded to 4 decimals)
The required precision depends on your application:
Discover where Newton-meters to foot-pounds conversion is essential in various fields
Torque specifications for bolts and fasteners in vehicles often use both units. Proper conversion ensures components are tightened to manufacturer specifications, preventing damage or failure.
Engineers working with international specifications need to convert between metric (Nm) and imperial (ft-lbs) torque units when designing machinery and mechanical systems.
Homeowners using torque wrenches often encounter both units on tool specifications and assembly instructions, requiring conversion for proper fastener tightening.
Precise torque specifications are critical in aircraft maintenance and manufacturing, where both metric and imperial units are used internationally.
Production lines using equipment from different countries require torque unit conversion to maintain consistent quality and safety standards.
Bicycle, motorcycle, and other sports equipment manufacturers specify torque settings for components in both units, requiring conversion for proper maintenance.
Answers to common questions about Nm to ft-lbs conversion
Newton-meters (Nm) and foot-pounds (ft-lbs) are both units of torque, but they belong to different measurement systems. Nm is part of the metric system, while ft-lbs is part of the imperial system. Torque measures the rotational force applied to an object, calculated as force multiplied by the distance from the rotation axis.
Precise torque conversion is critical because under-tightening can lead to loose components and failure, while over-tightening can damage threads, break fasteners, or warp parts. In critical applications like automotive, aerospace, and industrial machinery, incorrect torque can lead to safety hazards, equipment damage, and costly repairs.
Newton-meters (Nm) are used in most countries that adopt the metric system, including all European countries, Canada, Australia, and Japan. Foot-pounds (ft-lbs) are primarily used in the United States and a few other countries that still use the imperial system for certain measurements. Many industries now provide specifications in both units to accommodate international markets.
The conversion factor of 1 Nm = 0.737562149 ft-lbs is highly accurate for most practical applications. It's derived from the exact relationship: 1 newton = 0.224808943 pound-force and 1 meter = 3.2808399 feet. For scientific or extremely precise engineering applications, more decimal places may be used, but 4-5 decimal places are sufficient for nearly all professional and DIY uses.
While Newton-meters can also be used as a unit of energy (1 Nm = 1 joule), foot-pounds as an energy unit (ft-lb) is slightly different from foot-pounds as a torque unit (ft-lbs). However, the numerical conversion factor remains the same. For most practical purposes, this converter can be used for both energy and torque conversions between these units, as the difference is primarily semantic in common usage.
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Accurately convert Newton-meters (Nm) to foot-pounds (ft-lbs) and vice versa with 4 decimal places precision by default.
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