Newton Meter Calculator - Convert Torque Units
Free newton meter calculator for converting between different torque units. Convert newton meters (N·m) to pound-force feet (lbf·ft), kilogram-force meters (kgf·m), kilonewton meters (kN·m), and more. Supports 11+ torque units with real-time bidirectional conversion. Perfect for engineering calculations, automotive specifications, and mechanical design applications.
Last updated: January 24, 2026
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Conversion Formula:
1 N·m = 1.35582 lbf·ft
1 lbf·ft = 0.737562 N·m
Enter a value in either field to see the conversion. The calculator updates in real-time as you type. Note: 1 N·m is also equal to 1 joule (J), the SI unit of work and energy.
Conversion Result:
7 nm = 0 dyncm
Equivalent to 7.000000 N·m
Understanding Newton Meters and Torque
Definition
1 N·m = 1 J
A newton meter is the SI unit of torque, representing the force of one newton applied to a moment arm of one meter. It's also equivalent to one joule (J), the SI unit of work and energy. Newton meters are commonly used in engineering, automotive, and mechanical applications.
- Standard SI unit for torque
- Also equals 1 joule
- Used worldwide in engineering
Definition
τ = F × r
Torque is the rotational equivalent of force - the ability of a force to cause an object to rotate around an axis. It's measured as force multiplied by distance from the pivot point. When you tighten a bolt with a wrench, you're applying torque.
- Measures rotational force
- Force × distance
- Critical in mechanical systems
Quick Example Result
Converting 7 newton meters to dyne centimeters:
Input
7 N·m
Result
70,000,000 dyn·cm
How Our Newton Meter Calculator Works
Our newton meter calculator provides instant, accurate conversion between 11+ different torque units. The calculator converts all units to newton meters (N·m) as the base unit, then converts to your desired output unit. This ensures accuracy and consistency across all conversions.
Conversion Formula
1 N·m = 1.35582 lbf·ft1 N·m = 0.10197 kgf·m1 N·m = 0.001 kN·m1 N·m = 1 J (joule)1 N·m = 10,000,000 dyn·cmAll conversions use newton meters as the base unit. The calculator converts your input to N·m first, then converts to your desired output unit. This two-step process ensures accuracy across all unit conversions.
Supported Torque Units
Our calculator supports a comprehensive range of torque units:
Metric Units:
- • Micronewton meters (µN·m): 1 µN·m = 0.000001 N·m
- • Millinewton meters (mN·m): 1 mN·m = 0.001 N·m
- • Newton meters (N·m): Base SI unit
- • Kilonewton meters (kN·m): 1 kN·m = 1000 N·m
- • Kilogram-force meters (kgf·m): 1 kgf·m = 9.80665 N·m
- • Metric ton-force meters (tf·m): 1 tf·m = 9806.65 N·m
- • Dyne centimeters (dyn·cm): 1 dyn·cm = 0.0000001 N·m
Imperial Units:
- • Pound-force feet (lbf·ft): 1 lbf·ft = 1.35582 N·m
- • Poundal feet (pdl·ft): 1 pdl·ft = 0.04214 N·m
- • US ton-force meters: 1 US tf·m = 8896.44 N·m
- • UK ton-force meters: 1 UK tf·m = 9964.02 N·m
Newton Meter and Work/Energy
An important relationship to understand is that 1 newton meter equals 1 joule (J), the SI unit of work and energy. This means that when you apply a force of 1 newton over a distance of 1 meter, you do 1 joule of work. While newton meters are typically used for torque (rotational force), joules are used for work and energy (linear motion).
Key Relationship:
- • 1 N·m = 1 J: Newton meters and joules are equivalent units
- • Torque context: N·m is used for rotational force
- • Energy context: J is used for work and energy
- • Same unit, different application: The physical quantity is the same, but the context differs
Practical Applications
Newton meter conversions are essential in many engineering and mechanical applications. Engineers need to convert between different torque units when working with international standards, comparing specifications, or using equipment from different regions.
Common Use Cases:
- • Automotive engineering: Converting engine torque specifications between metric and imperial units
- • Bolt tightening: Converting torque specifications for fastener installation
- • Electric motors: Converting motor torque ratings between different unit systems
- • Structural engineering: Converting torque values for structural calculations
- • Mechanical design: Converting torque specifications in design documentation
- • International projects: Converting between metric and imperial torque units
Sources & References
- NIST Special Publication 811 - Guide for the Use of the International System of Units (SI)Official reference for SI unit definitions and conversions
- Engineering Mechanics: Statics and Dynamics - R.C. HibbelerComprehensive reference for torque units and conversions in engineering
- SAE International - Automotive Engineering StandardsIndustry standards for torque measurements and conversions
Need help with other torque conversions? Check out our Nm to in-lbs converter and torque to horsepower converter.
Get Custom Calculator for Your PlatformNewton Meter Calculator Examples
Input:
- Torque: 7 N·m
- Target unit: dyne centimeters (dyn·cm)
- Conversion factor: 1 N·m = 10,000,000 dyn·cm
Calculation:
- Step 1: Identify torque: 7 N·m
- Step 2: Apply conversion: 7 × 10,000,000
- Step 3: Calculate result: 70,000,000 dyn·cm
Result: 7 newton meters equals 70,000,000 dyne centimeters
This conversion demonstrates the large difference in scale between newton meters and dyne centimeters. Dyne centimeters are a much smaller unit, so the same torque value appears much larger when expressed in dyn·cm.
2.4 lbf·ft to N·m
2.4 × 1.35582
= 3.254 N·m
10 N·m to kgf·m
10 ÷ 9.80665
= 1.02 kgf·m
5 kN·m to N·m
5 × 1000
= 5,000 N·m
100 N·m to lbf·ft
100 ÷ 1.35582
= 73.76 lbf·ft
Frequently Asked Questions
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