Torque Conversion Calculator

Convert between Newton-meters, foot-pounds, inch-pounds, kilogram-force meters, and more. Essential tool for engineers, mechanics, and DIY enthusiasts.

Enter the torque value and select its unit of measurement
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73.76
Foot-pounds (ft·lb)
Equivalent to 100 N·m
Comparison
100 N·m
Input Value Converted Value
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Unit Symbol Value Relative to Input

Understanding Torque

Torque is a measure of the rotational force applied to an object. It's calculated as the product of force and the perpendicular distance from the pivot point to the line of action of the force.

Torque Formula:

τ = r × F = r · F · sin(θ)

where τ is torque, r is the distance from the pivot, F is the force applied, and θ is the angle between the force vector and lever arm.

Common Applications of Torque

Automotive Engineering

Engine torque specifications, wheel lug nut tightening, suspension components. Typical automotive torque values range from 20-150 N·m for most fasteners.

Industrial Machinery

Bolt tensioning in construction, assembly line tools, heavy equipment maintenance. Industrial applications can require torque from 1 N·m up to several thousand N·m.

Bicycle Maintenance

Crank bolts, stem bolts, seat post clamps. Bicycle components typically require precise torque settings from 4-40 N·m to prevent damage.

Torque Units Explained

Unit Symbol Common Usage
Newton-meter N·m International standard (SI), automotive, engineering
Foot-pound ft·lb United States, automotive (US), aviation (US)
Inch-pound in·lb Small fasteners, electronics, precision equipment
Kilogram-force meter kgf·m Some engineering applications, especially in Asia
Dyne centimeter dyn·cm Scientific applications, small-scale measurements

Calculator Features:

  • Converts between 15+ torque units including SI, imperial, and metric units
  • Real-time conversion with immediate results
  • Visual comparison between input and output values
  • Compact unit selector with preset options
  • Quick conversion buttons for common torque values

Frequently Asked Questions

Torque is a measure of rotational force, while horsepower is a measure of power (the rate at which work is done). Horsepower is calculated from torque and rotational speed: HP = (Torque × RPM) / 5252 (for foot-pounds) or HP = (Torque × RPM) / 7121 (for Newton-meters).

Different regions and industries have historically used different measurement systems. Newton-meters are part of the International System of Units (SI) used worldwide in science and engineering. Foot-pounds and inch-pounds are part of the imperial system still used in the United States for many applications.