Torque Converter
Convert between different units of torque with precision and ease.
Torque Converter
Instant conversion between torque units
⚡ Popular Conversions
About Torque Conversion
SI Units
International System torque units.
- • Newton-meter (N⋅m) - Base SI unit
- • Kilonewton-meter (kN⋅m) - 1,000 N⋅m
- • Dyne-centimeter (dyn⋅cm) - 10⁻⁷ N⋅m
- • 1 N⋅m - Force × perpendicular distance
Imperial Units
US/UK torque measurement units.
- • Foot-pound (ft⋅lbf) - 1.356 N⋅m
- • Pound-inch (lbf⋅in) - 0.113 N⋅m
- • Ounce-inch (oz⋅in) - 0.00706 N⋅m
- • Common in automotive - Engine specifications
Gravitational Units
Weight-based torque units.
- • Kilogram-meter (kg⋅m) - 9.807 N⋅m
- • Gram-centimeter (g⋅cm) - 9.807×10⁻⁵ N⋅m
- • Based on gravity - g = 9.80665 m/s²
- • Historical usage - Engineering applications
Applications
Common uses of torque measurements.
- • Automotive - Engine torque specs
- • Mechanical - Bolt tightening
- • Robotics - Motor control
- • Manufacturing - Assembly processes
- • Aerospace - Component fastening
Understanding Torque Units
Torque is a measure of the rotational force applied to an object, measured in newton-meters (N⋅m) as the base SI unit. Also known as moment of force, torque is calculated as the product of force and the perpendicular distance from the axis of rotation to the line of action of the force.
In automotive engineering, torque specifications are critical for proper assembly and safety. Engine torque determines the rotational power output, while fastening torque ensures proper bolt tension without over-tightening. Understanding torque unit conversions is essential for international collaboration and component specifications.
The relationship between torque and power is fundamental in mechanical systems. While torque measures the twisting force, power combines torque with rotational speed. This distinction is crucial in motor selection, transmission design, and performance evaluation of rotating machinery.
Imperial units such as foot-pounds (ft⋅lbf) are commonly used in the United States, particularly in automotive and mechanical applications. The pound-inch (lbf⋅in) is preferred for smaller torque values, such as electronic component assembly and precision instruments.
Modern torque measurement utilizes torque wrenches, transducers, and dynamometers that provide precise control and measurement capabilities. These instruments require accurate unit conversions for proper calibration and to ensure compliance with international standards and safety requirements in manufacturing and maintenance operations.