Engineering Units
Torque Converter
Torque is the turning effect of a force about an axis, in newton-metres. Although dimensionally similar to energy, it is a distinct quantity and must not be mixed with it.
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About this category: Torque
Torque is the turning effect of a force about an axis, in newton-metres. Although dimensionally similar to energy, it is a distinct quantity and must not be mixed with it.
Torque = force × lever arm, in N·m. Do not confuse torque with energy despite the dimensional similarity.
Practical uses
- Tightening bolts to a specified torque
- Shaft and coupling design
- Motors and power transmission
Available units
| Unit | Name | Definition | Classification |
|---|---|---|---|
| N·m | Newton-metre | The SI unit of torque. | SI Derived |
| kN·m | Kilonewton-metre | One thousand N·m, common for structural moments. | SI Derived |
| N·cm | Newton-centimetre | A small torque used for fine components. | SI Derived |
| kgf·m | Kilogram-force-metre | One kgf·m = 9.80665 N·m. | Non-SI |
| lbf·ft | Pound-force-foot | One lbf·ft = 1.35582 N·m. | Non-SI |
| lbf·in | Pound-force-inch | One lbf·in = 0.112985 N·m. | Non-SI |
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Common engineering conversions
Megapascal ↔ Pound per Square InchMegapascal ↔ BarKilogram-force per square centimetre ↔ MegapascalPound per Square Inch ↔ BarMPa = N/mm² (identical)Kilonewton ↔ NewtonKilonewton ↔ Kilogram-forceCubic Meter ↔ Cubic FootSquare Meter ↔ Square FootKilogram per Cubic Meter ↔ Pound per Cubic FootMillimeter ↔ InchCentimeter ↔ InchMeter ↔ FootNewton-metre ↔ Pound-force-footCubic Meter per Second ↔ Cubic Meter per Hour