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Force

Convert between different units of force used in physics, engineering, and everyday applications

Force Converter

Convert between different units of force used in physics, engineering, and everyday applications

Conversion Result

1N
Newton
=
0kN
Kilonewton

Fun Facts

Finger Tap (1-3 N)
The force of tapping your phone screen. Also the force of your motivation on Monday mornings.

About Force

Explore force units from classical mechanics to modern engineering applications

Historical Context

Force measurement has evolved significantly throughout history. Ancient civilizations used weights and simple machines to measure forces. The concept of force was formalized by Isaac Newton in the 17th century with his laws of motion. The newton, named after him, became the standard SI unit of force. Different regions and industries developed their own units: pound-force in English-speaking countries, kilogram-force in continental Europe, and dyne in scientific contexts.

Modern Standards

Today, the newton (N) is the standard SI unit for force, defined as the force needed to accelerate a 1 kg mass at 1 m/s². While the newton is the scientific standard, specialized fields continue to use traditional units: pound-force (lbf) in American engineering, kilogram-force (kgf) in some mechanical applications, and specialized units in aerospace and naval engineering. The relationship between mass and force units often causes confusion due to the gravitational constant's role in converting between them.

Did you know?

Select a unit to see interesting facts about it.

Conversion Reference

Quick reference for common force conversions

SI Units

Newton

Kilonewton

Meganewton

Giganewton

SI Submultiples

Decinewton

Centinewton

Millinewton

Micronewton

Gravitational Force Units

Kilogram-force

Gram-force

Tonne-force

Imperial/US Customary Units

Pound-force

Ounce-force

Ton-force (short)

Ton-force (long)

CGS Units

Dyne

Historical Units

Pond

Sthène

Pood-force

Slug-force

Derived Units

Joule per meter

Joule per centimeter

Dyne per square centimeter