Newton
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://unitfyi.com/iframe/glossary/newton-def/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://unitfyi.com/glossary/newton-def/Add a dynamic SVG badge to your README or docs.
[](https://unitfyi.com/glossary/newton-def/)Use the native HTML custom element.
Definition
The SI unit of force, equal to the force needed to accelerate 1 kg at 1 m/s².
Explanation
Named after Isaac Newton. The weight of an average apple is approximately 1 newton. Earth's gravity gives a 1 kg mass a weight of about 9.81 N.
RELATED CONVERSIONS
RELATED ARTICLES
From milligrams to metric tons, this guide covers every major weight and mass unit with exact conversion factors, real-world examples, and a clear explanation of why weight and mass are not the same thing.
Temperature Scales Explained: Celsius, Fahrenheit, and KelvinA complete guide to the four temperature scales in scientific and everyday use—Celsius, Fahrenheit, Kelvin, and Rankine—including their history, conversion formulas, and where they intersect.
Power Units Guide: Watts, Horsepower, and BTU/HourPower is the rate of energy transfer — how fast work is done. This guide covers watts, kilowatts, megawatts, horsepower, and BTU/hour with real-world context from light bulbs to power plants.
RELATED TERMS
Meter
The SI base unit of length, defined as the distance light travels in 1/299,792,458 of a second.
Kilogram
The SI base unit of mass, defined by the Planck constant.
Second
The SI base unit of time, defined by the cesium-133 atom.
Kelvin
The SI base unit of temperature, starting at absolute zero.
Ampere
The SI base unit of electric current.