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The newton is an SI unit of force.

It is defined as being:

The amount of force required to accelerate a mass of one kilogram at a rate of one metre per second squared.

This arises from Newton's Second Law of Motion, which states that such an acceleration exists under the influence of such a force.

Conversion Factors

\(\ds \) \(\) \(\ds 1\) newton
\(\ds \) \(=\) \(\ds 10^5\) dynes
\(\ds \) \(\approx\) \(\ds 0.2248\) pounds force


$\mathrm N$

The symbol for the newton is $\mathrm N$.

Its $\LaTeX$ code is \mathrm N .

Base Units

The SI base units of the newton are:

$\mathrm N := \mathrm {kg} \, \mathrm m \, \mathrm s^{-2}$


$\mathrm {kg}$ denotes kilograms
$\mathrm m$ denotes metres
$\mathrm s$ denotes seconds (of time).

Source of Name

This entry was named for Isaac Newton.