# ››Convert attonewton to zeptonewton

 attonewton zeptonewton

How many attonewton in 1 zeptonewton? The answer is 0.001.
We assume you are converting between attonewton and zeptonewton.
You can view more details on each measurement unit:
attonewton or zeptonewton
The SI derived unit for force is the newton.
1 newton is equal to 1.0E+18 attonewton, or 1.0E+21 zeptonewton.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between attonewtons and zeptonewtons.
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# ››Definition: Attonewton

The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.

So 1 attonewton = 10-18 newtons.

The definition of a newton is as follows:

In physics, the newton (symbol: N) is the SI unit of force, named after Sir Isaac Newton in recognition of his work on classical mechanics. It was first used around 1904, but not until 1948 was it officially adopted by the General Conference on Weights and Measures (CGPM) as the name for the mks unit of force.

# ››Definition: Zeptonewton

The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.

So 1 zeptonewton = 10-21 newtons.

The definition of a newton is as follows:

In physics, the newton (symbol: N) is the SI unit of force, named after Sir Isaac Newton in recognition of his work on classical mechanics. It was first used around 1904, but not until 1948 was it officially adopted by the General Conference on Weights and Measures (CGPM) as the name for the mks unit of force.

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