How many attometre in 1 metre?
The answer is 1.0E+18.

We assume you are converting between **attometre** and **metre**.

You can view more details on each measurement unit:

attometre or
metre

The SI base unit for **length** is the metre.

1 metre is equal to 1.0E+18 attometre, or 1 metre.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between attometers and metres.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from metre to attometre, or enter any two units below:

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

So 1 attometre = 10^{-18} metre.

The metre, symbol: m, is the basic unit of distance (or of "length", in the parlance of the physical sciences) in the International System of Units. The internationally-accepted spelling of the unit in English is "metre", although the American English spelling meter is a common variant. However, both American and non-American forms of English agree that the spelling "meter" should be used as a suffix in the names of measuring devices such as chronometers and micrometers.

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