How many molecule in 1 atom?
The answer is 1.

We assume you are converting between **molecule** and **atom**.

You can view more details on each measurement unit:

molecule or
atom

The SI base unit for **amount of substance** is the mole.

1 mole is equal to 6.0221415E+23 molecule, or 6.0221415E+23 atom.

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

Use this page to learn how to convert between molecules and atoms.

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

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This site uses an exact value of 6.0221415 x 10^{23} for Avogadro's number. This is the number of molecules in 1 mole of a chemical compound.

This site uses an exact value of 6.0221415 x 10^{23} for Avogadro's number. This is the number of atoms in 1 mole of a chemical element.

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