# xarray.CFTimeIndex.nbytes

#### *property* CFTimeIndex.nbytes

Return the number of bytes in the underlying data.

Includes only the memory used by the array values; overhead such as
the index is not included. Useful for estimating memory usage.

#### SEE ALSO
`Series.ndim`
: Number of dimensions of the underlying data.

`Series.size`
: Return the number of elements in the underlying data.

### Examples

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For Series:

```pycon
>>> s = pd.Series(["Ant", "Bear", "Cow"])
>>> s
0     Ant
1    Bear
2     Cow
dtype: str
>>> s.nbytes
34
```

For Index:

```pycon
>>> idx = pd.Index([1, 2, 3])
>>> idx
Index([1, 2, 3], dtype='int64')
>>> idx.nbytes
24
```

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