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# pandas.Index.nbytes

property Index.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

  For Series:

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

  For Index:

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