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Site Navigation
Getting started
User Guide
API reference
Development
Release notes
GitHub
Twitter
Mastodon
Input/output
General functions
Series
DataFrame
pandas arrays, scalars, and data types
Index objects
pandas.Index
pandas.Index.values
pandas.Index.is_monotonic_increasing
pandas.Index.is_monotonic_decreasing
pandas.Index.is_unique
pandas.Index.has_duplicates
pandas.Index.hasnans
pandas.Index.dtype
pandas.Index.inferred_type
pandas.Index.shape
pandas.Index.name
pandas.Index.names
pandas.Index.nbytes
pandas.Index.ndim
pandas.Index.size
pandas.Index.empty
pandas.Index.T
pandas.Index.memory_usage
pandas.Index.all
pandas.Index.any
pandas.Index.argmin
pandas.Index.argmax
pandas.Index.copy
pandas.Index.delete
pandas.Index.drop
pandas.Index.drop_duplicates
pandas.Index.duplicated
pandas.Index.equals
pandas.Index.factorize
pandas.Index.identical
pandas.Index.insert
pandas.Index.is_
pandas.Index.is_boolean
pandas.Index.is_categorical
pandas.Index.is_floating
pandas.Index.is_integer
pandas.Index.is_interval
pandas.Index.is_numeric
pandas.Index.is_object
pandas.Index.min
pandas.Index.max
pandas.Index.reindex
pandas.Index.rename
pandas.Index.repeat
pandas.Index.where
pandas.Index.take
pandas.Index.putmask
pandas.Index.unique
pandas.Index.nunique
pandas.Index.value_counts
pandas.Index.set_names
pandas.Index.droplevel
pandas.Index.fillna
pandas.Index.dropna
pandas.Index.isna
pandas.Index.notna
pandas.Index.astype
pandas.Index.item
pandas.Index.map
pandas.Index.ravel
pandas.Index.to_list
pandas.Index.to_series
pandas.Index.to_frame
pandas.Index.view
pandas.Index.argsort
pandas.Index.searchsorted
pandas.Index.sort_values
pandas.Index.shift
pandas.Index.append
pandas.Index.join
pandas.Index.intersection
pandas.Index.union
pandas.Index.difference
pandas.Index.symmetric_difference
pandas.Index.asof
pandas.Index.asof_locs
pandas.Index.get_indexer
pandas.Index.get_indexer_for
pandas.Index.get_indexer_non_unique
pandas.Index.get_level_values
pandas.Index.get_loc
pandas.Index.get_slice_bound
pandas.Index.isin
pandas.Index.slice_indexer
pandas.Index.slice_locs
pandas.RangeIndex
pandas.RangeIndex.start
pandas.RangeIndex.stop
pandas.RangeIndex.step
pandas.RangeIndex.from_range
pandas.CategoricalIndex
pandas.CategoricalIndex.codes
pandas.CategoricalIndex.categories
pandas.CategoricalIndex.ordered
pandas.CategoricalIndex.rename_categories
pandas.CategoricalIndex.reorder_categories
pandas.CategoricalIndex.add_categories
pandas.CategoricalIndex.remove_categories
pandas.CategoricalIndex.remove_unused_categories
pandas.CategoricalIndex.set_categories
pandas.CategoricalIndex.as_ordered
pandas.CategoricalIndex.as_unordered
pandas.CategoricalIndex.map
pandas.CategoricalIndex.equals
pandas.IntervalIndex
pandas.IntervalIndex.from_arrays
pandas.IntervalIndex.from_tuples
pandas.IntervalIndex.from_breaks
pandas.IntervalIndex.left
pandas.IntervalIndex.right
pandas.IntervalIndex.mid
pandas.IntervalIndex.closed
pandas.IntervalIndex.length
pandas.IntervalIndex.values
pandas.IntervalIndex.is_empty
pandas.IntervalIndex.is_non_overlapping_monotonic
pandas.IntervalIndex.is_overlapping
pandas.IntervalIndex.get_loc
pandas.IntervalIndex.get_indexer
pandas.IntervalIndex.set_closed
pandas.IntervalIndex.contains
pandas.IntervalIndex.overlaps
pandas.IntervalIndex.to_tuples
pandas.MultiIndex
pandas.MultiIndex.from_arrays
pandas.MultiIndex.from_tuples
pandas.MultiIndex.from_product
pandas.MultiIndex.from_frame
pandas.MultiIndex.names
pandas.MultiIndex.levels
pandas.MultiIndex.codes
pandas.MultiIndex.nlevels
pandas.MultiIndex.levshape
pandas.MultiIndex.dtypes
pandas.MultiIndex.set_levels
pandas.MultiIndex.set_codes
pandas.MultiIndex.to_flat_index
pandas.MultiIndex.to_frame
pandas.MultiIndex.sortlevel
pandas.MultiIndex.droplevel
pandas.MultiIndex.swaplevel
pandas.MultiIndex.reorder_levels
pandas.MultiIndex.remove_unused_levels
pandas.MultiIndex.drop
pandas.MultiIndex.copy
pandas.MultiIndex.append
pandas.MultiIndex.truncate
pandas.MultiIndex.get_loc
pandas.MultiIndex.get_locs
pandas.MultiIndex.get_loc_level
pandas.MultiIndex.get_indexer
pandas.MultiIndex.get_level_values
pandas.IndexSlice
pandas.DatetimeIndex
pandas.DatetimeIndex.year
pandas.DatetimeIndex.month
pandas.DatetimeIndex.day
pandas.DatetimeIndex.hour
pandas.DatetimeIndex.minute
pandas.DatetimeIndex.second
pandas.DatetimeIndex.microsecond
pandas.DatetimeIndex.nanosecond
pandas.DatetimeIndex.date
pandas.DatetimeIndex.time
pandas.DatetimeIndex.timetz
pandas.DatetimeIndex.dayofyear
pandas.DatetimeIndex.day_of_year
pandas.DatetimeIndex.dayofweek
pandas.DatetimeIndex.day_of_week
pandas.DatetimeIndex.weekday
pandas.DatetimeIndex.quarter
pandas.DatetimeIndex.tz
pandas.DatetimeIndex.freq
pandas.DatetimeIndex.freqstr
pandas.DatetimeIndex.is_month_start
pandas.DatetimeIndex.is_month_end
pandas.DatetimeIndex.is_quarter_start
pandas.DatetimeIndex.is_quarter_end
pandas.DatetimeIndex.is_year_start
pandas.DatetimeIndex.is_year_end
pandas.DatetimeIndex.is_leap_year
pandas.DatetimeIndex.inferred_freq
pandas.DatetimeIndex.indexer_at_time
pandas.DatetimeIndex.indexer_between_time
pandas.DatetimeIndex.normalize
pandas.DatetimeIndex.strftime
pandas.DatetimeIndex.snap
pandas.DatetimeIndex.tz_convert
pandas.DatetimeIndex.tz_localize
pandas.DatetimeIndex.round
pandas.DatetimeIndex.floor
pandas.DatetimeIndex.ceil
pandas.DatetimeIndex.month_name
pandas.DatetimeIndex.day_name
pandas.DatetimeIndex.as_unit
pandas.DatetimeIndex.to_period
pandas.DatetimeIndex.to_pydatetime
pandas.DatetimeIndex.to_series
pandas.DatetimeIndex.to_frame
pandas.DatetimeIndex.mean
pandas.DatetimeIndex.std
pandas.TimedeltaIndex
pandas.TimedeltaIndex.days
pandas.TimedeltaIndex.seconds
pandas.TimedeltaIndex.microseconds
pandas.TimedeltaIndex.nanoseconds
pandas.TimedeltaIndex.components
pandas.TimedeltaIndex.inferred_freq
pandas.TimedeltaIndex.as_unit
pandas.TimedeltaIndex.to_pytimedelta
pandas.TimedeltaIndex.to_series
pandas.TimedeltaIndex.round
pandas.TimedeltaIndex.floor
pandas.TimedeltaIndex.ceil
pandas.TimedeltaIndex.to_frame
pandas.TimedeltaIndex.mean
pandas.PeriodIndex
pandas.PeriodIndex.day
pandas.PeriodIndex.dayofweek
pandas.PeriodIndex.day_of_week
pandas.PeriodIndex.dayofyear
pandas.PeriodIndex.day_of_year
pandas.PeriodIndex.days_in_month
pandas.PeriodIndex.daysinmonth
pandas.PeriodIndex.end_time
pandas.PeriodIndex.freq
pandas.PeriodIndex.freqstr
pandas.PeriodIndex.hour
pandas.PeriodIndex.is_leap_year
pandas.PeriodIndex.minute
pandas.PeriodIndex.month
pandas.PeriodIndex.quarter
pandas.PeriodIndex.qyear
pandas.PeriodIndex.second
pandas.PeriodIndex.start_time
pandas.PeriodIndex.week
pandas.PeriodIndex.weekday
pandas.PeriodIndex.weekofyear
pandas.PeriodIndex.year
pandas.PeriodIndex.asfreq
pandas.PeriodIndex.strftime
pandas.PeriodIndex.to_timestamp
pandas.PeriodIndex.from_fields
pandas.PeriodIndex.from_ordinals
Date offsets
Window
GroupBy
Resampling
Style
Plotting
Options and settings
Extensions
Testing
Missing values
API reference
Index objects
pandas.Inter...
pandas.IntervalIndex.length
#
property
IntervalIndex.
length
[source]
#
On this page
IntervalIndex.length
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