diff --git a/tests/test_bitround.py b/tests/test_bitround.py
index aaa126b9..e0302c0f 100644
--- a/tests/test_bitround.py
+++ b/tests/test_bitround.py
@@ -86,7 +86,7 @@ def test_bitround_along_dim(air_temperature):
         ds, info_per_bit, dim="lon", inflevels=[1.0, 0.9999, 0.99, 0.975]
     )
 
-    assert ds_bitrounded_along_lon.air.dtype == "float32"
+    assert ds_bitrounded_along_lon.air.dtype == "float64"
     assert ds_bitrounded_along_lon.lon.size == ds.lon.size
     assert ds_bitrounded_along_lon.lat.size == ds.lat.size
     assert ds_bitrounded_along_lon.time.size == ds.time.size
@@ -99,7 +99,7 @@ def test_bitround_along_dim(air_temperature):
         ds, info_per_bit, dim="lon", inflevels=None, keepbits=2
     )
 
-    assert ds_bitrounded_along_lon.air.dtype == "float32"
+    assert ds_bitrounded_along_lon.air.dtype == "float64"
     assert ds_bitrounded_along_lon.lon.size == ds.lon.size
     assert ds_bitrounded_along_lon.lat.size == ds.lat.size
     assert ds_bitrounded_along_lon.time.size == ds.time.size
diff --git a/xbitinfo/xbitinfo.py b/xbitinfo/xbitinfo.py
index 4450a98f..529bf134 100644
--- a/xbitinfo/xbitinfo.py
+++ b/xbitinfo/xbitinfo.py
@@ -152,13 +152,13 @@ def get_bitinformation(  # noqa: C901
     -------
     >>> ds = xr.tutorial.load_dataset("air_temperature")
     >>> xb.get_bitinformation(ds, dim="lon")  # doctest: +ELLIPSIS
-    <xarray.Dataset> Size: 652B
-    Dimensions:     (bitfloat32: 32)
+    <xarray.Dataset> Size: 1kB
+    Dimensions:     (bitfloat64: 64)
     Coordinates:
-      * bitfloat32  (bitfloat32) <U3 384B '±' 'e1' 'e2' 'e3' ... 'm21' 'm22' 'm23'
+      * bitfloat64  (bitfloat64) <U3 768B '±' 'e1' 'e2' 'e3' ... 'm50' 'm51' 'm52'
         dim         <U3 12B 'lon'
     Data variables:
-        air         (bitfloat32) float64 256B 0.0 0.0 0.0 ... 3.953e-05 0.0006889
+        air         (bitfloat64) float64 512B 0.0 0.0 0.0 ... 0.002847 0.0 0.0005092
     Attributes:
         xbitinfo_description:       bitinformation calculated by xbitinfo.get_bit...
         python_repository:          https://github.com/observingClouds/xbitinfo
@@ -167,13 +167,13 @@ def get_bitinformation(  # noqa: C901
         xbitinfo_version:           ...
         BitInformation.jl_version:  ...
     >>> xb.get_bitinformation(ds)
-    <xarray.Dataset> Size: 1kB
-    Dimensions:     (bitfloat32: 32, dim: 3)
+    <xarray.Dataset> Size: 2kB
+    Dimensions:     (bitfloat64: 64, dim: 3)
     Coordinates:
-      * bitfloat32  (bitfloat32) <U3 384B '±' 'e1' 'e2' 'e3' ... 'm21' 'm22' 'm23'
+      * bitfloat64  (bitfloat64) <U3 768B '±' 'e1' 'e2' 'e3' ... 'm50' 'm51' 'm52'
       * dim         (dim) <U4 48B 'lat' 'lon' 'time'
     Data variables:
-        air         (dim, bitfloat32) float64 768B 0.0 0.0 ... 6.327e-06 0.0004285
+        air         (dim, bitfloat64) float64 2kB 0.0 0.0 0.0 ... 0.0 0.0004498
     Attributes:
         xbitinfo_description:       bitinformation calculated by xbitinfo.get_bit...
         python_repository:          https://github.com/observingClouds/xbitinfo
@@ -411,7 +411,7 @@ def get_keepbits(info_per_bit, inflevel=0.99):
         dim       <U3 12B 'lon'
       * inflevel  (inflevel) float64 8B 0.99
     Data variables:
-        air       (inflevel) int64 8B 7
+        air       (inflevel) int64 8B 6
     >>> xb.get_keepbits(info_per_bit, inflevel=0.99999999)
     <xarray.Dataset> Size: 28B
     Dimensions:   (inflevel: 1)
@@ -419,7 +419,7 @@ def get_keepbits(info_per_bit, inflevel=0.99):
         dim       <U3 12B 'lon'
       * inflevel  (inflevel) float64 8B 1.0
     Data variables:
-        air       (inflevel) int64 8B 14
+        air       (inflevel) int64 8B 7
     >>> xb.get_keepbits(info_per_bit, inflevel=1.0)
     <xarray.Dataset> Size: 28B
     Dimensions:   (inflevel: 1)