diff --git a/docs/user_guide/info.ipynb b/docs/user_guide/info.ipynb
index 7e2167a..8a4b52a 100644
--- a/docs/user_guide/info.ipynb
+++ b/docs/user_guide/info.ipynb
@@ -49,8 +49,8 @@
    "outputs": [],
    "source": [
     "# Get the info: Two equvalent ways\n",
-    "huracanpy.info.get_hemisphere(data.lat) # Function call\n",
-    "data.hrcn.get_hemisphere(lat_name = \"lat\") # Accessor method"
+    "huracanpy.info.get_hemisphere(data.lat)  # Function call\n",
+    "data.hrcn.get_hemisphere(lat_name=\"lat\")  # Accessor method"
    ]
   },
   {
@@ -62,9 +62,9 @@
    "source": [
     "# Add the info: Two equvalent ways\n",
     "data[\"hemisphere\"] = huracanpy.info.get_hemisphere(data.lat)\n",
-    "data = data.hrcn.add_hemisphere(lat_name = \"lat\")\n",
+    "data = data.hrcn.add_hemisphere(lat_name=\"lat\")\n",
     "\n",
-    "data # data now includes hemisphere"
+    "data  # data now includes hemisphere"
    ]
   },
   {
@@ -84,8 +84,8 @@
    "outputs": [],
    "source": [
     "# Hemisphere\n",
-    "huracanpy.info.get_hemisphere(data.lat) # Function\n",
-    "data.hrcn.get_hemisphere(\"lat\") # Accessor method"
+    "huracanpy.info.get_hemisphere(data.lat)  # Function\n",
+    "data.hrcn.get_hemisphere(\"lat\")  # Accessor method"
    ]
   },
   {
@@ -96,8 +96,8 @@
    "outputs": [],
    "source": [
     "# Basin\n",
-    "huracanpy.info.get_basin(data.lon, data.lat) # Function\n",
-    "data.hrcn.get_basin(\"lon\", \"lat\") # Accessor method"
+    "huracanpy.info.get_basin(data.lon, data.lat)  # Function\n",
+    "data.hrcn.get_basin(\"lon\", \"lat\")  # Accessor method"
    ]
   },
   {
@@ -108,8 +108,8 @@
    "outputs": [],
    "source": [
     "# land or ocean\n",
-    "huracanpy.info.get_land_or_ocean(data.lon, data.lat) # Function\n",
-    "data.hrcn.get_land_or_ocean(\"lon\", \"lat\") # Accessor method"
+    "huracanpy.info.get_land_or_ocean(data.lon, data.lat)  # Function\n",
+    "data.hrcn.get_land_or_ocean(\"lon\", \"lat\")  # Accessor method"
    ]
   },
   {
@@ -120,8 +120,8 @@
    "outputs": [],
    "source": [
     "# Continent: If track is over land, return the corresponding continent, else ''\n",
-    "huracanpy.info.get_continent(data.lon, data.lat) # Function\n",
-    "data.hrcn.get_continent(\"lon\", \"lat\") # Accessor method"
+    "huracanpy.info.get_continent(data.lon, data.lat)  # Function\n",
+    "data.hrcn.get_continent(\"lon\", \"lat\")  # Accessor method"
    ]
   },
   {
@@ -132,8 +132,8 @@
    "outputs": [],
    "source": [
     "# Country: If track is over land, return the corresponding country, else ''\n",
-    "huracanpy.info.get_country(data.lon, data.lat) # Function\n",
-    "data.hrcn.get_country(\"lon\", \"lat\") # Accessor method"
+    "huracanpy.info.get_country(data.lon, data.lat)  # Function\n",
+    "data.hrcn.get_country(\"lon\", \"lat\")  # Accessor method"
    ]
   },
   {
@@ -153,8 +153,8 @@
    "outputs": [],
    "source": [
     "# Get the values\n",
-    "huracanpy.info.get_time_components(data.time) # Function\n",
-    "data.hrcn.get_time_components(\"time\") # Accessor method"
+    "huracanpy.info.get_time_components(data.time)  # Function\n",
+    "data.hrcn.get_time_components(\"time\")  # Accessor method"
    ]
   },
   {
@@ -165,10 +165,12 @@
    "outputs": [],
    "source": [
     "# Add them\n",
-    "data[\"year\"], data[\"month\"], data[\"day\"], data[\"hour\"] = huracanpy.info.get_time_components(data.time)\n",
+    "data[\"year\"], data[\"month\"], data[\"day\"], data[\"hour\"] = (\n",
+    "    huracanpy.info.get_time_components(data.time)\n",
+    ")\n",
     "data = data.hrcn.add_time_components(\"time\")\n",
     "\n",
-    "data # Now contains year, month, day, hour"
+    "data  # Now contains year, month, day, hour"
    ]
   },
   {
@@ -188,7 +190,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "huracanpy.info.get_category(data.wind10, bins = [0, 10, 20, 30, 40], labels = [0,1,2,3])"
+    "huracanpy.info.get_category(data.wind10, bins=[0, 10, 20, 30, 40], labels=[0, 1, 2, 3])"
    ]
   }
  ],
diff --git a/docs/user_guide/save.ipynb b/docs/user_guide/save.ipynb
index b58f9cc..94f6307 100644
--- a/docs/user_guide/save.ipynb
+++ b/docs/user_guide/save.ipynb
@@ -27,8 +27,8 @@
    "source": [
     "import huracanpy\n",
     "\n",
-    "tracks = huracanpy.load(huracanpy.example_csv_file) # Load sample file\n",
-    "huracanpy.save(tracks, \"saved_data.csv\") # Save as csv\n",
+    "tracks = huracanpy.load(huracanpy.example_csv_file)  # Load sample file\n",
+    "huracanpy.save(tracks, \"saved_data.csv\")  # Save as csv\n",
     "huracanpy.save(tracks, \"saved_data.nc\")  # Save as NetCDF"
    ]
   },
diff --git a/huracanpy/info/_category.py b/huracanpy/info/_category.py
index ea74051..8d8d1eb 100644
--- a/huracanpy/info/_category.py
+++ b/huracanpy/info/_category.py
@@ -4,6 +4,7 @@
 
 import warnings
 
+import numpy as np
 import pint
 import pandas as pd
 
@@ -47,4 +48,9 @@ def category(variable, bins, labels=None, variable_units=None):
             variable_units = str(bins.units)
         variable = variable * units(variable_units)
 
-    return pd.cut(variable, bins, labels=labels)
+    if not isinstance(bins, pint.Quantity) or bins.unitless:
+        bins = bins * units(variable_units)
+
+    bins = bins.to(variable.units)
+
+    return np.array(pd.cut(variable, bins, labels=labels))
diff --git a/huracanpy/tc/_category.py b/huracanpy/tc/_category.py
index 76e2b20..ff7913d 100644
--- a/huracanpy/tc/_category.py
+++ b/huracanpy/tc/_category.py
@@ -8,6 +8,7 @@
 from metpy.xarray import preprocess_and_wrap
 
 from ..info import category
+from .._metpy import dequantify_results
 from ._conventions import _thresholds
 
 
@@ -40,6 +41,7 @@ def saffir_simpson_category(wind, convention="Saffir-Simpson", wind_units="m s-1
     )
 
 
+@dequantify_results
 @preprocess_and_wrap(wrap_like="slp")
 def pressure_category(slp, convention="Klotzbach", slp_units="hPa"):
     """