diff --git a/netbox/dcim/forms/bulk_edit.py b/netbox/dcim/forms/bulk_edit.py
index 72407b6dd..c07db9557 100644
--- a/netbox/dcim/forms/bulk_edit.py
+++ b/netbox/dcim/forms/bulk_edit.py
@@ -304,20 +304,9 @@ class RackBulkEditForm(NetBoxModelBulkEditForm):
         ('Weight', ('weight', 'weight_unit')),
     )
     nullable_fields = (
-        'location', 'tenant', 'role', 'serial', 'asset_tag', 'outer_width', 'outer_depth', 'outer_unit', 'comments', 'weight'
+        'location', 'tenant', 'role', 'serial', 'asset_tag', 'outer_width', 'outer_depth', 'outer_unit', 'comments', 'weight', 'weight_unit'
     )
 
-    def clean(self):
-        super().clean()
-
-        # Validate weight/unit
-        weight = self.cleaned_data.get('weight')
-        weight_unit = self.cleaned_data.get('weight_unit')
-        if weight and not weight_unit:
-            raise forms.ValidationError({
-                'weight_unit': "Must specify a unit when setting weight"
-            })
-
 
 class RackReservationBulkEditForm(NetBoxModelBulkEditForm):
     user = forms.ModelChoiceField(
@@ -393,18 +382,7 @@ class DeviceTypeBulkEditForm(NetBoxModelBulkEditForm):
         (None, ('manufacturer', 'part_number', 'u_height', 'is_full_depth', 'airflow')),
         ('Weight', ('weight', 'weight_unit')),
     )
-    nullable_fields = ('part_number', 'airflow', 'weight')
-
-    def clean(self):
-        super().clean()
-
-        # Validate weight/unit
-        weight = self.cleaned_data.get('weight')
-        weight_unit = self.cleaned_data.get('weight_unit')
-        if weight and not weight_unit:
-            raise forms.ValidationError({
-                'weight_unit': "Must specify a unit when setting weight"
-            })
+    nullable_fields = ('part_number', 'airflow', 'weight', 'weight_unit')
 
 
 class ModuleTypeBulkEditForm(NetBoxModelBulkEditForm):
@@ -431,18 +409,7 @@ class ModuleTypeBulkEditForm(NetBoxModelBulkEditForm):
         (None, ('manufacturer', 'part_number')),
         ('Attributes', ('weight', 'weight_unit')),
     )
-    nullable_fields = ('part_number', 'weight',)
-
-    def clean(self):
-        super().clean()
-
-        # Validate weight/unit
-        weight = self.cleaned_data.get('weight')
-        weight_unit = self.cleaned_data.get('weight_unit')
-        if weight and not weight_unit:
-            raise forms.ValidationError({
-                'weight_unit': "Must specify a unit when setting weight"
-            })
+    nullable_fields = ('part_number', 'weight', 'weight_unit')
 
 
 class DeviceRoleBulkEditForm(NetBoxModelBulkEditForm):
@@ -619,17 +586,6 @@ class CableBulkEditForm(NetBoxModelBulkEditForm):
         'type', 'status', 'tenant', 'label', 'color', 'length',
     )
 
-    def clean(self):
-        super().clean()
-
-        # Validate length/unit
-        length = self.cleaned_data.get('length')
-        length_unit = self.cleaned_data.get('length_unit')
-        if length and not length_unit:
-            raise forms.ValidationError({
-                'length_unit': "Must specify a unit when setting length"
-            })
-
 
 class VirtualChassisBulkEditForm(NetBoxModelBulkEditForm):
     domain = forms.CharField(
diff --git a/netbox/dcim/forms/filtersets.py b/netbox/dcim/forms/filtersets.py
index 9647b9c26..818da83e1 100644
--- a/netbox/dcim/forms/filtersets.py
+++ b/netbox/dcim/forms/filtersets.py
@@ -228,7 +228,7 @@ class RackFilterForm(TenancyFilterForm, ContactModelFilterForm, NetBoxModelFilte
         ('Hardware', ('type', 'width', 'serial', 'asset_tag')),
         ('Tenant', ('tenant_group_id', 'tenant_id')),
         ('Contacts', ('contact', 'contact_role', 'contact_group')),
-        ('Attributes', ('weight', 'weight_unit')),
+        ('Weight', ('weight', 'weight_unit')),
     )
     region_id = DynamicModelMultipleChoiceField(
         queryset=Region.objects.all(),
diff --git a/netbox/dcim/models/devices.py b/netbox/dcim/models/devices.py
index b15202ac1..20c15f1ca 100644
--- a/netbox/dcim/models/devices.py
+++ b/netbox/dcim/models/devices.py
@@ -1,7 +1,8 @@
 import decimal
-
 import yaml
 
+from functools import cached_property
+
 from django.apps import apps
 from django.contrib.contenttypes.fields import GenericRelation
 from django.core.exceptions import ValidationError
@@ -946,6 +947,13 @@ class Device(NetBoxModel, ConfigContextModel):
     def get_status_color(self):
         return DeviceStatusChoices.colors.get(self.status)
 
+    @cached_property
+    def get_total_weight(self):
+        total_weight = sum(module.module_type._abs_weight for module in Module.objects.filter(device=self).exclude(module_type___abs_weight__isnull=True).prefetch_related('module_type'))
+        if self.device_type._abs_weight:
+            total_weight += self.device_type._abs_weight
+        return round(total_weight / 1000, 2)
+
 
 class Module(NetBoxModel, ConfigContextModel):
     """
diff --git a/netbox/dcim/models/racks.py b/netbox/dcim/models/racks.py
index 45c138bf4..4744784bf 100644
--- a/netbox/dcim/models/racks.py
+++ b/netbox/dcim/models/racks.py
@@ -1,4 +1,5 @@
 import decimal
+from functools import cached_property
 
 from django.apps import apps
 from django.contrib.auth.models import User
@@ -455,6 +456,7 @@ class Rack(NetBoxModel, WeightMixin):
 
         return int(allocated_draw / available_power_total * 100)
 
+    @cached_property
     def get_total_weight(self):
         total_weight = sum(device.device_type._abs_weight for device in self.devices.exclude(device_type___abs_weight__isnull=True).prefetch_related('device_type'))
         total_weight += sum(module.module_type._abs_weight for module in Module.objects.filter(device__rack=self).exclude(module_type___abs_weight__isnull=True).prefetch_related('module_type'))