diff --git a/src/python/impactx/dashboard/Input/inputParameters/inputMain.py b/src/python/impactx/dashboard/Input/inputParameters/inputMain.py
index f7a46f19a..b6944b824 100644
--- a/src/python/impactx/dashboard/Input/inputParameters/inputMain.py
+++ b/src/python/impactx/dashboard/Input/inputParameters/inputMain.py
@@ -7,67 +7,22 @@
 """
 
 from ... import setup_server, vuetify
-from .. import CardComponents, DashboardDefaults, InputComponents, generalFunctions
+from .. import CardComponents, InputComponents
 from . import InputFunctions
 
 server, state, ctrl = setup_server()
 
-# -----------------------------------------------------------------------------
-# Callbacks
-# -----------------------------------------------------------------------------
-
-
-input_parameters_defaults = list(DashboardDefaults.INPUT_PARAMETERS.keys())
-space_charge_defaults = list(DashboardDefaults.CSR.keys())
-INPUT_DEFAULTS = input_parameters_defaults + space_charge_defaults
-
-
-@state.change(*INPUT_DEFAULTS)
-def on_input_state_change(**_):
-    state_changes = state.modified_keys & set(INPUT_DEFAULTS)
-    for state_name in state_changes:
-        if type(state[state_name]) is str:
-            print(
-                f"{state_name} = {state[state_name]} and type: {type(state[state_name])}"
-            )
-            value = getattr(state, state_name)
-            desired_type = DashboardDefaults.TYPES.get(state_name, None)
-            validation_name = f"{state_name}_error_message"
-            conditions = DashboardDefaults.VALIDATION_CONDITION.get(state_name, None)
-
-            validation_result = generalFunctions.validate_against(
-                value, desired_type, conditions
-            )
-            setattr(state, validation_name, validation_result)
-            generalFunctions.update_simulation_validation_status()
-
-            if validation_result == []:
-                converted_value = generalFunctions.convert_to_correct_type(
-                    value, desired_type
-                )
-
-                if getattr(state, state_name) != converted_value:
-                    setattr(state, state_name, converted_value)
-                    if state_name == "kin_energy_on_ui":
-                        on_kin_energy_unit_change()
-
-
-@state.change("kin_energy_unit")
-def on_kin_energy_unit_change(**kwargs) -> None:
-    if state.kin_energy_on_ui != 0:
-        InputFunctions.update_kin_energy_sim_value()
-
-
-# -----------------------------------------------------------------------------
-# Content
-# -----------------------------------------------------------------------------
-
 
 class InputParameters:
     """
     User-Input section for beam properties.
     """
 
+    @state.change("kin_energy_unit")
+    def on_kin_energy_unit_change(**kwargs) -> None:
+        if state.kin_energy_on_ui != 0:
+            InputFunctions.update_kin_energy_sim_value()
+
     def card(self):
         """
         Creates UI content for beam properties.
diff --git a/src/python/impactx/dashboard/Input/shared.py b/src/python/impactx/dashboard/Input/shared.py
new file mode 100644
index 000000000..5165fbafe
--- /dev/null
+++ b/src/python/impactx/dashboard/Input/shared.py
@@ -0,0 +1,44 @@
+from .. import setup_server
+from ..Input.inputParameters.inputMain import InputParameters
+from . import DashboardDefaults, generalFunctions
+
+server, state, ctrl = setup_server()
+
+
+input_parameters_defaults = list(DashboardDefaults.INPUT_PARAMETERS.keys())
+space_charge_defaults = list(DashboardDefaults.CSR.keys())
+INPUT_DEFAULTS = input_parameters_defaults + space_charge_defaults
+
+
+class SharedUtilities:
+    @staticmethod
+    @state.change(*INPUT_DEFAULTS)
+    def on_input_state_change(**_):
+        state_changes = state.modified_keys & set(INPUT_DEFAULTS)
+        for state_name in state_changes:
+            if type(state[state_name]) is str:
+                print(
+                    f"{state_name} = {state[state_name]} and type: {type(state[state_name])}"
+                )
+                value = getattr(state, state_name)
+                desired_type = DashboardDefaults.TYPES.get(state_name, None)
+                validation_name = f"{state_name}_error_message"
+                conditions = DashboardDefaults.VALIDATION_CONDITION.get(
+                    state_name, None
+                )
+
+                validation_result = generalFunctions.validate_against(
+                    value, desired_type, conditions
+                )
+                setattr(state, validation_name, validation_result)
+                generalFunctions.update_simulation_validation_status()
+
+                if validation_result == []:
+                    converted_value = generalFunctions.convert_to_correct_type(
+                        value, desired_type
+                    )
+
+                    if getattr(state, state_name) != converted_value:
+                        setattr(state, state_name, converted_value)
+                        if state_name == "kin_energy_on_ui":
+                            InputParameters.on_kin_energy_unit_change()
diff --git a/src/python/impactx/dashboard/__main__.py b/src/python/impactx/dashboard/__main__.py
index ba172c8f3..b31b89358 100644
--- a/src/python/impactx/dashboard/__main__.py
+++ b/src/python/impactx/dashboard/__main__.py
@@ -28,9 +28,9 @@
 
 server, state, ctrl = setup_server()
 
-# -----------------------------------------------------------------------------
-# Router Views
-# -----------------------------------------------------------------------------
+from .Input.shared import SharedUtilities
+
+shared_utilities = SharedUtilities()
 
 inputParameters = InputParameters()