diff --git a/client/src/pages/spools/create.tsx b/client/src/pages/spools/create.tsx
index ba6299c..4a1dd44 100644
--- a/client/src/pages/spools/create.tsx
+++ b/client/src/pages/spools/create.tsx
@@ -1,12 +1,13 @@
 import React from "react";
 import { IResourceComponentsProps, useTranslate } from "@refinedev/core";
 import { Create, useForm, useSelect } from "@refinedev/antd";
-import { Form, Input, DatePicker, Select, InputNumber, Radio } from "antd";
+import { Form, Input, DatePicker, Select, InputNumber } from "antd";
 import dayjs from "dayjs";
 import TextArea from "antd/es/input/TextArea";
 import { IFilament } from "../filaments/model";
 import { ISpool } from "./model";
 import { numberFormatter, numberParser } from "../../utils/parsing";
+import { useSavedState } from "../../utils/saveload";
 
 interface CreateOrCloneProps {
   mode: "create" | "clone";
@@ -49,120 +50,16 @@ export const SpoolCreate: React.FC<IResourceComponentsProps & CreateOrCloneProps
     return {
       label: label,
       value: item.id,
-	  weight: item.weight,
-	  spool_weight: item.spool_weight
+	    weight: item.weight,
+	    spool_weight: item.spool_weight
     };
   });
   filamentOptions?.sort((a, b) => a.label.localeCompare(b.label, undefined, { sensitivity: "base" }));
 
-  const selected_filament = Form.useWatch('filament_id', form);
-  const weight_to_use = Form.useWatch('weight_to_use', form);
-  const used_weight = Form.useWatch('used_weight', form);
-  const remaining_weight = Form.useWatch('remaining_weight', form);
-  const measured_weight = Form.useWatch('measured_weight', form);
+  const [used_weight, set_used_weight] = useSavedState("create-used_weight", 0);
 
-  const handle_weight = () => {
-	  if (selected_filament)
-	  {
-		  let filament_weight = filamentOptions.find(obj => {return obj.value === selected_filament}).weight;
-		  let spool_weight = filamentOptions.find(obj => {return obj.value === selected_filament}).spool_weight || 0;
-		  if (weight_to_use == 1)
-		  {
-              form.setFieldsValue(
-			  {
-				  remaining_weight: filament_weight - (used_weight || 0),
-				  measured_weight: filament_weight - (used_weight || 0) + spool_weight
-			  });
-			  return [true, false, false];
-		  }
-		  else if (weight_to_use == 2)
-		  {
-			  form.setFieldsValue(
-			  {
-				  used_weight: filament_weight - (remaining_weight || 0),
-				  measured_weight: (remaining_weight || 0) + spool_weight
-			  });
-			  return [false, true, false];
-		  }
-		  else if (weight_to_use == 3)
-		  {
-			  form.setFieldsValue(
-			  {
-				  used_weight: filament_weight - ((measured_weight || 0) - spool_weight),
-				  remaining_weight: (measured_weight || 0) - spool_weight
-			  });
-			  return [false, false, true];
-		  }
-//		  if (weight_to_use == 0)
-//		  {
-//			  if (used_weight > 0)
-//			  {
-//				  weight_to_use = 1;
-//				  form.setFieldsValue(
-//				  {
-//					  remaining_weight: filament_weight-used_weight
-//				  });
-//				  return [true, false];
-//			  }
-//			  else if (remaining_weight > 0)
-//			  {
-//				  form.setFieldsValue(
-//				  {
-//					  used_weight: filament_weight-remaining_weight
-//				  });
-//				  weight_to_use = 2;
-//				  return [false, true];
-//			  }
-//			  else
-//			  {
-//				  weight_to_use = 0;
-//				  return [true, true];
-//			  }
-//		  }
-//		  else if (weight_to_use == 1)
-//		  {
-//			  if (used_weight > 0)
-//			  {
-//				  form.setFieldsValue(
-//				  {
-//					  remaining_weight: filament_weight-used_weight
-//				  });
-//				  return [true, false];
-//			  }
-//			  else
-//			  {
-//				  weight_to_use = 0;
-//				  return [true, true];
-//			  }
-//		  }
-//		  else if (weight_to_use == 2)
-//		  {
-//			  if (used_weight > 0)
-//			  {
-//				  form.setFieldsValue(
-//				  {
-//					  used_weight: filament_weight-remaining_weight
-//				  });
-//				  return [false, true];
-//			  }
-//			  else
-//			  {
-//				  weight_to_use = 0;
-//				  return [true, true];
-//			  }
-//		  }
-
-	  }
-	  return [false, false, false];
-  }
-
-  const has_spool_weight = () => {
-    if (selected_filament)
-    {
-      return filamentOptions.find(obj => {return obj.value === selected_filament}).spool_weight
-    }
-    return false;
-  }
+  const selected_filament_id = Form.useWatch('filament_id', form);
+  const selected_filament = filamentOptions?.find(obj => {return obj.value === selected_filament_id});
 
   return (
     <Create
@@ -216,53 +113,83 @@ export const SpoolCreate: React.FC<IResourceComponentsProps & CreateOrCloneProps
             }
           />
         </Form.Item>
-		    <Form.Item
-          label={t("spool.fields.weight_to_use")}
-          help={t("spool.fields_help.weight_to_use")}
-          name={["weight_to_use"]}
-          initialValue={1}
+        <Form.Item
+          hidden={true}
+          name={["used_weight"]}
+          initialValue={0}
         >
-          <Radio.Group>
-          <Radio.Button value={1}>{t("spool.fields.used_weight")}</Radio.Button>
-          <Radio.Button value={2}>{t("spool.fields.remaining_weight")}</Radio.Button>
-          <Radio.Button value={3} disabled={!has_spool_weight()}>{t("spool.fields.measured_weight")}</Radio.Button>
-            </Radio.Group>
+          <InputNumber
+            value={used_weight}
+          />
         </Form.Item>
+
         <Form.Item
           label={t("spool.fields.used_weight")}
           help={t("spool.fields_help.used_weight")}
-          name={["used_weight"]}
-          rules={[
-            {
-              required: handle_weight()[0],
-            },
-          ]}
+          // name={["used_weight"]}
+          initialValue={0}
         >
-          <InputNumber min={0} addonAfter="g" precision={1} formatter={numberFormatter} parser={numberParser} disabled={!handle_weight()[0]} />
+          <InputNumber
+            min={0}
+            addonAfter="g"
+            precision={1}
+            formatter={numberFormatter}
+            parser={numberParser}
+            value={used_weight}
+            onChange={(value) => {
+              set_used_weight(value ?? 0);
+              form.setFieldsValue(
+              {
+                used_weight: value ?? 0
+              });
+            }}
+          />
         </Form.Item>
 		<Form.Item
           label={t("spool.fields.remaining_weight")}
           help={t("spool.fields_help.remaining_weight")}
-          name={["remaining_weight"]}
-          rules={[
-            {
-              required: handle_weight()[1],
-            },
-          ]}
+          // name={["remaining_weight"]}
+          initialValue={0}
         >
-          <InputNumber min={0} addonAfter="g" precision={1} formatter={numberFormatter} parser={numberParser} disabled={!handle_weight()[1]} />
+          <InputNumber
+            min={0}
+            addonAfter="g"
+            precision={1}
+            formatter={numberFormatter}
+            parser={numberParser}
+            disabled={!(selected_filament?.weight || 0)}
+            value={(selected_filament?.weight || 0) ? (selected_filament?.weight || 0) - used_weight : 0}
+            onChange={(value) => {
+              set_used_weight((selected_filament?.weight || 0) - (value ?? 0));
+              form.setFieldsValue(
+                {
+                  used_weight: (selected_filament?.weight || 0) - (value ?? 0)
+                });
+            }}
+          />
         </Form.Item>
 		<Form.Item
           label={t("spool.fields.measured_weight")}
           help={t("spool.fields_help.measured_weight")}
-          name={["measured_weight"]}
-          rules={[
-            {
-              required: handle_weight()[2],
-            },
-          ]}
+          // name={["measured_weight"]}
+          initialValue={0}
         >
-          <InputNumber min={0} addonAfter="g" precision={1} formatter={numberFormatter} parser={numberParser} disabled={!handle_weight()[2]} />
+          <InputNumber
+            min={0}
+            addonAfter="g"
+            precision={1}
+            formatter={numberFormatter}
+            parser={numberParser}
+            disabled={!((selected_filament?.weight || 0) && (selected_filament?.spool_weight || 0))}
+            value={((selected_filament?.weight || 0) && (selected_filament?.spool_weight || 0)) ? (selected_filament?.weight || 0) - used_weight + (selected_filament?.spool_weight || 0) : 0}
+            onChange={(value) => {
+              set_used_weight((selected_filament?.weight || 0) - ((value ?? 0) - (selected_filament?.spool_weight || 0)));
+              form.setFieldsValue(
+                {
+                  used_weight: (selected_filament?.weight || 0) - ((value ?? 0) - (selected_filament?.spool_weight || 0))
+                });
+            }}
+          />
         </Form.Item>
         <Form.Item
           label={t("spool.fields.location")}
diff --git a/spoolman/api/v1/spool.py b/spoolman/api/v1/spool.py
index bc62b2e..c5f31cb 100644
--- a/spoolman/api/v1/spool.py
+++ b/spoolman/api/v1/spool.py
@@ -158,11 +158,11 @@ async def create(  # noqa: ANN201
     db: Annotated[AsyncSession, Depends(get_db_session)],
     body: SpoolParameters,
 ):
-    #if body.remaining_weight is not None and body.used_weight is not None:
-    #    return JSONResponse(
-    #        status_code=400,
-    #        content={"message": "Only specify either remaining_weight or used_weight."},
-    #    )
+    if body.remaining_weight is not None and body.used_weight is not None:
+       return JSONResponse(
+           status_code=400,
+           content={"message": "Only specify either remaining_weight or used_weight."},
+       )
 
     try:
         db_item = await spool.create(