diff --git a/src/main.rs b/src/main.rs
index 606aadd..f4568f5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -63,9 +63,17 @@ pub struct AppConfig {
     pub modbus_holding_register: Option<Vec<HashMap<String, ModbusRegisterConfig>>>,
 }
 
+/// Werthaltung für berechnete Modbus-Werte
+#[derive(Debug, Default, Clone)]
+pub struct ModbusValueMaps {
+    pub modbus_coils_values: std::collections::HashMap<String, f64>,
+    pub modbus_input_register_values: std::collections::HashMap<String, f64>,
+    pub modbus_holding_register_values: std::collections::HashMap<String, f64>,
+}
 
 struct AppState {
     config: Mutex<AppConfig>,
+    value_maps: Mutex<ModbusValueMaps>,
     templates: Tera,
 }
 
@@ -74,6 +82,8 @@ impl AppState {
         let conf_str = std::fs::read_to_string(conf_path).expect("Config-Datei konnte nicht gelesen werden");
         let config: AppConfig = serde_yaml::from_str(&conf_str).expect("Config-Deserialisierung fehlgeschlagen");
 
+        let value_maps = Mutex::new(ModbusValueMaps::from_config(&config));
+
         let tera = match Tera::new("templates/**/*") {
             Ok(t) => t,
             Err(e) => {
@@ -84,15 +94,50 @@ impl AppState {
 
         AppState {
             config: Mutex::new(config),
+            value_maps,
             templates: tera,
         }
     }
 }
 
+impl ModbusValueMaps {
+    pub fn from_config(config: &AppConfig) -> Self {
+        let mut coils = HashMap::new();
+        if let Some(ref vec) = config.modbus_coils {
+            for map in vec {
+                for key in map.keys() {
+                    coils.entry(key.clone()).or_insert(0.0);
+                }
+            }
+        }
+        let mut input = HashMap::new();
+        if let Some(ref vec) = config.modbus_input_register {
+            for map in vec {
+                for key in map.keys() {
+                    input.entry(key.clone()).or_insert(0.0);
+                }
+            }
+        }
+        let mut holding = HashMap::new();
+        if let Some(ref vec) = config.modbus_holding_register {
+            for map in vec {
+                for key in map.keys() {
+                    holding.entry(key.clone()).or_insert(0.0);
+                }
+            }
+        }
+        ModbusValueMaps {
+            modbus_coils_values: coils,
+            modbus_input_register_values: input,
+            modbus_holding_register_values: holding,
+        }
+    }
+}
+
 async fn index(data: web::Data<AppState>) -> Result<HttpResponse> {
     let config = data.config.lock().unwrap();
+    let value_maps = data.value_maps.lock().unwrap();
     let mut context = Context::new();
-    // modbus_input_register als rows, sortiert nach addr
     let mut rows = config.modbus_input_register.clone().unwrap_or_default();
     rows.sort_by(|a, b| {
         let addr_a = a.values().next().map(|v| v.addr).unwrap_or(0);
@@ -102,6 +147,7 @@ async fn index(data: web::Data<AppState>) -> Result<HttpResponse> {
     context.insert("rows", &rows);
     context.insert("table_id", "modbus_input_register");
     context.insert("active_page", "modbus_input_register");
+    context.insert("value_map", &value_maps.modbus_input_register_values);
     let html = data.templates.render("index.html", &context)
         .map_err(|e| {
             eprintln!("Template error: {}", e);
@@ -113,22 +159,33 @@ async fn index(data: web::Data<AppState>) -> Result<HttpResponse> {
 async fn table_page(data: web::Data<AppState>, path: web::Path<String>) -> Result<HttpResponse> {
     let table_id = path.into_inner();
     let config = data.config.lock().unwrap();
-    
+    let value_maps = data.value_maps.lock().unwrap();
     let mut context = Context::new();
-    let mut rows = match table_id.as_str() {
-        "modbus_input_register" => config.modbus_input_register.clone().unwrap_or_default(),
-        "modbus_holding_register" => config.modbus_holding_register.clone().unwrap_or_default(),
-        "modbus_coils" => config.modbus_coils.clone().unwrap_or_default(),
+    let (rows, value_map) = match table_id.as_str() {
+        "modbus_input_register" => (
+            config.modbus_input_register.clone().unwrap_or_default(),
+            &value_maps.modbus_input_register_values
+        ),
+        "modbus_holding_register" => (
+            config.modbus_holding_register.clone().unwrap_or_default(),
+            &value_maps.modbus_holding_register_values
+        ),
+        "modbus_coils" => (
+            config.modbus_coils.clone().unwrap_or_default(),
+            &value_maps.modbus_coils_values
+        ),
         _ => return Ok(HttpResponse::NotFound().body("Table not found")),
     };
-    rows.sort_by(|a, b| {
+    let mut sorted_rows = rows;
+    sorted_rows.sort_by(|a, b| {
         let addr_a = a.values().next().map(|v| v.addr).unwrap_or(0);
         let addr_b = b.values().next().map(|v| v.addr).unwrap_or(0);
         addr_a.cmp(&addr_b)
     });
-    context.insert("rows", &rows);
+    context.insert("rows", &sorted_rows);
     context.insert("table_id", &table_id);
     context.insert("active_page", &table_id);
+    context.insert("value_map", value_map);
     let html = data.templates.render("index.html", &context)
         .map_err(|e| {
             eprintln!("Template error: {}", e);
@@ -198,7 +255,11 @@ async fn save_settings(
     settings: web::Json<AppConfig>,
 ) -> Result<HttpResponse> {
     let mut config = data.config.lock().unwrap();
-    *config = settings.into_inner();
+    let new_config = settings.into_inner();
+    // Value-Maps neu initialisieren
+    let mut value_maps = data.value_maps.lock().unwrap();
+    *value_maps = ModbusValueMaps::from_config(&new_config);
+    *config = new_config;
     let conf_path = "paramod.yaml";
     let yaml_str = match serde_yaml::to_string(&*config) {
         Ok(s) => s,
diff --git a/templates/index.html b/templates/index.html
index de9dfc5..6ca3c45 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -33,6 +33,7 @@
                 <thead>
                     <tr>
                         <th>Bezeichnung</th>
+                        <th>Wert</th>
                         <th>Adresse</th>
                         {% if table_id == "modbus_coils" %}
                             <th>Write</th>
@@ -53,6 +54,7 @@
                         {% for key, row in entry %}
                         <tr data-row="{{ loop.index0 }}">
                             <td><input type='text' class='text-input' data-field='key' value='{{ key }}' /></td>
+                            <td>{{ value_map[key] | default(value="-") }}</td>
                             <td><input type='number' class='text-input' data-field='addr' value='{{ row.addr }}' /></td>
                             {% if table_id == "modbus_coils" %}
                                 <td>