diff --git a/.changes/item-into-id.md b/.changes/item-into-id.md
new file mode 100644
index 00000000..b98c36f3
--- /dev/null
+++ b/.changes/item-into-id.md
@@ -0,0 +1,5 @@
+---
+"muda": "patch"
+---
+
+Added `into_id` method to `MenuItem`, `CheckMenuItem`, `PredefinedMenuItem`, `Submenu`, and `MenuItemKind`. It moves the menu item into its menu ID.
diff --git a/src/items/check.rs b/src/items/check.rs
index 6cd92ea3..a994f167 100644
--- a/src/items/check.rs
+++ b/src/items/check.rs
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.inner
 // SPDX-License-Identifier: MIT
 
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, mem, rc::Rc};
 
 use crate::{accelerator::Accelerator, IsMenuItem, MenuId, MenuItemKind};
 
@@ -117,4 +117,14 @@ impl CheckMenuItem {
     pub fn set_checked(&self, checked: bool) {
         self.inner.borrow_mut().set_checked(checked)
     }
+
+    /// Convert this menu item into its menu ID.
+    pub fn into_id(mut self) -> MenuId {
+        // Note: `Rc::into_inner` is available from Rust 1.70
+        if let Some(id) = Rc::get_mut(&mut self.id) {
+            mem::take(id)
+        } else {
+            self.id().clone()
+        }
+    }
 }
diff --git a/src/items/icon.rs b/src/items/icon.rs
index 1e3a44b1..6738ec5e 100644
--- a/src/items/icon.rs
+++ b/src/items/icon.rs
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.inner
 // SPDX-License-Identifier: MIT
 
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, mem, rc::Rc};
 
 use crate::{
     accelerator::Accelerator,
@@ -180,4 +180,14 @@ impl IconMenuItem {
         #[cfg(target_os = "macos")]
         self.inner.borrow_mut().set_native_icon(_icon)
     }
+
+    /// Convert this menu item into its menu ID.
+    pub fn into_id(mut self) -> MenuId {
+        // Note: `Rc::into_inner` is available from Rust 1.70
+        if let Some(id) = Rc::get_mut(&mut self.id) {
+            mem::take(id)
+        } else {
+            self.id().clone()
+        }
+    }
 }
diff --git a/src/items/mod.rs b/src/items/mod.rs
index a79a77ec..401f6390 100644
--- a/src/items/mod.rs
+++ b/src/items/mod.rs
@@ -16,7 +16,7 @@ pub use submenu::*;
 
 #[cfg(test)]
 mod test {
-    use crate::{CheckMenuItem, IconMenuItem, MenuId, MenuItem, Submenu};
+    use crate::{CheckMenuItem, IconMenuItem, MenuId, MenuItem, PredefinedMenuItem, Submenu};
 
     #[test]
     fn it_returns_same_id() {
@@ -32,4 +32,29 @@ mod test {
             IconMenuItem::with_id(id.clone(), "", true, None, None).id()
         );
     }
+
+    #[test]
+    fn test_convert_from_id_and_into_id() {
+        let id = "TEST ID";
+        let expected = MenuId(id.to_string());
+
+        let item = CheckMenuItem::with_id(id, "test", true, true, None);
+        assert_eq!(item.id(), &expected);
+        assert_eq!(item.into_id(), expected);
+
+        let item = IconMenuItem::with_id(id, "test", true, None, None);
+        assert_eq!(item.id(), &expected);
+        assert_eq!(item.into_id(), expected);
+
+        let item = MenuItem::with_id(id, "test", true, None);
+        assert_eq!(item.id(), &expected);
+        assert_eq!(item.into_id(), expected);
+
+        let item = Submenu::with_id(id, "test", true);
+        assert_eq!(item.id(), &expected);
+        assert_eq!(item.into_id(), expected);
+
+        let item = PredefinedMenuItem::separator();
+        assert_eq!(item.id().clone(), item.into_id());
+    }
 }
diff --git a/src/items/normal.rs b/src/items/normal.rs
index 52a79e8e..fef0dee6 100644
--- a/src/items/normal.rs
+++ b/src/items/normal.rs
@@ -1,4 +1,4 @@
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, mem, rc::Rc};
 
 use crate::{accelerator::Accelerator, IsMenuItem, MenuId, MenuItemKind};
 
@@ -88,4 +88,14 @@ impl MenuItem {
     pub fn set_accelerator(&self, acccelerator: Option<Accelerator>) -> crate::Result<()> {
         self.inner.borrow_mut().set_accelerator(acccelerator)
     }
+
+    /// Convert this menu item into its menu ID.
+    pub fn into_id(mut self) -> MenuId {
+        // Note: `Rc::into_inner` is available from Rust 1.70
+        if let Some(id) = Rc::get_mut(&mut self.id) {
+            mem::take(id)
+        } else {
+            self.id().clone()
+        }
+    }
 }
diff --git a/src/items/predefined.rs b/src/items/predefined.rs
index af01c0c6..a9c80e06 100644
--- a/src/items/predefined.rs
+++ b/src/items/predefined.rs
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.inner
 // SPDX-License-Identifier: MIT
 
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, mem, rc::Rc};
 
 use crate::{
     accelerator::{Accelerator, CMD_OR_CTRL},
@@ -181,6 +181,16 @@ impl PredefinedMenuItem {
     pub fn set_text<S: AsRef<str>>(&self, text: S) {
         self.inner.borrow_mut().set_text(text.as_ref())
     }
+
+    /// Convert this menu item into its menu ID.
+    pub fn into_id(mut self) -> MenuId {
+        // Note: `Rc::into_inner` is available from Rust 1.70
+        if let Some(id) = Rc::get_mut(&mut self.id) {
+            mem::take(id)
+        } else {
+            self.id().clone()
+        }
+    }
 }
 
 #[test]
diff --git a/src/items/submenu.rs b/src/items/submenu.rs
index c8b4555b..a6f15245 100644
--- a/src/items/submenu.rs
+++ b/src/items/submenu.rs
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.inner
 // SPDX-License-Identifier: MIT
 
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, mem, rc::Rc};
 
 use crate::{util::AddOp, ContextMenu, IsMenuItem, MenuId, MenuItemKind, Position};
 
@@ -190,6 +190,16 @@ impl Submenu {
     pub fn set_as_help_menu_for_nsapp(&self) {
         self.inner.borrow_mut().set_as_help_menu_for_nsapp()
     }
+
+    /// Convert this submenu into its menu ID.
+    pub fn into_id(mut self) -> MenuId {
+        // Note: `Rc::into_inner` is available from Rust 1.70
+        if let Some(id) = Rc::get_mut(&mut self.id) {
+            mem::take(id)
+        } else {
+            self.id().clone()
+        }
+    }
 }
 
 impl ContextMenu for Submenu {
diff --git a/src/lib.rs b/src/lib.rs
index 524a2cf4..ebefc8ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -256,6 +256,17 @@ impl MenuItemKind {
             _ => panic!("Not an IconMenuItem"),
         }
     }
+
+    /// Convert this item into its menu ID.
+    pub fn into_id(self) -> MenuId {
+        match self {
+            MenuItemKind::MenuItem(i) => i.into_id(),
+            MenuItemKind::Submenu(i) => i.into_id(),
+            MenuItemKind::Predefined(i) => i.into_id(),
+            MenuItemKind::Check(i) => i.into_id(),
+            MenuItemKind::Icon(i) => i.into_id(),
+        }
+    }
 }
 
 /// A trait that defines a generic item in a menu, which may be one of [`MenuItemKind`]