diff --git a/stdlib/tkinter/__init__.pyi b/stdlib/tkinter/__init__.pyi
index 9f1c346cdc19..43a67f7fa5a9 100644
--- a/stdlib/tkinter/__init__.pyi
+++ b/stdlib/tkinter/__init__.pyi
@@ -1534,8 +1534,8 @@ class Canvas(Widget, XView, YView):
     def tag_bind(self, tagOrId: str | int, *, func: str, add: Literal["", "+"] | bool | None = None) -> None: ...
 
     def tag_unbind(self, tagOrId: str | int, sequence: str, funcid: str | None = None) -> None: ...
-    def canvasx(self, screenx, gridspacing=None): ...
-    def canvasy(self, screeny, gridspacing=None): ...
+    def canvasx(self, screenx: float | str, gridspacing: float | str | None = None) -> float: ...
+    def canvasy(self, screeny: float | str, gridspacing: float | str | None = None) -> float: ...
 
     @overload
     def coords(self, tagOrId: str | int, /) -> list[float]: ...