diff --git a/python/tvm/tir/expr.py b/python/tvm/tir/expr.py
index 4ba8c5471b5d..2bfa0aacb184 100644
--- a/python/tvm/tir/expr.py
+++ b/python/tvm/tir/expr.py
@@ -523,6 +523,9 @@ def __init__(self, dtype, value, span=None):
             tvm.ir._ffi_api.FloatImm, dtype, value, span  # type: ignore
         )
 
+    def __float__(self):
+        return self.value
+
 
 @tvm._ffi.register_object
 class IntImm(ConstExpr):