diff --git a/core/math/rect2.cpp b/core/math/rect2.cpp
index 9e78ead816c2..827e872da162 100644
--- a/core/math/rect2.cpp
+++ b/core/math/rect2.cpp
@@ -279,7 +279,7 @@ bool Rect2::intersects_transformed(const Transform2D &p_xform, const Rect2 &p_re
 }
 
 Rect2::operator String() const {
-	return "[P: " + position.operator String() + ", S: " + size + "]";
+	return "[P: " + position.operator String() + ", S: " + size.operator String() + "]";
 }
 
 Rect2::operator Rect2i() const {
diff --git a/core/math/vector2.cpp b/core/math/vector2.cpp
index d9b5d55454e7..61fe6f712fbb 100644
--- a/core/math/vector2.cpp
+++ b/core/math/vector2.cpp
@@ -183,7 +183,7 @@ bool Vector2::is_equal_approx(const Vector2 &p_v) const {
 }
 
 Vector2::operator String() const {
-	return "(" + String::num_real(x, false) + ", " + String::num_real(y, false) + ")";
+	return "(" + String::num_real(x, true) + ", " + String::num_real(y, true) + ")";
 }
 
 Vector2::operator Vector2i() const {
diff --git a/core/math/vector3.cpp b/core/math/vector3.cpp
index d71d3650534a..41a02a191ba2 100644
--- a/core/math/vector3.cpp
+++ b/core/math/vector3.cpp
@@ -130,7 +130,7 @@ bool Vector3::is_equal_approx(const Vector3 &p_v) const {
 }
 
 Vector3::operator String() const {
-	return "(" + String::num_real(x, false) + ", " + String::num_real(y, false) + ", " + String::num_real(z, false) + ")";
+	return "(" + String::num_real(x, true) + ", " + String::num_real(y, true) + ", " + String::num_real(z, true) + ")";
 }
 
 Vector3::operator Vector3i() const {
diff --git a/core/variant/variant.cpp b/core/variant/variant.cpp
index ae92d7b5c445..ab28c12ca99f 100644
--- a/core/variant/variant.cpp
+++ b/core/variant/variant.cpp
@@ -1664,7 +1664,7 @@ String Variant::stringify(int recursion_count) const {
 		case INT:
 			return itos(_data._int);
 		case FLOAT:
-			return rtos(_data._float);
+			return String::num_real(_data._float, true);
 		case STRING:
 			return *reinterpret_cast<const String *>(_data._mem);
 		case VECTOR2:
diff --git a/modules/gdscript/tests/scripts/analyzer/features/class_inference_is_weak.out b/modules/gdscript/tests/scripts/analyzer/features/class_inference_is_weak.out
index 94e2ec2af87f..fb616f1e94a3 100644
--- a/modules/gdscript/tests/scripts/analyzer/features/class_inference_is_weak.out
+++ b/modules/gdscript/tests/scripts/analyzer/features/class_inference_is_weak.out
@@ -1,2 +1,2 @@
 GDTEST_OK
-0
+0.0
diff --git a/modules/gdscript/tests/scripts/parser/features/nested_arithmetic.out b/modules/gdscript/tests/scripts/parser/features/nested_arithmetic.out
index 048cfbdfaecd..4c2326554132 100644
--- a/modules/gdscript/tests/scripts/parser/features/nested_arithmetic.out
+++ b/modules/gdscript/tests/scripts/parser/features/nested_arithmetic.out
@@ -76,7 +76,7 @@ GDTEST_OK
 
 -2.718
 
-36900.9009009009
+36900.9
 2
 8192
 -8
diff --git a/modules/gdscript/tests/scripts/parser/features/operator_assign.out b/modules/gdscript/tests/scripts/parser/features/operator_assign.out
index b0cb63ef59d2..29910adf38d7 100644
--- a/modules/gdscript/tests/scripts/parser/features/operator_assign.out
+++ b/modules/gdscript/tests/scripts/parser/features/operator_assign.out
@@ -1,2 +1,2 @@
 GDTEST_OK
-8
+8.0
diff --git a/modules/gdscript/tests/scripts/runtime/features/chain_assignment_works.out b/modules/gdscript/tests/scripts/runtime/features/chain_assignment_works.out
index 5e7ccf534ab4..76dd6b3fcab7 100644
--- a/modules/gdscript/tests/scripts/runtime/features/chain_assignment_works.out
+++ b/modules/gdscript/tests/scripts/runtime/features/chain_assignment_works.out
@@ -1,7 +1,7 @@
 GDTEST_OK
-{1:(2, 0)}
-{3:(4, 0)}
-[[(5, 0)]]
-[[(6, 0)]]
-[[(7, 0)]]
-[X: (8, 9, 7), Y: (0, 1, 0), Z: (0, 0, 1), O: (0, 0, 0)]
+{1:(2.0, 0.0)}
+{3:(4.0, 0.0)}
+[[(5.0, 0.0)]]
+[[(6.0, 0.0)]]
+[[(7.0, 0.0)]]
+[X: (8.0, 9.0, 7.0), Y: (0.0, 1.0, 0.0), Z: (0.0, 0.0, 1.0), O: (0.0, 0.0, 0.0)]
diff --git a/modules/gdscript/tests/scripts/runtime/features/stringify.out b/modules/gdscript/tests/scripts/runtime/features/stringify.out
index d4468737a5c4..37333897dcca 100644
--- a/modules/gdscript/tests/scripts/runtime/features/stringify.out
+++ b/modules/gdscript/tests/scripts/runtime/features/stringify.out
@@ -9,12 +9,12 @@ hello world
 [P: (0, 0), S: (0, 0)]
 (0.25, 0.25, 0.25)
 (0, 0, 0)
-[X: (1, 0), Y: (0, 1), O: (0, 0)]
-[N: (1, 2, 3), D: 4]
+[X: (1.0, 0.0), Y: (0.0, 1.0), O: (0.0, 0.0)]
+[N: (1.0, 2.0, 3.0), D: 4]
 (1, 2, 3, 4)
-[P: (0, 0, 0), S: (1, 1, 1)]
-[X: (1, 0, 0), Y: (0, 1, 0), Z: (0, 0, 1)]
-[X: (1, 0, 0), Y: (0, 1, 0), Z: (0, 0, 1), O: (0, 0, 0)]
+[P: (0.0, 0.0, 0.0), S: (1.0, 1.0, 1.0)]
+[X: (1.0, 0.0, 0.0), Y: (0.0, 1.0, 0.0), Z: (0.0, 0.0, 1.0)]
+[X: (1.0, 0.0, 0.0), Y: (0.0, 1.0, 0.0), Z: (0.0, 0.0, 1.0), O: (0.0, 0.0, 0.0)]
 (1, 2, 3, 4)
 hello
 hello/world
@@ -26,9 +26,9 @@ Node::[signal]property_list_changed
 [255, 0, 1]
 [-1, 0, 1]
 [-1, 0, 1]
-[-1, 0, 1]
-[-1, 0, 1]
+[-1.0, 0.0, 1.0]
+[-1.0, 0.0, 1.0]
 ["hello", "world"]
-[(1, 1), (0, 0)]
-[(1, 1, 1), (0, 0, 0)]
+[(1.0, 1.0), (0.0, 0.0)]
+[(1.0, 1.0, 1.0), (0.0, 0.0, 0.0)]
 [(1, 0, 0, 1), (0, 0, 1, 1), (0, 1, 0, 1)]
diff --git a/tests/core/math/test_aabb.h b/tests/core/math/test_aabb.h
index 526972a82f1e..a5d70e02ca5c 100644
--- a/tests/core/math/test_aabb.h
+++ b/tests/core/math/test_aabb.h
@@ -48,7 +48,7 @@ TEST_CASE("[AABB] Constructor methods") {
 
 TEST_CASE("[AABB] String conversion") {
 	CHECK_MESSAGE(
-			String(AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6))) == "[P: (-1.5, 2, -2.5), S: (4, 5, 6)]",
+			String(AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6))) == "[P: (-1.5, 2.0, -2.5), S: (4.0, 5.0, 6.0)]",
 			"The string representation should match the expected value.");
 }
 
diff --git a/tests/core/math/test_rect2.h b/tests/core/math/test_rect2.h
index 0b1106ac3cf0..f306d0a9fdc6 100644
--- a/tests/core/math/test_rect2.h
+++ b/tests/core/math/test_rect2.h
@@ -57,7 +57,7 @@ TEST_CASE("[Rect2] Constructor methods") {
 TEST_CASE("[Rect2] String conversion") {
 	// Note: This also depends on the Vector2 string representation.
 	CHECK_MESSAGE(
-			String(Rect2(0, 100, 1280, 720)) == "[P: (0, 100), S: (1280, 720)]",
+			String(Rect2(0, 100, 1280, 720)) == "[P: (0.0, 100.0), S: (1280.0, 720.0)]",
 			"The string representation should match the expected value.");
 }