diff --git a/shell/platform/fuchsia/flutter/flatland_platform_view.cc b/shell/platform/fuchsia/flutter/flatland_platform_view.cc
index 52c7b1bf556a9..0373c6ace6f23 100644
--- a/shell/platform/fuchsia/flutter/flatland_platform_view.cc
+++ b/shell/platform/fuchsia/flutter/flatland_platform_view.cc
@@ -84,25 +84,27 @@ void FlatlandPlatformView::OnGetLayout(
   }
 
   SetViewportMetrics({
-      pixel_ratio,                    // device_pixel_ratio
-      view_logical_size_.value()[0],  // physical_width
-      view_logical_size_.value()[1],  // physical_height
-      0.0f,                           // physical_padding_top
-      0.0f,                           // physical_padding_right
-      0.0f,                           // physical_padding_bottom
-      0.0f,                           // physical_padding_left
-      0.0f,                           // physical_view_inset_top
-      0.0f,                           // physical_view_inset_right
-      0.0f,                           // physical_view_inset_bottom
-      0.0f,                           // physical_view_inset_left
-      0.0f,                           // p_physical_system_gesture_inset_top
-      0.0f,                           // p_physical_system_gesture_inset_right
-      0.0f,                           // p_physical_system_gesture_inset_bottom
-      0.0f,                           // p_physical_system_gesture_inset_left,
-      -1.0,                           // p_physical_touch_slop,
-      {},                             // p_physical_display_features_bounds
-      {},                             // p_physical_display_features_type
-      {},                             // p_physical_display_features_state
+      pixel_ratio,  // device_pixel_ratio
+      std::round(view_logical_size_.value()[0] *
+                 pixel_ratio),  // physical_width
+      std::round(view_logical_size_.value()[1] *
+                 pixel_ratio),  // physical_height
+      0.0f,                     // physical_padding_top
+      0.0f,                     // physical_padding_right
+      0.0f,                     // physical_padding_bottom
+      0.0f,                     // physical_padding_left
+      0.0f,                     // physical_view_inset_top
+      0.0f,                     // physical_view_inset_right
+      0.0f,                     // physical_view_inset_bottom
+      0.0f,                     // physical_view_inset_left
+      0.0f,                     // p_physical_system_gesture_inset_top
+      0.0f,                     // p_physical_system_gesture_inset_right
+      0.0f,                     // p_physical_system_gesture_inset_bottom
+      0.0f,                     // p_physical_system_gesture_inset_left,
+      -1.0,                     // p_physical_touch_slop,
+      {},                       // p_physical_display_features_bounds
+      {},                       // p_physical_display_features_type
+      {},                       // p_physical_display_features_state
   });
 
   parent_viewport_watcher_->GetLayout(
diff --git a/shell/platform/fuchsia/flutter/tests/flatland_platform_view_unittest.cc b/shell/platform/fuchsia/flutter/tests/flatland_platform_view_unittest.cc
index cde88fd84d0d4..7fe9ed64853b4 100644
--- a/shell/platform/fuchsia/flutter/tests/flatland_platform_view_unittest.cc
+++ b/shell/platform/fuchsia/flutter/tests/flatland_platform_view_unittest.cc
@@ -672,7 +672,8 @@ TEST_F(FlatlandPlatformViewTests, SetViewportMetrics) {
   watcher.SetLayout(width, height, kDPR);
   RunLoopUntilIdle();
   EXPECT_EQ(delegate.metrics(),
-            flutter::ViewportMetrics(kDPR, width, height, -1.0));
+            flutter::ViewportMetrics(kDPR, std::round(width * kDPR),
+                                     std::round(height * kDPR), -1.0));
 }
 
 // This test makes sure that the PlatformView correctly registers semantics