diff --git a/java/res/values/dimens.xml b/java/res/values/dimens.xml
index feb119db2..04deb4eee 100644
--- a/java/res/values/dimens.xml
+++ b/java/res/values/dimens.xml
@@ -95,8 +95,9 @@
     <integer name="center_suggestion_percentile">36</integer>
 
     <!-- If the screen height in landscape is larger than the below value, then the keyboard
-         will not go into extract (fullscreen) mode. -->
-    <dimen name="max_height_for_fullscreen">2.5in</dimen>
+         will not go into extract (fullscreen) mode.
+         Current value is approximate to 7-inch tablet height - system navigation bar height. -->
+    <dimen name="max_height_for_fullscreen">500dip</dimen>
 
     <dimen name="key_hysteresis_distance">0.05in</dimen>
 </resources>
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 191ae5811..68d93295c 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -1003,12 +1003,12 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
             if ((imeOptions & EditorInfo.IME_FLAG_NO_EXTRACT_UI) != 0)
                 return false;
         }
+
         final Resources res = mResources;
-        DisplayMetrics dm = res.getDisplayMetrics();
-        float displayHeight = dm.heightPixels;
-        // If the display is more than X inches high, don't go to fullscreen mode
-        float dimen = res.getDimension(R.dimen.max_height_for_fullscreen);
-        if (displayHeight > dimen) {
+        final DisplayMetrics dm = res.getDisplayMetrics();
+        // If the display is more than X DIP high, don't go to fullscreen mode
+        final int threshold = res.getDimensionPixelSize(R.dimen.max_height_for_fullscreen);
+        if (dm.heightPixels >= threshold) {
             return false;
         } else {
             return super.onEvaluateFullscreenMode();