diff --git a/app/src/main/java/com/github/damontecres/wholphin/preferences/DisplaySizeLevels.kt b/app/src/main/java/com/github/damontecres/wholphin/preferences/DisplaySizeLevels.kt
index 22557870..ae4428f1 100644
--- a/app/src/main/java/com/github/damontecres/wholphin/preferences/DisplaySizeLevels.kt
+++ b/app/src/main/java/com/github/damontecres/wholphin/preferences/DisplaySizeLevels.kt
@@ -9,6 +9,7 @@ val displaySizeLevelDisplayOrder: List<DisplaySizeLevel> =
         DisplaySizeLevel.SMALL,
         DisplaySizeLevel.DEFAULT,
         DisplaySizeLevel.LARGE,
+        DisplaySizeLevel.EXTRA_LARGE,
     )
 
 fun DisplaySizeLevel.scaledSp(baseSp: Int): TextUnit {
@@ -22,14 +23,14 @@ fun DisplaySizeLevel.scaledSp(baseSp: Int): TextUnit {
                     10 -> 8
                     12 -> 10
                     13 -> 11
-                    14 -> 12
+                    14 -> 11
                     16 -> 13
                     18 -> 15
-                    20 -> 17
+                    20 -> 16
                     24 -> 20
-                    28 -> 24
-                    56 -> 47
-                    64 -> 54
+                    28 -> 23
+                    56 -> 46
+                    64 -> 52
                     else -> null
                 }
             }
@@ -52,18 +53,35 @@ fun DisplaySizeLevel.scaledSp(baseSp: Int): TextUnit {
             }
 
             DisplaySizeLevel.LARGE -> {
+                when (baseSp) {
+                    10 -> 11
+                    12 -> 13
+                    13 -> 14
+                    14 -> 15
+                    16 -> 18
+                    18 -> 20
+                    20 -> 22
+                    24 -> 26
+                    28 -> 31
+                    56 -> 62
+                    64 -> 70
+                    else -> null
+                }
+            }
+
+            DisplaySizeLevel.EXTRA_LARGE -> {
                 when (baseSp) {
                     10 -> 12
                     12 -> 14
-                    13 -> 15
-                    14 -> 16
+                    13 -> 16
+                    14 -> 17
                     16 -> 19
-                    18 -> 21
-                    20 -> 23
-                    24 -> 28
-                    28 -> 32
-                    56 -> 65
-                    64 -> 74
+                    18 -> 22
+                    20 -> 24
+                    24 -> 29
+                    28 -> 34
+                    56 -> 67
+                    64 -> 77
                     else -> null
                 }
             }
@@ -77,9 +95,10 @@ fun DisplaySizeLevel.scaledSp(baseSp: Int): TextUnit {
 
 fun DisplaySizeLevel.textPercent(): Int =
     when (this) {
-        DisplaySizeLevel.EXTRA_SMALL -> 84
+        DisplaySizeLevel.EXTRA_SMALL -> 82
         DisplaySizeLevel.SMALL -> 92
-        DisplaySizeLevel.LARGE -> 116
+        DisplaySizeLevel.LARGE -> 110
+        DisplaySizeLevel.EXTRA_LARGE -> 120
         DisplaySizeLevel.DEFAULT, DisplaySizeLevel.UNRECOGNIZED -> 100
     }
 
@@ -87,7 +106,8 @@ fun DisplaySizeLevel.cardPercent(): Int =
     when (this) {
         DisplaySizeLevel.EXTRA_SMALL -> 78
         DisplaySizeLevel.SMALL -> 90
-        DisplaySizeLevel.LARGE -> 116
+        DisplaySizeLevel.LARGE -> 115
+        DisplaySizeLevel.EXTRA_LARGE -> 130
         DisplaySizeLevel.DEFAULT, DisplaySizeLevel.UNRECOGNIZED -> 100
     }
 
@@ -95,6 +115,7 @@ fun DisplaySizeLevel.spacingPercent(): Int =
     when (this) {
         DisplaySizeLevel.EXTRA_SMALL -> 75
         DisplaySizeLevel.SMALL -> 88
-        DisplaySizeLevel.LARGE -> 125
+        DisplaySizeLevel.LARGE -> 118
+        DisplaySizeLevel.EXTRA_LARGE -> 135
         DisplaySizeLevel.DEFAULT, DisplaySizeLevel.UNRECOGNIZED -> 100
     }
diff --git a/app/src/main/proto/WholphinDataStore.proto b/app/src/main/proto/WholphinDataStore.proto
index 8e50a965..0a2cff12 100644
--- a/app/src/main/proto/WholphinDataStore.proto
+++ b/app/src/main/proto/WholphinDataStore.proto
@@ -182,6 +182,7 @@ enum DisplaySizeLevel{
   EXTRA_SMALL = 1;
   SMALL = 2;
   LARGE = 3;
+  EXTRA_LARGE = 4;
 }
 
 message InterfacePreferences {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 48eb91ec..c0493cf8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -405,6 +405,7 @@
     <string name="display_size_level_small">Small</string>
     <string name="display_size_level_default">Default</string>
     <string name="display_size_level_large">Large</string>
+    <string name="display_size_level_extra_large">Extra large</string>
     <string name="aspect_ratio">Aspect Ratio</string>
     <string name="show_details">Show details</string>
     <string name="image_type">Image type</string>
@@ -606,6 +607,7 @@
         <item>@string/display_size_level_small</item>
         <item>@string/display_size_level_default</item>
         <item>@string/display_size_level_large</item>
+        <item>@string/display_size_level_extra_large</item>
     </string-array>
 
     <string name="skip_ignore">Ignore</string>
diff --git a/app/src/test/java/com/github/damontecres/wholphin/ui/util/InterfaceHelpersTest.kt b/app/src/test/java/com/github/damontecres/wholphin/ui/util/InterfaceHelpersTest.kt
index c4624fd5..13a4b52c 100644
--- a/app/src/test/java/com/github/damontecres/wholphin/ui/util/InterfaceHelpersTest.kt
+++ b/app/src/test/java/com/github/damontecres/wholphin/ui/util/InterfaceHelpersTest.kt
@@ -118,8 +118,8 @@ class InterfaceHelpersTest {
                     ),
                 cardSizeLevel = DisplaySizeLevel.LARGE,
             )
-        // LARGE → cardPercent() = 116. 172 * 116 / 100 = 199 (integer truncation).
-        assertEquals(199, customization.cardHeightDp)
+        // LARGE → cardPercent() = 115. 172 * 115 / 100 = 197 (integer truncation).
+        assertEquals(197, customization.cardHeightDp)
     }
 
     @Test
@@ -132,8 +132,8 @@ class InterfaceHelpersTest {
                     ),
                 spacingLevel = DisplaySizeLevel.LARGE,
             )
-        // LARGE → spacingPercent() = 125. BASE_SPACING_DP = 16. 16 * 125 / 100 = 20.
-        assertEquals(20, customization.spacingDp)
+        // LARGE → spacingPercent() = 118. BASE_SPACING_DP = 16. 16 * 118 / 100 = 18.
+        assertEquals(18, customization.spacingDp)
     }
 
     @Test