diff --git a/app/src/main/java/com/github/damontecres/wholphin/MainActivity.kt b/app/src/main/java/com/github/damontecres/wholphin/MainActivity.kt
index 80f86954..a4a4f869 100644
--- a/app/src/main/java/com/github/damontecres/wholphin/MainActivity.kt
+++ b/app/src/main/java/com/github/damontecres/wholphin/MainActivity.kt
@@ -232,6 +232,7 @@ class MainActivity : AppCompatActivity() {
                     WholphinTheme(
                         true,
                         appThemeColors = appPreferences.interfacePreferences.appThemeColors,
+                        textSizeLevel = appPreferences.interfacePreferences.textSizeLevel,
                     ) {
                         ProvideLocalClock {
                             MainContent(
diff --git a/app/src/main/java/com/github/damontecres/wholphin/WholphinDreamService.kt b/app/src/main/java/com/github/damontecres/wholphin/WholphinDreamService.kt
index a281b101..aa898607 100644
--- a/app/src/main/java/com/github/damontecres/wholphin/WholphinDreamService.kt
+++ b/app/src/main/java/com/github/damontecres/wholphin/WholphinDreamService.kt
@@ -100,7 +100,10 @@ class WholphinDreamService :
                                 debugLogging = false,
                                 enableCache = true,
                             )
-                            WholphinTheme(appThemeColors = prefs.interfacePreferences.appThemeColors) {
+                            WholphinTheme(
+                                appThemeColors = prefs.interfacePreferences.appThemeColors,
+                                textSizeLevel = prefs.interfacePreferences.textSizeLevel,
+                            ) {
                                 ProvideLocalClock {
                                     val screensaverPrefs = prefs.interfacePreferences.screensaverPreference
                                     val currentItem by itemFlow.collectAsState(null)
diff --git a/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Theme.kt b/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Theme.kt
index 53c10bd2..3aa3711e 100644
--- a/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Theme.kt
+++ b/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Theme.kt
@@ -3,8 +3,10 @@ package com.github.damontecres.wholphin.ui.theme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.compositionLocalOf
+import androidx.compose.runtime.remember
 import androidx.tv.material3.MaterialTheme
 import com.github.damontecres.wholphin.preferences.AppThemeColors
+import com.github.damontecres.wholphin.preferences.DisplaySizeLevel
 import com.github.damontecres.wholphin.ui.theme.colors.BlueThemeColors
 import com.github.damontecres.wholphin.ui.theme.colors.BoldBlueThemeColors
 import com.github.damontecres.wholphin.ui.theme.colors.GreenThemeColors
@@ -30,6 +32,7 @@ fun getThemeColors(appThemeColors: AppThemeColors): ThemeColors =
 fun WholphinTheme(
     darkTheme: Boolean = true,
     appThemeColors: AppThemeColors = AppThemeColors.PURPLE,
+    textSizeLevel: DisplaySizeLevel = DisplaySizeLevel.DEFAULT,
     content: @Composable () -> Unit,
 ) {
     val themeColors = getThemeColors(appThemeColors)
@@ -39,14 +42,16 @@ fun WholphinTheme(
             darkTheme -> themeColors.darkScheme
             else -> themeColors.lightScheme
         }
+    val tvTypography = remember(textSizeLevel) { AppTypography.scaledBy(textSizeLevel) }
+    val materialTypography = remember(tvTypography) { tvTypography.toMaterialTypography() }
     CompositionLocalProvider(LocalTheme provides appThemeColors) {
         androidx.compose.material3.MaterialTheme(
             colorScheme = if (darkTheme) themeColors.darkSchemeMaterial else themeColors.lightSchemeMaterial,
-            typography = androidx.compose.material3.Typography(),
+            typography = materialTypography,
         ) {
             MaterialTheme(
                 colorScheme = colorScheme,
-                typography = AppTypography,
+                typography = tvTypography,
                 content = content,
             )
         }
diff --git a/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Type.kt b/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Type.kt
index baa5d047..46ce3074 100644
--- a/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Type.kt
+++ b/app/src/main/java/com/github/damontecres/wholphin/ui/theme/Type.kt
@@ -1,5 +1,59 @@
 package com.github.damontecres.wholphin.ui.theme
 
-import androidx.tv.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.isSpecified
+import com.github.damontecres.wholphin.preferences.DisplaySizeLevel
+import com.github.damontecres.wholphin.preferences.textPercent
+import androidx.compose.material3.Typography as MaterialTypography
+import androidx.tv.material3.Typography as TvTypography
 
-val AppTypography = Typography()
+val AppTypography: TvTypography = TvTypography()
+
+fun TvTypography.scaledBy(level: DisplaySizeLevel): TvTypography {
+    val scale = level.textPercent() / 100f
+    if (scale == 1f) return this
+    return TvTypography(
+        displayLarge = displayLarge.scaledBy(scale),
+        displayMedium = displayMedium.scaledBy(scale),
+        displaySmall = displaySmall.scaledBy(scale),
+        headlineLarge = headlineLarge.scaledBy(scale),
+        headlineMedium = headlineMedium.scaledBy(scale),
+        headlineSmall = headlineSmall.scaledBy(scale),
+        titleLarge = titleLarge.scaledBy(scale),
+        titleMedium = titleMedium.scaledBy(scale),
+        titleSmall = titleSmall.scaledBy(scale),
+        bodyLarge = bodyLarge.scaledBy(scale),
+        bodyMedium = bodyMedium.scaledBy(scale),
+        bodySmall = bodySmall.scaledBy(scale),
+        labelLarge = labelLarge.scaledBy(scale),
+        labelMedium = labelMedium.scaledBy(scale),
+        labelSmall = labelSmall.scaledBy(scale),
+    )
+}
+
+fun TvTypography.toMaterialTypography(): MaterialTypography =
+    MaterialTypography(
+        displayLarge = displayLarge,
+        displayMedium = displayMedium,
+        displaySmall = displaySmall,
+        headlineLarge = headlineLarge,
+        headlineMedium = headlineMedium,
+        headlineSmall = headlineSmall,
+        titleLarge = titleLarge,
+        titleMedium = titleMedium,
+        titleSmall = titleSmall,
+        bodyLarge = bodyLarge,
+        bodyMedium = bodyMedium,
+        bodySmall = bodySmall,
+        labelLarge = labelLarge,
+        labelMedium = labelMedium,
+        labelSmall = labelSmall,
+    )
+
+private fun TextStyle.scaledBy(scale: Float): TextStyle {
+    if (scale == 1f) return this
+    return copy(
+        fontSize = if (fontSize.isSpecified) fontSize * scale else fontSize,
+        lineHeight = if (lineHeight.isSpecified) lineHeight * scale else lineHeight,
+    )
+}