diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FilterHelper.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FilterHelper.kt
index f083c1cfd16970..c5fb3ed26dd1f9 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FilterHelper.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FilterHelper.kt
@@ -394,8 +394,9 @@ internal object FilterHelper {
   internal fun sigmaToRadius(sigma: Float): Float {
     // Android takes blur amount as a radius while web takes a sigma. This value
     // is used under the hood to convert between them on Android
-    // https://cs.android.com/android/platform/superproject/main/+/main:frameworks/base/libs/hwui/jni/RenderEffect.cpp
+    // https://cs.android.com/android/platform/superproject/main/+/main:frameworks/base/libs/hwui/utils/Blur.cpp;l=34
     val sigmaToRadiusRatio = 0.57_735f
-    return (PixelUtil.toPixelFromDIP(sigma) - 0.5f) / sigmaToRadiusRatio
+    val pxSigma = PixelUtil.toPixelFromDIP(sigma)
+    return if (pxSigma > 0.5f) (pxSigma - 0.5f) / sigmaToRadiusRatio else 0f
   }
 }
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/InsetBoxShadowDrawable.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/InsetBoxShadowDrawable.kt
index a16eaa23d50652..b0de93e69cd61c 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/InsetBoxShadowDrawable.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/InsetBoxShadowDrawable.kt
@@ -55,11 +55,9 @@ internal class InsetBoxShadowDrawable(
   private val shadowPaint =
       Paint().apply {
         color = shadowColor
-        if (blurRadius > 0) {
-          maskFilter =
-              BlurMaskFilter(
-                  FilterHelper.sigmaToRadius(blurRadius * BLUR_RADIUS_SIGMA_SCALE),
-                  BlurMaskFilter.Blur.NORMAL)
+        val convertedBlurRadius = FilterHelper.sigmaToRadius(blurRadius * BLUR_RADIUS_SIGMA_SCALE)
+        if (convertedBlurRadius > 0) {
+          maskFilter = BlurMaskFilter(convertedBlurRadius, BlurMaskFilter.Blur.NORMAL)
         }
       }
 
@@ -119,7 +117,7 @@ internal class InsetBoxShadowDrawable(
     // https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/paint/box_painter_base.cc;l=338;drc=0a301506035e13015ea5c8dd39164d0d5954fa60
     val blurExtent = FilterHelper.sigmaToRadius(blurRadius)
     val outerRect =
-        RectF(innerRect).apply {
+        RectF(paddingBoxRect).apply {
           inset(-blurExtent, -blurExtent)
           if (spreadExtent < 0) {
             inset(spreadExtent, spreadExtent)
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/OutsetBoxShadowDrawable.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/OutsetBoxShadowDrawable.kt
index 3f1f9acdb01b58..3678592d70b675 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/OutsetBoxShadowDrawable.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/OutsetBoxShadowDrawable.kt
@@ -51,11 +51,9 @@ internal class OutsetBoxShadowDrawable(
   private val shadowPaint =
       Paint().apply {
         color = shadowColor
-        if (blurRadius > 0) {
-          maskFilter =
-              BlurMaskFilter(
-                  FilterHelper.sigmaToRadius(blurRadius * BLUR_RADIUS_SIGMA_SCALE),
-                  BlurMaskFilter.Blur.NORMAL)
+        val convertedBlurRadius = FilterHelper.sigmaToRadius(blurRadius * BLUR_RADIUS_SIGMA_SCALE)
+        if (convertedBlurRadius > 0) {
+          maskFilter = BlurMaskFilter(convertedBlurRadius, BlurMaskFilter.Blur.NORMAL)
         }
       }