diff --git a/core/src/ptr/alignment.rs b/core/src/ptr/alignment.rs
index bdebf8baa..56c5e6cb7 100644
--- a/core/src/ptr/alignment.rs
+++ b/core/src/ptr/alignment.rs
@@ -146,6 +146,22 @@ impl TryFrom<usize> for Alignment {
     }
 }
 
+#[unstable(feature = "ptr_alignment_type", issue = "102070")]
+impl From<Alignment> for NonZeroUsize {
+    #[inline]
+    fn from(align: Alignment) -> NonZeroUsize {
+        align.as_nonzero()
+    }
+}
+
+#[unstable(feature = "ptr_alignment_type", issue = "102070")]
+impl From<Alignment> for usize {
+    #[inline]
+    fn from(align: Alignment) -> usize {
+        align.as_usize()
+    }
+}
+
 #[unstable(feature = "ptr_alignment_type", issue = "102070")]
 impl cmp::Ord for Alignment {
     #[inline]