diff --git a/src/ascii_char.rs b/src/ascii_char.rs
index 39f2ceb..a9a529e 100644
--- a/src/ascii_char.rs
+++ b/src/ascii_char.rs
@@ -431,6 +431,18 @@ impl AsciiChar {
         self as u8 as char
     }
 
+    /// Converts an ASCII character into a `&str`.
+    #[inline]
+    pub const fn as_str(&self) -> &str {
+        unsafe {
+            // SAFETY: Self is repr(u8) so casting *const Self to *const u8 is valid,
+            // and casting a *const T to *const [T; 1] is always valid (see core::array::from_ref).
+            let slice = &*(self as *const Self as *const [u8; 1]);
+            // SAFETY: an ASCII char is always valid UTF-8
+            core::str::from_utf8_unchecked(slice)
+        }
+    }
+
     // the following methods are like ctype, and the implementation is inspired by musl.
     // The ascii_ methods take self by reference for maximum compatibility
     // with the corresponding methods on u8 and char.
@@ -999,6 +1011,11 @@ mod tests {
         assert_eq!(AsciiChar::A.as_char(), 'A');
     }
 
+    #[test]
+    fn as_str() {
+        assert_eq!(AsciiChar::A.as_str(), "A");
+    }
+
     #[test]
     fn new_array_is_correct() {
         for byte in 0..128_u8 {