diff --git a/src/conv.rs b/src/conv.rs
index 4bd0660..2dcad3a 100644
--- a/src/conv.rs
+++ b/src/conv.rs
@@ -41,23 +41,23 @@ impl From<F8> for f32 {
 
 impl F8 {
 	/// Split self into the mantissa and exponent, as stored.
-	pub(crate) fn split(self) -> (u8, u8) {
+	pub(crate) const fn split(self) -> (u8, u8) {
 		(self.0 & M_MASK, self.0 >> M_BITS)
 	}
 
 	/// Split self into integers (m, e) such that `self == m * 2.pow(e)`.
-	pub(crate) fn split_unbias(self) -> (u8, i8) {
+	pub(crate) const fn split_unbias(self) -> (u8, i8) {
 		let (m, e) = self.split();
 		(m | M_BIAS, e as i8 - (E_BIAS + M_BITS) as i8)
 	}
 
-	pub(crate) fn merge(m: u8, e: u8) -> Self {
+	pub(crate) const fn merge(m: u8, e: u8) -> Self {
 		assert!(m <= M_STORAGE_MAX);
 		assert!(e <= E_STORAGE_MAX);
 		Self((e << M_BITS) | m)
 	}
 
-	pub(crate) fn merge_unbias(in_m: u32, in_e: i32) -> Self {
+	pub(crate) const fn merge_unbias(in_m: u32, in_e: i32) -> Self {
 		if in_m == 0 {
 			return Self(0);
 		}
@@ -74,11 +74,11 @@ impl F8 {
 		Self::merge(m as u8 & M_STORAGE_MAX, e as u8)
 	}
 
-	pub fn from_bits(bits: u8) -> Self {
+	pub const fn from_bits(bits: u8) -> Self {
 		Self(bits)
 	}
 
-	pub fn to_bits(self) -> u8 {
+	pub const fn to_bits(self) -> u8 {
 		self.0
 	}