diff --git a/units/src/amount.rs b/units/src/amount.rs
index 559c956234..bb06c72267 100644
--- a/units/src/amount.rs
+++ b/units/src/amount.rs
@@ -864,6 +864,22 @@ impl Amount {
     /// Returns [None] if overflow occurred.
     pub fn checked_rem(self, rhs: u64) -> Option<Amount> { self.0.checked_rem(rhs).map(Amount) }
 
+    /// Unchecked addition.
+    /// This is the unsafe variant of addition.  Overflow instead of panic.
+    pub fn unchecked_add(self, rhs: Amount) -> Amount {
+        Self(self.0 + rhs.0)
+    }
+
+    /// Unchecked subtraction.
+    /// This is the unsafe variant of subtraction.  Overflow instead of panic.
+    pub fn unchecked_sub(self, rhs: Amount) -> Amount {
+        Self(self.0 - rhs.0)
+    }
+
+    /// Unchecked multiplication.
+    /// This is the unsafe variant of multiplication.  Overflow instead of panic.
+    pub fn unchecked_mul(self, rhs: Amount) -> Amount { Self(self.0 * rhs.0) }
+
     /// Convert to a signed amount.
     pub fn to_signed(self) -> Result<SignedAmount, ParseAmountError> {
         if self.to_sat() > SignedAmount::MAX.to_sat() as u64 {
@@ -1229,6 +1245,22 @@ impl SignedAmount {
         self.0.checked_rem(rhs).map(SignedAmount)
     }
 
+    /// Unchecked addition.
+    /// This is the unsafe variant of addition.  Overflow instead of panic.
+    pub fn unchecked_add(self, rhs: SignedAmount) -> SignedAmount {
+        Self(self.0 + rhs.0)
+    }
+
+    /// Unchecked subtraction.
+    /// This is the unsafe variant of subtraction.  Overflow instead of panic.
+    pub fn unchecked_sub(self, rhs: SignedAmount) -> SignedAmount {
+        Self(self.0 - rhs.0)
+    }
+
+    /// Unchecked multiplication.
+    /// This is the unsafe variant of multiplication.  Overflow instead of panic.
+    pub fn unchecked_mul(self, rhs: SignedAmount) -> SignedAmount { Self(self.0 * rhs.0) }
+
     /// Subtraction that doesn't allow negative [SignedAmount]s.
     /// Returns [None] if either [self], `rhs` or the result is strictly negative.
     pub fn positive_sub(self, rhs: SignedAmount) -> Option<SignedAmount> {