diff --git a/Sources/Units/Units.swift b/Sources/Units/Units.swift
index 22d71ee..8fd8909 100644
--- a/Sources/Units/Units.swift
+++ b/Sources/Units/Units.swift
@@ -384,20 +384,20 @@ public struct UnitValue<ValueType: ConvertibleToDouble>:
 	}
 
 	/// The result will have the `unit` of the left hand side value.
-	public static func * <L: ConvertibleToDouble>(
-		lhs: UnitValue<L>, rhs: Double
+	public static func * <L: ConvertibleToDouble, R: BinaryFloatingPoint>(
+		lhs: UnitValue<L>, rhs: R
 	)
 		-> UnitValue<Double>
 	{
-		.init(value: lhs.value * rhs, unit: lhs.unit)
+		.init(value: lhs.value * Double(rhs), unit: lhs.unit)
 	}
 
-	public static func * <R: ConvertibleToDouble>(
-		lhs: Double, rhs: UnitValue<R>
+	public static func * <L: BinaryFloatingPoint, R: ConvertibleToDouble>(
+		lhs: L, rhs: UnitValue<R>
 	)
 		-> UnitValue<Double>
 	{
-		.init(value: lhs * rhs.value, unit: rhs.unit)
+		.init(value: Double(lhs) * rhs.value, unit: rhs.unit)
 	}
 
 	/// The result will have the `unit` of the left hand side value.