diff --git a/Sources/Units/Units.swift b/Sources/Units/Units.swift
index 2f42d72..6962c08 100644
--- a/Sources/Units/Units.swift
+++ b/Sources/Units/Units.swift
@@ -206,12 +206,16 @@ public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
 // but the internal `value` will be stored as a `Double`.
 public struct UnitValue<ValueType: ConvertibleToDouble>:
 	CustomStringConvertible, Equatable,
-	Comparable, Codable
+	Comparable, Codable, Identifiable
 {
 	// Store the value internally as a Double for consistent calculations
 	public let value: Double
 	public let unit: Unit
 
+	public var id: String {
+		description
+	}
+
 	// MARK: Initialization
 	/// Initializes UnitValue, converting the input value to Double.
 	// MARK: Initialization