diff --git a/Sources/Units/Units.swift b/Sources/Units/Units.swift
index f55f00a..8e3f800 100644
--- a/Sources/Units/Units.swift
+++ b/Sources/Units/Units.swift
@@ -271,15 +271,22 @@ public struct UnitValue<ValueType: ConvertibleToDouble>:
 
 	// MARK: CustomStringConvertible Conformance
 	public var description: String {
+		return self.formatted(maximumFractionDigits: 4)
+	}
+
+	// New reusable function
+	public func formatted(maximumFractionDigits: Int) -> String {
 		let formatter = NumberFormatter()
-		formatter.maximumFractionDigits = 4
-		formatter.minimumFractionDigits = 0
+		formatter.maximumFractionDigits = maximumFractionDigits
+		formatter.minimumFractionDigits = 0  // To avoid trailing zeros when not needed
 		formatter.numberStyle = .decimal
 
-		if let formattedValue = formatter.string(from: NSNumber(value: value)) {
-			return "\(formattedValue) \(unit.rawValue)"
+		if let formattedValue = formatter.string(
+			from: NSNumber(value: self.value))
+		{
+			return "\(formattedValue) \(self.unit.rawValue)"
 		} else {
-			return "\(value) \(unit.rawValue)"
+			return "\(self.value) \(self.unit.rawValue)"
 		}
 	}