public static void main(String[] args) {
		if (args.length == 0) {
			System.out.println("Usage: java UnitsConverter <weight in pounds>");
			System.exit(0);
		}
		numberToConvert = Double.parseDouble(args[0]);
		System.out.println("lbs " + args[0] + " equals:\n");
		for (Converter converter : Converter.values()) {
			System.out.printf("%s: %f%n", converter,
					converter.performConversion(numberToConvert));
		}
	}