It's easy, 1 kg is 2.2 lb 2 kg is 4.4 lb 3 kg is 6.6 lb 4 kg is 8.8 lb 5 kg is 11.0 lb Note that 4 kg is 8.8 (8lb 12oz) not 8lb 8oz. Each 500 grams is 1.1 lb Jack Newman MD, FRCPC