The World's Largest Chocolate Bar Weighed 5,792 kg (12,770 lb).

The World’s Largest Chocolate Bar Weighed 5,792 kg (12,770 lb).

The largest chocolate bar weighed 5,792.50 kg (12,770 lb 4.48 oz) and was created by Thorntons plc (UK) in Alfreton, Derbyshire, UK on 7 October 2011. The chocolate bar measured 4.0 m (13 ft 1.48 in) by 4.0 m (13 ft 1.48 in) by 0.35 m (1 ft 1.78 in).

Source