what is a short ton
1 Short ton, equal to 2,000 lb (907.2 kg). 2  Ton. 3  Tonnage, volume measurement used in maritime shipping, originally based on 100 cubic feet (2.83 m 3). 4  Tonne, also known as a metric ton (t), equal to 1,000 kg (2,205 lb) or 1 megagram.