In the United States and other countries that use the short ton, two tons is equal to 4,000 pounds, according to Reference.com. There are three different types of ton measurements: the short ton, long ton and metric ton.
The short ton in the United States is often used to measure the weight of vehicles and is 2,000 pounds. A short ton is equal to 0.907 metric tons. A long ton, which is used in the United Kingdom and other countries, is 2,240 pounds. A long ton is equivalent to 1.016 metric tons. While two short tons equals 4,000 pounds, two long tons equal 4,480 pounds.