The normal distribution is sometimes informally called the bell curve. However, many other distributions are bell-shaped (such as the Cauchy, Student's t, and logistic distributions).
One metric ton (also known as a 'Tonne') contains 1000 kg, or 2204 pounds. There are two other types of ton: One Imperial ton (or British ton) equals 2240 pounds, or 1016.3 kg. One short ton contains 2000 pounds, or 907.4 kilogrammes.
The metric ton (also known as tonne) equals to 1000 kilograms and used in the metric system. The abbreviation is T. If you are trading internationally, you must know what type of ton as a weight unit is used in that country to avoid the surprises. Pound is a unit of mass in the imperial and U.S. customary measurement systems. International avoirdupois pound is defined as 0.45359237 kilograms.