![]() ![]() ![]() A large open explosion of TNT may maintain fireball temperatures high enough so that some of those products do burn up with atmospheric oxygen. Gas-expansion and pressure-change effects tend to "freeze" the burn rapidly. Small TNT explosions, especially in the open, don't tend to burn the carbon-particle and hydrocarbon products of the explosion. However even on this basis, comparing the actual energy yields of a large nuclear device and an explosion of TNT can be slightly inaccurate. For TNT this has been accurately measured as 4,686 J/g from a large sample of air blast experiments, and theoretically calculated to be 4,853 J/g. Where for example the comparison is by energy yield, an explosive's energy is normally expressed for chemical purposes as the thermodynamic work produced by its detonation. Historical derivation of the value Īlternative values for TNT equivalency can be calculated according to which property is being compared and when in the two detonation processes the values are measured. The TNT equivalent appears in various nuclear weapon control treaties, and has been used to characterize the energy released in asteroid impacts. The kiloton and megaton of TNT equivalent have traditionally been used to describe the energy output, and hence the destructive power, of a nuclear weapon. The " megaton (of TNT equivalent)" is a unit of energy equal to 4.184 petajoules ( 4.184 ×10 15 J). The " kiloton (of TNT equivalent)" is a unit of energy equal to 4.184 terajoules ( 4.184 ×10 12 J). This convention intends to compare the destructiveness of an event with that of conventional explosive materials, of which TNT is a typical example, although other conventional explosives such as dynamite contain more energy. In other words, for each gram of TNT exploded, 4.184 kilojoules (or 4,184 joules) of energy are released. The ton of TNT is a unit of energy defined by that convention to be 4.184 gigajoules ( 1 gigacalorie), which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT. TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. Select which definition of the ton you would like to use from the drop-down menu and enter a value in either pounds or tons to convert between the two.The explosion from a 14-kiloton nuclear test at the Nevada Test Site, in 1951 The following converter can be used to convert from pounds to the various definitions of the ton mentioned above. The metric ton is based on the kilogram (kg), and is equal to 1000 kg:ġ metric ton = 1000 kg Convert pounds to tons The imperial ton was mostly used in the UK, and still is to a degree, but since the UK began the process of metrication, the metric ton is also used in the UK. The US ton is mostly used in the United States and Canada. For example, there are 2240 pounds in an imperial ton, and 2204.6226 pounds in a metric ton. However, the definitions of the ton vary in both systems. Both tons and pounds are measurements of mass/weight in the US customary and imperial systems of measurement. ![]() To convert pounds to tons, use the calculator below. There are 2000 pounds (lb) in one US customary ton (t). Home / primary math / weight / pounds to tons Pounds to tons ![]()
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