XinY Units - Convert weight units from Pounds to Megatonnes
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Pounds
The pound or pound-mass is a unit of mass used in British imperial and United States customary systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces.
Megatonnes
The megatonne is a unit of explosive power, equivalent to one million tons of TNT