Convert from kilodalton to quintal [metric]

Unit Definition (kilodalton)
The kilodalton is a unit of mass equal to 1000 atomic mass units.

Unit Definition (quintal [metric])
The quintal [metric] is a common metric unit of mass equal to 100 kilograms or approximately 220.4623 pounds. Notice that the metric ton is roughly equal to its non-metric predecessors, but the metric quintal is about twice the size of the traditional quintal.