conversion factor

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conversion factor

[kən′vər·zhən ‚fak·tər]
(mathematics)
The numerical factor by which one must multiply (or divide) a quantity that is expressed in terms of a certain unit to express the quantity in terms of another unit. Also known as unit conversion factor.
(nucleonics)

conversion factor

A quantity by which the numerical value in one system of units must be multiplied to arrive at the numerical value in another system of units.