Requirement of a Calculated DFF in Asset Additions page or the Asset Assignments table

We need a calculated DFF in Asset Additions page or the Asset Assignments table which derives it value based on a calculation from a number/figure in another DFF (a DFF that is a calculated field). For instance, the asset quantity is in meters and I want a DFF that takes that value in the units field and divides it by 1000 to get kilometers. Is it possible to achieve this through any means ?