Mathematical Basis & Formula Guide
This calculation model operates directly using continuous mathematical equations:
Selling Price = Cost / (1 - Target Margin Rate); Markup % = (Selling Price - Cost) / Cost.
Calculations are computed locally on your device with high-precision 64-bit IEEE floating-point arithmetic. No financial or personal parameters are transmitted to any remote analytics or storage server.
Frequently Asked Questions
Markup is the percentage added to cost, whereas margin is the percentage of selling price that is profit.