Markup Calculator illustration

Markup Calculator

Prices a product by applying a markup percentage to its cost, reports the resulting margin, and includes a markup-to-margin cheat sheet for quick reference.

Notes

  • Keystone pricing — a 100% markup, doubling the cost — yields a 50% margin and remains retail’s rule of thumb.
  • This is an educational estimate, not financial advice; talk to a qualified adviser before making money decisions.