Enter your values, then choose Calculate. Results stay on this device.

Limits
  • Markup is applied to cost. A 50% markup is not a 50% margin.
  • Money inputs support 2 decimal places unless stated otherwise. Use one currency consistently. These estimates are not financial, tax or legal advice.
  • Physical phones and real Safari remain unverified.

What happens to your data

Markup calculator runs inside this browser tab, and the page's code comes from this site. There is no application server to receive your data, and the site's security policy limits connections to this site.

How local processing works

Good to know

  • Markup is applied to cost. A 50% markup is not a 50% margin.
  • Money inputs support 2 decimal places unless stated otherwise. Use one currency consistently. These estimates are not financial, tax or legal advice.
  • Physical phones and real Safari remain unverified.