Markup, Profit Margin & Sales Tax Calculator

Calculate profit margins, cost markups, target selling prices, and sales tax / VAT inclusive versus exclusive amounts.

About this tool

Easily calculate profit margins, required markups, and sales tax breakdowns with transparent mathematical formulas.

How to use this tool

  1. Choose your calculation mode (Cost & Price, Markup Finder, Margin Finder, or Sales Tax).
  2. Input your numbers to view instantaneous margin and profit breakdowns.
  3. Observe the explicit formulas explaining each calculation step.

How it works

Applies verified financial formulas to derive margins, markups, and tax amounts across four specialized calculation modes.

When to use this tool

  • Setting retail product prices with healthy profit margins
  • Extracting net amounts from VAT-inclusive supplier receipts

Frequently asked questions

Why does a 50% markup not equal a 50% margin?

Markup measures profit relative to cost, whereas margin measures profit relative to sales price.

Limitations

Calculations assume consistent unit pricing.

Privacy

All calculations are executed client-side.