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Supply markup calculator

Markup on the invoice cost is not the same as margin, and waste never makes it onto the customer’s receipt unless you put it there.

True cost = invoice × (1 + waste). Price before tax = true cost × (1 + markup). Tax, when it is on, is calculated on that price and added after.

Numbers stay in this browser. This is shop math, not tax, legal, or lending advice.

Start from a trade

Sell price before tax

$128.52

  • True cost: $91.80

Tax off

More shop math