Cost and markup % on cost—selling price and profit margin on price.
Selling price = cost × (1 + markup% ÷ 100). Margin on revenue = (sell − cost) ÷ sell × 100 when sell > 0. Markup below −100 is rejected.
This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.
Educational estimate only.