The clean way to do margin math.
Profit margin, markup, discounts, VAT, and bulk CSV — all in one place. Built for clarity, designed for 2026.
Profit margin
Enter cost and revenue. We compute profit, margin %, and markup %.
Profit
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Margin
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Markup
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Markup
Enter cost and a markup %. We compute selling price, profit, and resulting margin.
Selling price
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Profit
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Margin
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Discount & sale price
Enter the original price and a discount %. See the final price and savings.
Final price
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You save
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VAT / Sales tax
Add tax to a net price, or pull the net price out of a tax-inclusive total.
Net
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Tax
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Gross
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Bulk CSV calculator
Drop a CSV with cost and revenue columns. We append profit, margin %, and markup %.