1. Percentage of a Number
What is X% of Y?
(X / 100) × YPercentage & Margin Calculator
Calculate percentages, percentage change, discounts, tax, and profit margin vs. markup.
2. Ratio to Percentage
X is what % of Y?
(X / Y) × 1003. Percentage Change (Increase / Decrease)
Change from Value A to Value B
((B − A) / |A|) × 1004. Retail & Shopping
Discount & Sales Tax Calculator
Price − Discount + Tax173.19 Final Total Price
−40 Total Savings (20%)
+13.2 Tax on 159.99
5. Business & Pricing
Profit Margin & Markup Calculator
Margin = (Revenue − Cost) / Revenue Markup = (Revenue − Cost) / Cost40 Gross Profit (Revenue − Cost)
40% Gross Profit Margin %
66.67% Markup Percentage %
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