Profit Margin and Markup Calculator

Understand the difference between profit margin and markup:

• Gross Profit: Selling Price − Cost Price
• Profit Margin (%): (Gross Profit ÷ Selling Price) × 100
• Markup (%): (Gross Profit ÷ Cost Price) × 100

For example, an item costing $80 sold for $100 has a 20% margin and a 25% markup.