Question 1

How is profit percentage calculated?

Accepted Answer

Profit % = ((Selling Price − Cost Price) ÷ Cost Price) × 100. Profit is always calculated on cost price, not selling price.

Question 2

How is loss percentage calculated?

Accepted Answer

Loss % = ((Cost Price − Selling Price) ÷ Cost Price) × 100.

Question 3

What is the difference between markup and margin?

Accepted Answer

Markup is profit as a % of cost price; margin is profit as a % of selling price. A 25% markup equals a 20% margin.

Question 4

Is this calculator free?

Accepted Answer

Yes, completely free with no sign-up. All calculations happen in your browser.

Profit & Loss Calculator

Profit / Loss from cost & selling price