Discount & Profit Margin Calculator
Enter your price, unit cost and promo discount to see the real margin hit - and how much extra volume the promo has to drive just to break even.
Currency:
£
£
£
%
Max discount before you lose money: 39.0%
Margin after discount
23.8%
down from 39.0% at full price
Discounted price
£80.00
Profit per order
£19.00
Profit at full price
£39.00
Extra units needed
+105%
You need 105% more volume for this promo to match full-price profit.
How it works
Set your normal selling price, unit cost and the discount you're considering. The tool shows your new margin, the extra units you'd need to sell to keep the same profit, and whether the promotion actually pays.