If you change your price, how many sales can you lose or must you win?
Enter your price, what each sale costs you to deliver, and the change you are thinking about. See the point where the new price earns exactly what the old one did. Nothing you type leaves your browser.
Break-even change in sales
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Enter your price, cost and the change to see the answer.
- Profit per unit today
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- Profit per unit after the change
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- Units per month to earn the same
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"Profit per unit" here means price minus the cost of delivering one more unit. Fixed costs such as rent and salaries stay the same either way, so they do not change the break-even point.
How to read the answer
A price rise earns more on every sale, so you can afford to lose some sales and still come out even. A discount earns less on every sale, so you need more sales just to stand still. The calculator finds that break-even point.
Then ask the real question: how will your customers actually respond? If you expect to lose fewer sales than the break-even after a rise, the rise pays. If you expect to win more sales than the break-even after a cut, the cut pays. Discounts on thin margins usually need far more extra sales than people expect.
How to find out how customers will respond
- Look at past price changes. Compare sales before and after, against products or regions that did not change price at the same time.
- Test it. Try the new price in some regions, channels or customer groups first, and compare them with the rest. Our A/B test calculator shows how much traffic a fair test needs.
- Watch the mix. A price change can shift which products people buy, not only how many.
How it is calculated
units needed after the change = units today × (profit per unit today ÷ profit per unit after the change)
The break-even change in sales is that number compared with units today. It assumes the cost to deliver one more unit stays the same.
Related: ROI and payback calculator and our business strategy and economics service.
Planning a price change?
We estimate how your customers respond to price, from your own sales data, before you commit.
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