Discount Sales Lift Calculator
Find the extra unit sales needed to preserve gross profit after a discount.
Example result
- Extra units
- 100 units
- Required sales lift
- 33.33%
Fixed costs and per-unit costs stay constant. A discount with no positive contribution cannot recover profit through volume.
How to calculate it
Fixed costs and per-unit costs stay constant. A discount with no positive contribution cannot recover profit through volume.
Worked example
This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.
- Original unit price
- 100 currency units
- Variable unit cost
- 60 currency units
- Discount
- 10 %
- Original sales volume
- 300 units
Required sales: 400 units
Discount Sales Lift FAQ
Does this predict how customers respond?
No. It calculates the sales hurdle. Use an experiment or demand evidence to judge whether that hurdle is achievable.
What does this calculation leave out?
Fixed costs and per-unit costs stay constant. A discount with no positive contribution cannot recover profit through volume.
Are my inputs saved or sent to a server?
Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.
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