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Margin Improvement Estimator: Price, Mix and Cost Impact on EBITDA
Margin moves through three levers: what you charge, what you sell and what it costs you to deliver. Price changes get the most attention and carry the most uncertainty, because the volume you lose depends on customer behaviour that only you can estimate.
Enter your revenue, variable cost percentage and current EBITDA margin. Then set a price change and three volume-response cases, either as volume-loss percentages or as elasticities, along with any mix shift and cost change. You get the EBITDA and margin impact for each case and the breakeven volume loss for the price change. The example values are illustrative; replace them with your own.
Baseline (last twelve months)
Price
Mix and cost
Your results
Base-case EBITDA impact
+$3,820,700
13.4% margin vs 10.0% today (+3.4 points), at 2.0% volume loss.
| Case | Volume loss | EBITDA impact | Margin |
|---|---|---|---|
| Low volume loss | 1.0% | +$4,267,850 | 13.7% |
| Base | 2.0% | +$3,820,700 | 13.4% |
| High volume loss | 4.0% | +$2,926,400 | 12.8% |
Breakeven volume loss for the price change
11.1%
Share of units you can lose before the price increase alone leaves EBITDA unchanged. Excludes mix and cost changes.
Free template · Excel workbook
Price Waterfall and Price Increase Model
From list to pocket price, plus a price-increase model with segment breakeven volume loss and realization tracking.
Illustrative example values are prefilled; replace them with your own. Everything is calculated in your browser, and Performis does not store what you enter. Our analytics record which calculator was used and a few summary figures, such as a rounded result.
The formulas
- Fixed costs
- Revenue × (1 − variable cost %) − baseline EBITDA
- Volume loss from elasticity
- Price change % × elasticity
- New revenue
- Revenue × (1 − volume loss) × (1 + price change)
- New variable cost
- Revenue × (1 − volume loss) × variable cost % × (1 + variable cost change)
- Mix effect
- New revenue × shifted volume % × margin change on shifted volume
- New EBITDA
- New revenue − new variable cost − (fixed costs + fixed cost change) + mix effect
- Breakeven volume loss
- Price change ÷ (price change + contribution margin), where contribution margin = 1 − variable cost %
How to interpret your result
Read the range, not the base case
The spread between low and high cases shows how much of the result depends on customer response. If the high case still adds EBITDA, the move is robust to your own assumptions.
Compare your cases to breakeven
If your high volume-loss case is below the breakeven, the price rise adds EBITDA even in the cautious scenario. If it is above, the decision rests on whether you believe the lower cases.
Separate the levers
Run price alone first, then add mix and cost. This shows which lever is carrying the result and which are marginal.
Check the elasticity sign convention
Elasticity here is entered as a positive number of percent volume lost per percent of price. Make sure any figure you reuse follows the same convention.
Remember the simplifications
Customer churn is not instant, competitors react and costs are rarely perfectly variable. Treat the output as a structured sense-check before a pricing test.
Frequently asked questions
How do I estimate the volume I will lose from a price increase?
This tool does not assume a number. Enter low, base and high volume-loss percentages, or an elasticity for each case. Base them on your own history: past price moves, win/loss data and what customers said. The result shows the EBITDA range across your three cases.
What is breakeven volume loss?
It is the share of units you can lose before a price increase leaves EBITDA no better than today. It equals the price change divided by the sum of the price change and the contribution margin. If your realistic volume loss is below it, the increase adds EBITDA.
Why does a thinner contribution margin raise the breakeven?
The lower the contribution margin, the less each lost unit costs you, while every point of price still lands on the units you keep. A business with thin contribution margin can therefore absorb a larger volume loss before breaking even. The formula takes this directly from your variable cost percentage.
How is mix shift modelled?
You enter the share of volume that moves to products with a different margin and the margin change in percentage points on that volume. The effect is new revenue × shifted share × margin change. It is a simple first-order estimate.
What does the tool treat as fixed and variable?
Variable cost moves with units sold. Everything else is fixed and is derived from your EBITDA margin. If your real cost behaviour is semi-variable, the volume-loss effect will differ.
Is my data stored or sent anywhere?
No. All calculations run in your browser and nothing you enter is collected or saved.
Take it further with a template
Free template · Excel workbook
Price Waterfall and Price Increase Model
From list to pocket price, plus a price-increase model with segment breakeven volume loss and realization tracking.
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