Price change impact
Your profit after a price change, and how many customers you can lose without losing money.
How it works
Contribution = (price − cost) × volume. Maximum volume you can lose = 1 − current unit margin / new unit margin.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Current price40
- Variable cost per unit24
- Current sales (units / month)500
- Price change (%)10
- Expected volume change (%)-8
you get:
- Contribution after change€9,200.00 (+€1,200.00)
- Current contribution€8,000.00
- New price€44.00
- Volume you can lose and still break even20 % (100 units)
Frequently asked questions
How does the “Price change impact” tool work?
Contribution = (price − cost) × volume. Maximum volume you can lose = 1 − current unit margin / new unit margin.
What do I need to enter?
Just fill in: current price, variable cost per unit, current sales, price change, expected volume change. The result updates as you type.
Can you give an example?
Current price: 40; Variable cost per unit: 24; Current sales (units / month): 500; Price change (%): 10; Expected volume change (%): -8 → Contribution after change: €9,200.00 (+€1,200.00); Current contribution: €8,000.00.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.