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Price Increase Calculator
Find the new price after a percentage increase (or the % from a new price) and the most sales volume you can lose while still earning the same profit. Add your expected customer loss to see whether the increase really pays.
Last updated:
$
$
Product, packaging, fees per unit.
Price change entered as
%
$
%
Your estimate of customers lost.
Enter your values to see the result.
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How to use the Price Increase Calculator
- Enter your current price and the variable cost per unit.
- Enter the price change as a percent increase or as the new price.
- Add units sold now and, if you like, the volume loss you expect.
- Press Calculate to see the new price and how much volume you can lose.
- Compare options in the table: if your expected loss is below the maximum, the increase raises profit.
Price increase formulas
- New price = old price × (1 + I)
- Percent increase = new price ÷ old price − 1
- Break-even volume ratio = (old price − cost) ÷ (new price − cost)
- Maximum volume loss = 1 − ratio = I ÷ (M + I), with M = current margin and I = increase, both as decimals of the old price
Example: price $50, unit cost $30 (40% margin), increase 10%. New price $55, profit per unit $25 instead of $20. Volume ratio = 20 ÷ 25 = 0.80, so you can lose up to 20% of sales. Selling 1,000 units today, you need at least 800 after the increase. If you only lose 8%, profit rises from $20,000 to 920 × $25 = $23,000.
Maximum volume loss by margin and increase
| Increase | 20% margin | 30% margin | 40% margin | 50% margin | 70% margin |
|---|---|---|---|---|---|
| 3% | 13.0% | 9.1% | 7.0% | 5.7% | 4.1% |
| 5% | 20.0% | 14.3% | 11.1% | 9.1% | 6.7% |
| 10% | 33.3% | 25.0% | 20.0% | 16.7% | 12.5% |
| 15% | 42.9% | 33.3% | 27.3% | 23.1% | 17.6% |
| 20% | 50.0% | 40.0% | 33.3% | 28.6% | 22.2% |
Raising prices with fewer surprises
- Estimate your real loss: past price changes, competitor prices and customer feedback help. Price elasticity of demand measures how strongly volume reacts.
- Explain the change to existing customers and give notice; for subscriptions, consider keeping current customers on the old price for a while.
- Add value with the increase (better packaging, faster shipping, new features) so the new price feels justified.
- Watch both volume and profit for a few weeks; revenue can fall while profit rises.
Frequently asked questions
How do I calculate a price increase?
New price = current price × (1 + increase %). A 10% increase on $50 gives $50 × 1.10 = $55. To find the percent from a new price, divide new by old and subtract 1: $55 ÷ $50 − 1 = 10%.
How many customers can I lose after raising prices?
Maximum volume loss = increase ÷ (margin + increase), using decimals. With a 40% margin and a 10% increase, 0.10 ÷ 0.50 = 20%. You can lose up to 20% of unit sales and still earn the same gross profit.
Why can I lose so much volume?
The whole price increase is extra profit because your cost per unit does not change. On a $50 item costing $30, profit per unit rises from $20 to $25, so 80% of the old volume (20 ÷ 25) earns the same total.
Does a low margin make price increases safer?
Yes, in the sense that a low-margin product gains more profit per unit from a given increase. At a 20% margin, a 5% increase allows a 20% volume loss, while at a 70% margin it allows only about 6.7%. High-margin products have less room to lose customers.
Which cost should I use?
Use variable cost per unit: product cost, packaging, shipping you pay, payment and platform fees. Fixed costs like rent and salaries stay the same whatever the volume, so they do not change the break-even volume.
Can I use it for a price cut?
Yes. Enter a negative percent or a lower new price and the calculator shows the volume increase you need to keep the same profit, which is the same logic as a discount.
Are all the tools on FreeToolCabin tested for quality and accuracy?
Yes! Every tool on our site undergoes automated Q/A testing in real browser environments to ensure high precision, correct output, and zero errors. If you happen to spot a bug or have a suggestion, please contact us at [email protected] and our team will review it right away.
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