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Price increase calculator: what a raise in prices does for you

The short answer

Divide the increase by the old price and multiply by 100. Going from $150 to $165 is a 10% increase. If each sale costs you $90, profit per sale goes from $60 to $75. So you could lose 20 of every 100 customers and still make the same profit. That’s why small price increases usually help more than they hurt.

Raising prices feels risky until you see the math. Enter your numbers to see how much room you have.

The change

Labor, materials and anything else that goes up with each sale.
Per month or per year, whichever you know.

The increase

10%

$15.00 more per sale, taking profit per sale from $60.00 to $75.00.

Extra profit if nobody leaves
$1,500
Customers you could lose and still come out even
20 (20%)

How it works

  • Percent increase = (new price − old price) ÷ old price × 100.
  • New price from a percent = old price × (1 + percent ÷ 100).
  • Customers you can lose = 1 − (old profit per sale ÷ new profit per sale).
How much a 10% increase lets you lose, at different margins
Margin nowProfit per $100 saleAfter 10% moreCustomers you can lose
20%$20$3033.3%
30%$30$4025%
40%$40$5020%
50%$50$6016.7%

How to tell customers

Tell them ahead of time, give the date and keep it short. A sentence on why is plenty, and regular customers can get a little longer to adjust. Try it on new customers first, if you’re nervous. To see what the opposite does, try the discount calculator.

Common questions

How do I calculate a percentage price increase?
Subtract the old price from the new one, divide by the old price and multiply by 100. $150 to $165 is 15 ÷ 150, or 10%.
How do I add a percentage to a price?
Multiply by 1 plus the percent. A 7% increase on $200 is $200 × 1.07, or $214.
How much should I raise my prices?
Enough to cover your costs and hit your target margin. Check the break-even and margin calculators first. Small, regular increases are often easier on customers than a big one every few years.
How do I tell customers about a price increase?
Tell them before it happens: say what’s changing, when and, in a sentence, why. Then thank them for their business.
Will I lose customers?
Some, perhaps. The calculator shows how many you could lose and still make the same profit, which is usually more than people expect.

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