Break-Even Selling Price Calculator
Work backward from your target profit to find the price you need to charge.
What is the Break-Even Selling Price Calculator?
Most profit calculators go one direction: price in, profit out. This one works backward — tell it the profit margin or dollar profit you want per unit, and it solves for the exact selling price that gets you there, accounting for Amazon's referral fee (which is itself a percentage of the price you're solving for).
The math behind it
Since the referral fee scales with price, this isn't simple subtraction — it requires solving an equation where price appears on both sides. For a target margin: Price = (Cost + Fees) ÷ (1 − referral% − target margin%). For a target dollar profit: Price = (Cost + Fees + Target Profit) ÷ (1 − referral%).
How to use it
- Enter your product cost and fixed fulfillment/other fees.
- Enter your category's referral fee percentage.
- Choose whether you're targeting a margin percentage or a flat dollar profit, and enter that target.
This is useful when you're pricing a new product and want to work from "I need at least $3 profit per unit" or "I need a 30% margin" back to an actual list price, rather than guessing a price and checking afterward if it clears your bar.
Want the "why" behind this tool? Read Why 'What Price Do I Need?' Is an Algebra Problem on Amazon.