Estimate your Amazon FBA profit margin by entering your product cost, sale price, and dimensions. The calculator applies Amazon's referral fee (typically 8–15% by category), FBA fulfillment fee based on size tier and weight, and optional storage costs to show your net profit and margin per unit. Use this before sourcing a product to ensure the numbers work after all of Amazon's fees are accounted for.
Calculate your monthly burn rate, net burn, and cash runway in months. See when you'll run out of money and how much you need to raise to hit a target runway. Free.
Calculate the profit or loss on your ad campaigns. Enter spend, CPC, conversion rate, average order value, and gross margin to see ROAS, ROI, CAC, and break-even thresholds. Free.
Calculate your conversion rate from visitors and conversions, see total value and value per visitor, and model the revenue impact of improving your CVR by 10%, 25%, 50%, or 100%. Free.
How Amazon FBA Fees Work (and How to Calculate Your Profit)
Amazon FBA involves referral fees, fulfillment fees, and storage costs that can quietly consume most of your margin. Here's how to model all of them before you source a single unit.
How to Calculate Profit Per Unit Sold
Many sellers undercount their per-unit costs and end up with profit margins that look healthy but disappear in practice. Here's how to model every cost that touches each sale.
What Is Inventory Turnover and Why Does It Matter?
Inventory turnover tells you how efficiently you manage stock. Slow-turning inventory ties up cash, increases storage costs, and raises obsolescence risk. Here's how to calculate and improve it.
