Online selling & marketing
Amazon FBA Calculator
Check if a product will make money on Amazon before you order inventory. Enter the selling price, product and shipping cost, Amazon's referral and FBA fees, storage and advertising per unit. See profit per unit, margin, ROI and monthly profit at your sales volume.
How to use the Amazon FBA Calculator
- Enter your selling price and landed product cost.
- Enter the referral % and FBA fee for your item.
- Add monthly storage and ad cost per unit.
- Enter monthly units to see total profit.
Formula
Example
A $29.99 product costing $8 landed, with a 15% referral fee, $5.20 FBA fee, $0.25 storage and $3 of ads makes about $9 profit per unit - about 30% margin.
Healthy FBA targets
- Net margin of 25-30% or more
- ROI of 100% or more on product cost
- Price of $20-$50 leaves room for fees and ads
Fees change
Amazon updates FBA fees every year and they depend on size tier and weight. Copy the exact fee from Amazon's Revenue Calculator for your ASIN into the box.
Related free tools
Frequently asked questions
What is the referral fee?
Amazon's commission on each sale - 15% for most categories, with a $0.30 minimum.
Does this include returns?
No. Add a few percent for returns in categories like clothing.
What is TACoS?
Total ad cost of sale = ad spend ÷ total revenue.
Is FBM cheaper?
Fulfilled by Merchant skips FBA fees but you pay shipping and handle storage yourself.
Results are estimates for planning, not financial advice. Confirm important decisions with a qualified professional. Your inputs stay in your browser and are not sent to Soft2Cloud.
Last updated: November 2026