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Marginory

Amazon Tools (2026)

Free calculators and tools for Amazon sellers. Referral fee and plan pricing verified against Amazon's official pricing page (last verified 2026-08-24).

Amazon's fee structure is more complex than most marketplaces — a referral fee that varies by category and sometimes by price, a choice of two selling plans, and (if you use FBA) fulfillment and storage fees that Amazon only shows inside Seller Central. The four calculators below cover the full workflow: estimate FBA profit on a listing, compare FBA against shipping it yourself, get the exact referral fee for your category, and estimate monthly storage rent from your item's dimensions.

Amazon FBA Profit Calculator

Net profit after referral fee, estimated FBA fulfillment fee, COGS, and PPC ad spend.

Amazon FBA vs FBM Calculator

Compare net profit side-by-side: Fulfilled by Amazon vs Fulfilled by Merchant.

Amazon Referral Fee Calculator

Exact referral fee by category and price, with the $0.30 minimum applied automatically.

Amazon FBA Storage Fee Calculator

Estimated monthly storage cost from your item dimensions — standard vs Q4 peak season.

Amazon fees in 2026

  • Individual plan: $0.99 per item sold, no monthly fee
  • Professional plan: $39.99/month, unlimited listings
  • Referral fee: 15% default, varies 5%–45% by category
  • Referral fee minimum: $0.30 per item
  • FBA fulfillment & storage fees: not published outside Seller Central — our calculators use clearly-labeled estimates

Source: sell.amazon.com/pricing · Last verified 2026-08-24

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Amazon Selling Guides

How Much Does Amazon Take?Amazon FBA Fees Breakdown (2026)FBA vs FBM Profit ComparisonIs Selling on Amazon Worth It?

Frequently Asked Questions

What tools does Marginory offer for Amazon sellers?
Four free calculators: an FBA profit calculator (net profit after referral fee, FBA fulfillment, COGS, and PPC), an FBA vs FBM comparison (which fulfillment method nets more profit), a referral fee calculator (exact fee by category and price), and an FBA storage fee estimator (monthly cost by cubic feet, standard vs Q4 peak).
Are these Amazon calculators free?
Yes, all of them are free with no account or sign-up required. Enter your numbers, get instant results, and rerun as many scenarios as you like.
How much does Amazon actually take per sale?
Amazon charges a referral fee (15% by default, varying 5%–45% by category) plus either a $0.99-per-item Individual plan fee or a $39.99/month Professional plan. If you use FBA, an additional fulfillment fee and monthly storage fee apply on top.
Are the FBA fulfillment and storage fee numbers accurate?
Amazon's referral fees and plan pricing are verified directly against Amazon's official pricing page. FBA fulfillment fees and monthly storage fees, however, are not published anywhere outside Seller Central — our calculators use clearly-labeled estimates for those two figures. Always confirm your exact rate in Seller Central's Revenue Calculator before pricing a real listing.
Should I use FBA or FBM?
It depends on your margins, item size/weight, and how much your own time is worth. FBA gives you Prime eligibility and Amazon handles shipping, but charges a fulfillment fee and storage rent. FBM lets you control shipping cost and avoid storage fees, but you lose the Prime badge and do the packing yourself. Use the FBA vs FBM Calculator to compare net profit on your specific item.
Individual or Professional selling plan — which is cheaper?
Individual costs $0.99 per item with no monthly fee — cheap below roughly 40 sales/month. Professional costs a flat $39.99/month regardless of volume, which pays for itself once you clear about 40 sales/month (and it unlocks bulk listing tools, advertising, and top-category access that Individual doesn't have).
Does the referral fee change with price?
For some categories, yes. Jewelry is 20% up to $250 and 5% above; Watches is 16% up to $1,500 and 3% above; Clothing is tiered by price band. Most other categories charge a flat rate regardless of price. Use the Referral Fee Calculator and select your category to see the exact rate that applies at your price point.