What is the difference between Amazon FBA and FBM fees?

With FBA (Fulfillment by Amazon), Amazon stores, picks, packs, and ships your orders for a per-unit fulfillment fee (starting at $3.22 for standard items) plus monthly inventory storage fees. With FBM (Fulfillment by Merchant), the seller packs and ships directly to buyers, avoiding FBA fulfillment fees but paying their own carrier shipping postage.

Amazon FBA vs FBM Profit & Fee Calculator (2026)

Calculate exact Amazon category referral fees, FBA pick & pack tiers, monthly storage fees, and net ROI.

Product & Sourcing Details

15% Referral Fee

Amazon Retail Price ($)

Item Sourcing Cost / COGS ($)

Product Category (Referral Rate)

FBA Package Size Tier

Inbound FBA Prep / Freight ($)

FBM Self-Postage Cost ($)

FBA vs FBM Profit Comparison

🛒 Amazon FBA 46.0% Margin

$22.99

Referral Fee: -$7.50

Pick & Pack Fee: -$4.75

Inbound Freight: -$0.75

Item COGS: -$14.00

📦 Merchant (FBM) 44.0% Margin

$21.99

Referral Fee: -$7.50

Self-Postage Cost: -$6.50

Item COGS: -$14.00

💡 Recommendation: FBA yields +$1.00 more profit per unit plus automatic Amazon Prime 2-day delivery badge.

🛒 Top-Rated Amazon FBA Prep & Packaging Supplies

Amazon Verified Deals

📦

FNSKU Barcode Thermal Label Rolls (1000-Pack)

Standard 2.25" x 1.25" direct thermal barcode stickers approved for Amazon FBA inbound inventory labeling.

FBA Approved View on Amazon →

🛍️

Suffocation Warning Poly Bags (Assorted Pack)

Mandatory clear polybags with printed suffocation warnings required for all Amazon FBA bundles and soft goods.

Compliance Essential View on Amazon →

🎁 Exclusive Side-Income Perks & Cash Rewards

Verified Partner Offers

💸

Freecash: Instant Cash & Daily Rewards

Earn free cash, crypto, or PayPal deposits during your downtime testing games and apps. Claim a free starter bonus case with our invite code.

Code: ZLLTM ⚡ Claim Freecash Bonus →

💳

Benjamin: Auto Cash Back on Business Buys

Get real cash back on inventory sourcing, shipping supplies, and everyday purchases. Stack rewards and cash out directly.

Bonus Active 🎁 Claim Benjamin Perk →

Frequently Asked Questions About Amazon FBA Fees

Essential fee rules and pick-and-pack calculations for Amazon sellers.

What are Amazon's standard seller referral fees?

Amazon charges a category referral fee of typically 15% (8% for consumer electronics, 17% for clothing, and 15% for home, toys, and books) on the total sales price.

What is the difference between Amazon FBA and FBM?

With FBA (Fulfillment by Amazon), Amazon handles customer storage, packing, shipping, and customer service for a fixed pick-and-pack fee. With FBM (Fulfillment by Merchant), the seller ships orders directly from their own home or warehouse.

Are there monthly inventory storage fees with Amazon FBA?

Yes. Amazon charges standard monthly storage fees of $0.87 per cubic foot (January to September) and peak holiday Q4 rates of $2.40 per cubic foot (October to December).