Amazon just dropped the 2027 US FBA and Referral fee updates. On paper, "+$0.19
By Michael Erickson Facchin · November 8, 2026 · Curated by George's Blog
Amazon just dropped the 2027 US FBA and Referral fee updates.
On paper, "+$0.19 per unit" sounds small. On a $15 product, it quietly changes your break-even ACOS.
Here are the 4 changes from Amazon's announcement that actually affect your margin and ad math in 2027:
1. FBA fulfillment fees go up an average of $0.19 per unit on January 15, 2027 (roughly 0.8% of average selling price), while the April 2026 fuel and logistics surcharge stays in place. If you sell under $20, re-check your contribution margin before locking 2027 target ACOS targets.
2. The Storage Utilization Surcharge is being eliminated on February 1, 2027. That is a genuine win if you stock up aggressively ahead of Prime Day or Q4 peaks and got tired of watching your utilization ratio trigger extra storage penalties.
3. The Low-Inventory-Level Fee is finally getting fixed on February 1, 2027. Right now, it looks at trailing 30-day and 90-day sales, which punishes you after a promo spike or at the end of a season. Starting February 1, it only triggers below 28 days of supply based on shipments in BOTH the 4 weeks before AND the 4 weeks after the assessment date.
4. The Aged Inventory Surcharge is merging into a single age-based monthly storage rate (flat or lower if your inventory turns in under 6 months, higher if it sits longer).
One stat buried in Sunny Jain's announcement letter that every PPC operator should write on a sticky note:
When Amazon's delivery promise improves from 4+ days to 2 days, conversion rate jumps by more than 20%. When it moves from 2 days to same-day hours, conversion jumps another 15%+.
That is why regional FBA stockouts quietly wreck your ad efficiency long before your national inventory hits zero.
You can check your exact SKU-by-SKU impact right now inside Seller Central under Profit Analytics -> Fee Change Comparison Dashboard.
Does the new 2027 fee math help your catalog (storage relief) or squeeze it (+$0.19/unit)?