Amazon FBA Profit & Fee Calculator
Estimate net profit, margins, and get a GO/NO-GO decision based on COGS, fulfillment fees, and target ROI using the latest Amazon 2026 fee schedule.
FBA Product Specs
$
We automatically sort your dimensions to determine size tier. Just enter length, width, and height in any order.
Profit Inputs
15%
GO – Target Achieved
Net Profit / Unit
$14.72· 49.1% margin
Sale price$29.99
— Referral fee (15%)-$4.50
— FBA fulfillment-$4.27
— COGS-$6.00
— Inbound shipping-$0.50
— PPC-$0.00
Net profit$14.72
Margin49.1%
Break-even Price$15.27
Target Price (15%)$17.96
Fee Breakdown
FBA fee schedule: 2026-01 · Last verified 2025-10-24
Referral Fee (15%)$4.50
Fulfillment (FBA) Fee$4.27
Total Amazon Fees-$8.77
Understanding Amazon Size Tiers
Amazon determines FBA fees based on the Size Tier of your product. Even a small weight difference or a fraction of an inch can push you into a higher fee category.
Small Standard-Size
- • Weight: ≤ 1 lb
- • Longest Side: ≤ 15 in
- • Median Side: ≤ 12 in
- • Shortest Side: ≤ 0.75 in
Large Standard-Size
- • Weight: ≤ 20 lb
- • Longest Side: ≤ 18 in
- • Median Side: ≤ 14 in
- • Shortest Side: ≤ 8 in
Our calculator automatically identifies the tier and applies the correct base rate plus any overweight surcharges ($0.38 per lb over 2lb for Large Standard).