Amazon Referral Fee Calculator

Estimate Amazon referral fees by category, add FBA fulfilment and storage costs, and calculate net proceeds and margin per unit.

📦 Ecommerce📐 Net = price − referral fee − fulfilment − storage − COGS💼 Business

Category (typical referral rate)

Selling price

Custom referral rate (%)

FBA fulfilment fee per unit

Monthly storage cost per unit

Cost of goods per unit

Advertising cost per unit sold

Please enter valid values.

Formula & Reference

Variable	Symbol	Formula	Units
Amazon Referral Fee Calculator	—	Net = price − referral fee − fulfilment − storage − COGS	currency per unit

Step-by-Step Examples

Example 1

Standard Category

Price 39.99, 15% referral, FBA 5.68, storage 0.42, COGS 11.50, ads 4.20.

Referral = 39.99 × 15% = 6.00
Total Amazon fees = 6.00 + 5.68 + 0.42 = 12.10 (30.3% of price)
Net after fees = 27.89
Profit = 27.89 − 11.50 − 4.20 = 12.19 = 30.5%
Breakeven price = 21.80 / 0.85 = 25.65

✓ 12.19 per unit — 30.5% margin

Example 2

Low-Fee Category

Price 249, 8% electronics referral, FBA 9.20, storage 1.10, COGS 130, ads 18.

Referral = 19.92
Total fees = 30.22 (12.1% of price)
Profit = 249 − 30.22 − 130 − 18 = 70.78 = 28.4%

✓ 70.78 per unit — 28.4% margin

Example 3

Thin Margin

Price 14.99, 15% referral, FBA 4.75, storage 0.35, COGS 6, ads 2.50.

Referral = 2.25
Total fees = 7.35 — 49% of the selling price
Profit = 14.99 − 7.35 − 6 − 2.50 = −0.86
Low-price items are disproportionately hit by fixed fulfilment fees

✓ −0.86 — loses money

Real-World Applications

💰

Low-Price Trap

Fixed fulfilment fees consume a far larger share of low-priced items, which is why sub-15 products often cannot work on FBA.

📊

Category Variance

Referral rates range from 6% to 17% or more depending on category, materially changing product viability.

📢

Advertising Reality

Sponsored placement is effectively necessary in competitive categories, so ad cost per unit belongs in any honest margin calculation.

🎯

Breakeven Pricing

Knowing the breakeven price prevents launching products that cannot clear costs at market price points.

Common Mistakes to Avoid

⚠️

Omitting advertising from unit economics

In competitive categories, advertising is a cost of doing business rather than optional. Excluding it produces margins that never materialise.

⚠️

Using outdated fee schedules

Amazon revises referral and fulfilment fees periodically. The rates here are typical, not authoritative — verify against current schedules.

⚠️

Forgetting long-term storage and removal fees

Slow-moving inventory incurs additional storage surcharges and removal fees that do not appear in a basic per-unit calculation.

Frequently Asked Questions

What is the Amazon referral fee? ▾

A commission on each sale, typically 15% in most categories but ranging from around 6% to 17% depending on the product category.

Are FBA fees included in the referral fee? ▾

No. Fulfilment and storage are charged separately from the referral fee, and payment processing is included within the referral fee.

Why do cheap products struggle on FBA? ▾

Because fulfilment fees are largely fixed per unit. A 5 fulfilment fee is a third of a 15 product but a fiftieth of a 250 one.

Should advertising be included in margin? ▾

In competitive categories, yes. Organic visibility alone is rarely sufficient, so advertising functions as a variable cost per unit sold.

Are these fee rates current? ▾

They are typical rates for illustration. Amazon revises fee schedules periodically and rates vary by category, so verify against the current official schedule.