Profit Margin Calculator — Amazon 💰

Calculate product profitability for Amazon FBA sellers — cost breakdowns, profit margins, break-even analysis, and pricing recommendations. No API key required.

Installation

npx skills add nexscope-ai/eCommerce-Skills --skill profit-margin-calculator-amazon -g

Use Cases

Scenario	What You'll Get
New product evaluation	Profitability forecast before sourcing
Existing product diagnosis	Margin analysis with cost breakdown
Pricing adjustment	Recommended prices for target margins
Batch SKU analysis	Multi-product comparison table

Usage Examples

Single Product Analysis

Calculate profit for my Amazon product:
- Selling price: $29.99
- Product cost: $6
- Shipping to FBA: $1.50
- FBA fulfillment fee: $5.50
- FBA storage: $0.30/month
- Ad spend: 10% of sales
- Category: Kitchen

Quick Analysis

Is this product profitable?
Price $19.99, cost $5, FBA fee $4.50, shipping $1

Batch Analysis

Analyze these SKUs:
A001, Yoga Mat, $29.99, cost $6, shipping $1.5, FBA $5.5
A002, Resistance Bands, $19.99, cost $3, shipping $0.8, FBA $4
A003, Foam Roller, $24.99, cost $8, shipping $2, FBA $6

Input Parameters

Required

Parameter	Description	Example
`selling_price`	Amazon listing price	$29.99
`product_cost`	FOB/sourcing cost per unit	$6.00
`fba_fee`	FBA fulfillment fee	$5.50

Parameter	Description	Default
`shipping_cost`	Inbound shipping per unit	$0
`storage_fee`	Monthly FBA storage per unit	$0.30
`ad_ratio`	PPC spend as % of sales	10%
`category`	Product category for referral fee	default (15%)

Optional

Parameter	Description	Default
`return_rate`	Expected return rate	3%
`other_fees`	Packaging, labels, etc.	$0

Cost Components

Cost Item	Description	Calculation
Product Cost	FOB purchase price	User input
Inbound Shipping	Sea/air freight to FBA	User input
FBA Fulfillment	Amazon pick, pack, ship	User input
FBA Storage	Monthly warehouse fee	User input
Referral Fee	Amazon commission (8-20%)	Auto × category rate
Advertising	PPC spend	Price × ad ratio
Returns	Return processing loss	Return rate × handling
Other Fees	Packaging, labels, prep	User input

Referral Fee Rates by Category

Category	Rate
Electronics / Computers	8%
Camera / Photo	8%
Automotive / Industrial	12%
Most Categories (default)	15%
Clothing / Apparel	17%
Jewelry	20%

Output Format

Cost Breakdown

Selling Price         $29.99   100.0%
───────────────────────────────────────
Product Cost          -$6.00    20.0%
Inbound Shipping      -$1.50     5.0%
FBA Fulfillment       -$5.50    18.3%
FBA Storage           -$0.30     1.0%
Referral Fee (15%)    -$4.50    15.0%
Advertising (10%)     -$3.00    10.0%
Returns (3%)          -$0.15     0.5%
Other Fees            -$0.50     1.7%
───────────────────────────────────────
Total Cost            $21.45    71.5%
Net Profit            $8.54     28.5%

Break-Even Analysis

Break-even Price:     $20.50
Current Margin:       +46.3% above break-even
Safety Margin:        31.6%

Pricing Recommendations

| Target Margin | Recommended Price | Profit/Unit |
|---------------|-------------------|-------------|
| 15%           | $23.10            | $3.47       |
| 20%           | $25.20            | $5.04       |
| 25%           | $27.72            | $6.93       |
| 30%           | $30.80            | $9.24       |

Profitability Status

Net Margin	Status	Recommendation
>20%	✅ Healthy	Maintain current strategy
5-20%	⚠️ Warning	Optimize costs or raise price
0-5%	🔴 Danger	Needs adjustment
<0%	💀 Loss	Stop or restructure

Batch Input Format

CSV

sku,name,selling_price,product_cost,shipping_cost,fba_fee,storage_fee,ad_ratio,category
A001,Yoga Mat,29.99,6,1.5,5.5,0.3,0.1,sports
A002,Resistance Bands,19.99,3,0.8,4,0.2,0.12,sports
A003,Foam Roller,24.99,8,2,6,0.3,0.1,sports

Natural Language

Batch calculate:
SKU A001: Yoga Mat, $29.99, cost $6, shipping $1.5, FBA $5.5
SKU A002: Bands, $19.99, cost $3, shipping $0.8, FBA $4

Script Usage

# Default demo
python3 scripts/calculator.py

# Custom input
python3 scripts/calculator.py '{"selling_price": 29.99, "product_cost": 6, "fba_fee": 5.5}'

# Batch analysis
python3 scripts/calculator.py '[{"sku": "A001", ...}, {"sku": "A002", ...}]'

Handling Incomplete Input

If user doesn't provide enough info, ask:

To calculate your profit margin, I need:

**Required:**
- Selling price
- Product cost (FOB)
- FBA fulfillment fee

**Recommended (more accurate):**
- Inbound shipping cost per unit
- FBA storage fee per unit/month
- Ad spend ratio (% of sales)
- Product category (for referral fee)

Example:
"Price $25, cost $5, FBA $4.50, shipping $1, ads 10%, category: kitchen"

Integration with Other Skills

Looking for more e-commerce tools? Check out our other skill collections:

Amazon Skills — Specialized tools for Amazon sellers: keyword research, listing optimization, PPC campaigns
eCommerce Skills — Cross-platform tools for all e-commerce businesses

Limitations

This skill calculates margins based on user-provided costs. For real-time FBA fee lookups, exact category rates, and advanced analytics, check out Nexscope.

Part of Nexscope AI — AI tools for e-commerce sellers.