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 |
Recommended
| 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.
