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Amazon Sales Estimator

  • 693 installs
  • 480 repo stars
  • Updated July 23, 2026
  • nexscope-ai/amazon-skills

amazon-sales-estimator is a Nexscope agent skill that estimates Amazon monthly unit sales and revenue from BSR, ASIN, or keyword inputs for developers who need to size FBA niches and benchmark competitors without Amazon

About

amazon-sales-estimator is a Nexscope agent skill that estimates Amazon product monthly unit sales and revenue across three analysis modes—BSR Calculator, ASIN Lookup, and Keyword Market Analysis—without requiring an Amazon API key. Developers install it via `npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -g` and invoke it inside Claude Code, Cursor, Windsurf, or Codex workflows. Mode A converts Best Seller Rank, marketplace, price, and category into monthly units and revenue using category-specific multipliers across 12 marketplaces (US, UK, DE, FR, IT, ES, JP, CA, AU, IN, MX, BR). Mode B fetches live product pages by ASIN or URL; Mode C aggregates keyword SERP data for market sizing, price-band distribution, and top-seller breakdowns. Reach for amazon-sales-estimator when building ecommerce research agents, validating FBA launch scope, or benchmarking competitor ASINs before listing or PPC work.

  • Amazon demand sizing
  • ASIN revenue estimates
  • Niche comparison
  • FBA validation

Amazon Sales Estimator by the numbers

  • 693 all-time installs (skills.sh)
  • +98 installs in the week ending Jul 26, 2026 (Skillselion tracking)
  • Ranked #109 of 853 Sales & Marketing skills by installs in the Skillselion catalog
  • Data as of Aug 3, 2026 (Skillselion catalog sync)
npx skills add https://github.com/nexscope-ai/amazon-skills --skill amazon-sales-estimator

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Listed on Skillselion
Installs693
repo stars480
Last updatedJuly 23, 2026
Repositorynexscope-ai/amazon-skills

How do you estimate Amazon monthly sales from BSR?

Estimate Amazon product sales and revenue potential to size niches, compare ASINs, and decide whether an FBA or brand launch is worth pursuing.

Who is it for?

Developers building Amazon FBA research agents who need BSR-to-sales estimates without SP-API credentials.

Skip if: Teams needing verified Seller Central sales history or historical BSR trend databases instead of public-page estimates.

When should I use this skill?

User provides BSR, ASIN, Amazon URL, or product keyword and asks for monthly sales, revenue, or niche market size.

What you get

Monthly unit estimates, revenue projections, keyword market-size reports, and competitor price-band breakdowns

  • Monthly unit and revenue estimates
  • Keyword market-size report
  • Competitor price-band breakdown

By the numbers

  • Three analysis modes: BSR Calculator, ASIN Lookup, Keyword Market Analysis
  • Supports 12 Amazon marketplaces without an API key
  • Includes 6 category multipliers and 7 BSR-range tiers in its reference table

Files

SKILL.mdMarkdownGitHub ↗

Amazon Sales Estimator 📊

Estimate monthly sales from BSR, analyze market size, and benchmark competitor performance. No API key — works out of the box.

Installation

npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -g

Three Modes

ModeWhen to UseInputOutput
A — BSR CalculatorQuick estimate from known BSRBSR + Marketplace + Price + CategoryMonthly units, monthly revenue
B — ASIN LookupEstimate sales for a specific productASIN or product URLAuto-fetch data + sales estimate
C — Keyword Market AnalysisSize a niche opportunityKeyword (+ optional marketplace)Total market sales, top sellers, price distribution

Capabilities

  • BSR-to-sales conversion: Estimate monthly unit sales from Best Seller Rank using category-specific formulas
  • Revenue calculation: Monthly sales × price = estimated monthly revenue
  • Market sizing: Aggregate sales across products in a keyword search
  • Price band analysis: Distribution of sales across price ranges
  • Competition breakdown: Top sellers vs long-tail distribution
  • Multi-marketplace: US, UK, DE, FR, IT, ES, JP, CA, AU, IN, MX, BR

Handling Incomplete Input

If the user's intent is unclear or information is missing, guide them with all options and required inputs upfront:

User says: "Help me estimate Amazon sales" or "I want to check sales"

Agent should respond:

I can help you estimate Amazon sales in 3 ways. Pick one and provide the required info:

>

A. BSR Calculator — Quick estimate from BSR number
- BSR (required): e.g., 1500
- Category (required): e.g., Home & Kitchen
- Price (required): e.g., $24.99
- Marketplace (optional, default US)

>

B. ASIN Lookup — Check sales for a specific product
- ASIN or URL (required): e.g., B09V3KXJPB
- Marketplace (optional, default US)

>

C. Market Analysis — Size a keyword/niche opportunity
- Keyword (required): e.g., "yoga mat"
- Marketplace (optional, default US)
- Filters (optional): price range, min reviews

>

Example: "Mode A: BSR 1500, Home & Kitchen, $24.99" or "Mode B: B09V3KXJPB"

---

Mode A — BSR Calculator

Input

FieldRequiredDescriptionExample
BSRBest Seller Rank number1500
MarketplaceAmazon siteUS, UK, DE, JP...
List PriceProduct price$24.99
CategoryProduct categoryHome & Kitchen

Usage Examples

Estimate sales for BSR 1500 in Home & Kitchen on Amazon US, price $24.99
BSR 500, category Electronics, marketplace DE, price €39.99
What's the monthly sales for a product ranked #10,000 in Sports & Outdoors at $15.99?

Workflow

1. Receive input: BSR, Category, Price, Marketplace 2. Look up base sales: Use BSR-to-sales reference table for the marketplace 3. Apply category multiplier: Adjust based on category (Electronics 1.2x, Clothing 0.8x, etc.) 4. Calculate monthly units: Base sales × category multiplier 5. Calculate revenue: Monthly units × price 6. Output results: Monthly units, daily units, monthly revenue

Output

# 📊 Sales Estimate

**Input:**
- BSR: #1,500 in Home & Kitchen
- Marketplace: Amazon US
- Price: $24.99

**Results:**

| Metric | Estimate |
|--------|----------|
| **Est. Monthly Units** | ~450 units |
| **Est. Monthly Revenue** | ~$11,246 |
| **Est. Daily Units** | ~15 units |

*Estimate based on BSR-to-sales conversion formula for the selected category and marketplace.*

---

Mode B — ASIN Lookup

Input

FieldRequiredDescriptionExample
ASINAmazon product ID or URLB09V3KXJPB
MarketplaceOptionalDefaults to USUK, DE, JP...

Usage Examples

Estimate monthly sales for ASIN B09V3KXJPB
How many units does this sell? https://www.amazon.com/dp/B0D72TSM62
Get sales estimate for B0CPY1GFVZ on Amazon DE

Workflow

1. Fetch product data using web_fetch on Amazon product page 2. Extract: Title, Price, BSR, Category, Rating, Reviews 3. Apply BSR-to-sales formula for the category and marketplace 4. Calculate revenue: Monthly units × Price

Output

# 📊 Sales Estimate: B09V3KXJPB

## Product Info
- **Title:** [Product Title]
- **Price:** $24.99
- **BSR:** #1,500 in Home & Kitchen
- **Rating:** 4.5★ (1,234 reviews)

## Sales Estimate

| Metric | Estimate |
|--------|----------|
| **Est. Monthly Units** | ~450 units |
| **Est. Monthly Revenue** | ~$11,246 |
| **Est. Daily Units** | ~15 units |

## Competitive Context
- Ranks in **top 0.5%** of Home & Kitchen category
- Above average for $20-30 price range

---

Mode C — Keyword Market Analysis

Input

FieldRequiredDescriptionExample
KeywordSearch termyoga mat
MarketplaceOptionalAmazon site (default: US)UK, DE, JP...
FiltersOptionalPrice range, min reviews$15-$40, 100+ reviews

Usage Examples

Analyze the market size for "yoga mat" on Amazon US
What's the total monthly sales for "portable blender" keyword?
Size the "dog shirt" market on Amazon US. Show top sellers and price distribution.

Workflow

1. Search products using web_search for site:amazon.com "{keyword}" 2. Fetch top 10-20 product pages to get BSR data 3. Estimate sales for each product using Mode A formula 4. Aggregate total market size 5. Analyze price distribution and competition

Output

# 📊 Market Analysis: "yoga mat"

**Marketplace:** Amazon US | **Products Analyzed:** 25

## Market Size

| Metric | Value |
|--------|-------|
| **Est. Total Monthly Units** | ~85,000 units |
| **Est. Total Monthly Revenue** | ~$2.1M |
| **Average Price** | $24.50 |

## Top 5 Sellers

| # | ASIN | Price | BSR | Est. Units/Mo |
|---|------|-------|-----|---------------|
| 1 | B0XX... | $22.99 | #45 | ~8,500 |
| 2 | B0YY... | $29.99 | #78 | ~6,200 |
| 3 | B0ZZ... | $18.99 | #120 | ~4,800 |
| ... | ... | ... | ... | ... |

## Market Concentration

- **Top 3:** 23% of total sales
- **Top 10:** 52% of total sales
- **Long tail:** 48% of total sales

→ **Fragmented market** — opportunity for new entrants

## Price Distribution

| Price Band | % of Sales |
|------------|------------|
| $0 - $20 | 25% |
| $20 - $35 | 55% |
| $35+ | 20% |

**Sweet spot:** $20-$35

---

BSR-to-Sales Reference

Amazon US — Baseline (Home & Kitchen)

BSR RangeEst. Monthly Sales
1-1003,000 - 10,000+
100-5001,000 - 3,000
500-2,000300 - 1,000
2,000-10,000100 - 300
10,000-50,00030 - 100
50,000-100,00010 - 30
100,000+< 10

Category Multipliers

CategoryMultiplier
Electronics1.2x
Home & Kitchen1.0x
Toys1.1x
Sports & Outdoors0.9x
Clothing0.8x
Books0.7x

Marketplace Adjustments

MarketplaceFactor
US1.0x
JP0.6x
DE0.5x
UK0.4x
CA0.3x
Others0.2x

---

Integration with Other Skills

This skill works well when chained with other skills from the Nexscope Amazon-Skills and eCommerce-Skills repositories.

With amazon-keyword-research

npx skills add nexscope-ai/Amazon-Skills --skill amazon-keyword-research -g
Step 1: "Research keywords for yoga mat"
   → amazon-keyword-research returns keyword list with search volumes

Step 2: "Now analyze the market size for the top keyword"
   → amazon-sales-estimator Mode C sizes the opportunity

With amazon-listing-optimization

npx skills add nexscope-ai/Amazon-Skills --skill amazon-listing-optimization -g
Step 1: "Estimate sales for competitors: B0ABC, B0XYZ"
   → amazon-sales-estimator Mode B provides benchmark data

Step 2: "Create a listing to beat those competitors"
   → amazon-listing-optimization generates optimized copy

With amazon-ppc-campaign

npx skills add nexscope-ai/Amazon-Skills --skill amazon-ppc-campaign -g
Step 1: "Estimate my product's monthly sales"
   → amazon-sales-estimator provides revenue baseline

Step 2: "Build PPC campaigns with 30% ACoS target"
   → amazon-ppc-campaign calculates bids based on your revenue data

More Skills

Browse all available skills:

  • Amazon Skills: https://github.com/nexscope-ai/Amazon-Skills
  • eCommerce Skills: https://github.com/nexscope-ai/eCommerce-Skills

---

Limitations

This skill uses publicly available data from Amazon product pages. It cannot access historical BSR data, actual seller sales figures, or PPC conversion metrics. For deeper analytics and historical trends, check out [Nexscope](https://www.nexscope.ai/?co-from=skill) — Your AI Assistant for smarter E-commerce decisions.

---

Built by [Nexscope](https://www.nexscope.ai/?co-from=skill) — research, validate, and act on e-commerce opportunities with AI.

Related skills

How it compares

Prefer amazon-sales-estimator for quick agent-driven estimates from public Amazon pages rather than paid analytics dashboards with historical BSR databases.

FAQ

Does amazon-sales-estimator require an Amazon API key?

amazon-sales-estimator requires no API key. The skill uses publicly available Amazon product page data via agent web_fetch for ASIN Lookup and applies BSR-to-sales reference formulas for calculator and keyword modes across 12 marketplaces.

What inputs does amazon-sales-estimator BSR Calculator need?

amazon-sales-estimator Mode A requires Best Seller Rank, marketplace, list price, and product category. The skill outputs estimated monthly units, daily units, and monthly revenue using category multipliers from its built-in reference table.

How many Amazon marketplaces does amazon-sales-estimator support?

amazon-sales-estimator supports 12 Amazon marketplaces: US, UK, DE, FR, IT, ES, JP, CA, AU, IN, MX, and BR. Each marketplace applies a distinct adjustment factor to the baseline BSR-to-sales conversion formula.

Sales & Marketingecommercepricing

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