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Amazon Fba Calculator (Grade A)Security-tested data-ai skill for Claude AI. Grade A. Amazon FBA Calculator - Complete fee breakdown and profit analysis

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

The Amazon FBA Calculator (Grade A) is a data-ai skill for Claude AI that provides a complete fee breakdown and profit analysis for Amazon FBA sellers. It features precise FBA fee calculation based on product dimensions and weight, including Size Tier Detection, FBA Fulfillment Fee, Monthly Storage Fee, Long-term Storage Fee, and Referral Fee by category. The calculator also offers profit analysis, providing gross/net margin and ROI optimization tips based on size, weight, and inventory. It supports size tiers for 2024, with automatic classification of products into small, standard, large, and oversize categories. The tool can be used through a Python script, and it is part of Nexscope AI's collection of AI tools for e-commerce sellers.

Key features

  • Size Tier Detection
  • FBA Fulfillment Fee calculation
  • Monthly Storage Fee calculation
  • Long-term Storage Fee calculation
  • Referral Fee calculation
  • Profit Analysis

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Product Listing Optimization

Use the Amazon FBA Calculator to determine the optimal size and weight for a product to minimize fees and maximize profit.

Inventory Management

Use the calculator to analyze the impact of inventory levels on storage fees and profit margins.

Pros & Cons

Pros

  • Precise FBA fee calculation based on product dimensions and weight
  • Automatic size tier detection
  • Provides optimization tips for size, weight, and inventory

Cons

  • Limited to Amazon FBA sellers
  • May require technical knowledge to use effectively

Reviews

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Q&A

Is the calculator usable for any Amazon seller or only for FBA?

It is designed specifically for Amazon FBA sellers; it does not calculate fees for FBM or other fulfillment methods.

Asked by Liam O’Connor · Dec 26, 2025

Do I need programming skills to use the Amazon FBA Calculator?

Yes, the tool runs via a Python script (e.g., `python3 scripts/calculator.py`) so you need basic Python execution capability; it’s not a web UI.

Asked by Ahmed Saleh · Nov 30, 2025

What fee components are included in the profit analysis?

The tool breaks down FBA fulfillment fees, monthly storage fees, long‑term storage fees, and Amazon referral fees by category, then calculates gross and net margins and ROI, offering optimization tips.

Asked by Quoc Bui · Nov 28, 2025

How does the calculator determine the correct Amazon size tier for my product?

It automatically classifies products into Small, Standard, Large, or Oversize tiers using the 2024 size tier thresholds for maximum weight and dimensions you provide (length, width, height, weight).

Asked by Yuki Kobayashi · Oct 15, 2025

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