Amazon FBA Calculator - Complete Guide

Calculate Amazon FBA fees, profits, and ROI. Understand fulfillment costs before selling on Amazon.

Amazon FBA Calculator Guide

Calculate your Amazon FBA fees and potential profits before listing products.

How to Use

Step 1: Product Information

Enter product details:

  • Product category
  • Selling price
  • Product cost
  • Product dimensions
  • Product weight

Step 2: FBA Fees

The calculator estimates:

  • Referral fee
  • FBA fulfillment fee
  • Monthly storage fee
  • Variable closing fee (if applicable)

Step 3: Profit Analysis

View your:

  • Total fees
  • Net profit per unit
  • Profit margin
  • ROI percentage

FBA Fee Components

Referral Fee

  • Percentage of selling price
  • Varies by category (6-45%)
  • Most categories: 15%

FBA Fulfillment Fee

Based on:

  • Package size tier
  • Package weight
  • Standard vs. oversized

Monthly Storage Fee

  • Per cubic foot
  • Higher during Oct-Dec
  • Long-term storage fees for >365 days

Other Fees

  • Variable closing fee (media items)
  • Labeling fee (if Amazon labels)
  • Prep service fees

Cost Optimization Tips

Reduce Fulfillment Fees

  • Optimize packaging size
  • Use lightweight materials
  • Consider product dimensions

Reduce Storage Fees

  • Manage inventory levels
  • Avoid Q4 overstocking
  • Remove slow-moving inventory

Improve Margins

  • Negotiate better supplier costs
  • Increase selling price if possible
  • Bundle products strategically