Our free Amazon FBA profit calculator helps you calculate accurate profit margins by including all fees and costs. Follow this step-by-step guide to get the most accurate results.

Step 1: Select Marketplace

Choose your Amazon marketplace (USA, UK, Canada, Germany, India, or UAE). Fees vary by marketplace, so this is important for accuracy.

Step 2: Enter Product Details

• Product Name: Enter a descriptive name (optional, for your reference)
• Category: Select your product category - this auto-fills the referral fee percentage
• Selling Price: Enter your planned selling price
• Cost Price: Enter your product cost per unit

Step 3: Enter Product Specifications

• Weight: Enter product weight (lbs or kg)
• Dimensions: Enter length, width, height (inches or cm)
• Product Type: Select Standard or Oversize

Tip: Accurate dimensions are crucial for correct FBA fee calculation. Amazon uses these to determine size tier.

Step 4: Enter Costs

• Shipping Cost: Total shipping cost to Amazon (one-time)
• Packaging Cost: Cost per unit for packaging
• Labeling Cost: Cost per unit for labeling
• Photography Cost: One-time photography cost
• Other Costs: Any additional costs per unit

Step 5: Enter Advertising Costs

Choose between:

• ACOS: Enter your target ACOS percentage
• Per Unit: Enter advertising cost per unit sold

Step 6: Enter Inventory Details

• Quantity: Number of units
• Storage Months: Expected months in Amazon warehouse
• Return Rate: Expected return percentage (typically 2-5%)

Step 7: Review Results

The calculator will show:

• Gross Revenue
• Total Costs (all fees + costs)
• Net Profit
• Profit Margin %
• ROI %
• Break-Even Units
• Detailed Fee Breakdown
• Visual Charts

Tips for Accurate Calculations

• Use actual product dimensions and weight
• Include all costs (don't forget packaging and labeling)
• Account for returns (typically 3-5% for most products)
• Consider seasonal storage fee increases (Oct-Dec)
• Use realistic advertising costs