Units Sold Per Month (units) Enter the number of units you expect to sell each month (e.g., 500)

Selling Price Per Unit (USD) Enter the price you charge customers for each unit (e.g., 25.00)

Cost of Goods Sold Per Unit (USD) Enter your cost to produce or purchase one unit (e.g., 8.00)

Amazon Referral Fee Percentage (%) Enter the Amazon commission rate for your category (e.g., 15 for 15%)

FBA Fulfillment Fee Per Unit (USD) Enter the Amazon fulfillment fee per unit shipped (e.g., 4.00)

Monthly Storage Fees (USD) Enter your total monthly Amazon warehouse storage fees (e.g., 100.00)

Advertising Cost Per Unit (USD) Enter your average advertising spend per unit sold (e.g., 3.00)

Quick Examples:

Small Private-Label Product High Volume Low Margin

Calculate Clear

This calculator is for educational purposes only. It is not intended to provide financial advice. Consult a financial advisor for personalized guidance.

What Is Net Profit

Net Profit is the money left over after you subtract all costs from your total sales. For Amazon FBA sellers, this means taking your gross revenue and removing product costs, Amazon fees, fulfillment charges, storage fees, and advertising expenses. Net Profit shows you how much money you actually make from selling on Amazon each month. It is the most important number for understanding if your business is truly profitable.

How Net Profit Is Calculated

Formula

The calculator starts by finding your total sales revenue. Then it calculates how much Amazon charges you per unit for referral fees. Next, it adds up all your costs per unit including the product cost, Amazon fees, and advertising. It multiplies that by how many units you sell to get total variable costs. Finally, it subtracts all costs from your revenue to show your profit. The profit margin shows what percentage of each sale becomes profit.

Why Net Profit Matters

Knowing your net profit helps you understand if your Amazon business is actually making money. Many sellers focus only on sales numbers and forget about all the fees that reduce their earnings. This calculation shows the real picture of your business health.

Why Net Profit Is Important for Amazon Sellers

Sellers who do not track their true profit may lose money without realizing it. High sales numbers can hide the fact that fees and costs are eating up all the revenue. Without understanding your net profit, you may continue selling products that actually cost you money each month. This can lead to cash flow problems and an unsustainable business over time.

For New Product Research

When considering a new product to sell, this calculation helps you estimate if it will be profitable. You can enter expected costs and sales to see what profit margin you might achieve. This may help you compare different product opportunities before investing money in inventory.

For Optimizing Existing Products

For products you already sell, this calculation can show where your money goes. You may discover that advertising costs or Amazon fees are higher than expected. This information may help you find ways to reduce costs or adjust your pricing to improve your profit margin.

Net Profit vs Gross Revenue

Gross Revenue shows your total sales before any costs are removed. Net Profit shows what remains after all fees and expenses. Many sellers confuse these numbers and think their business is doing better than it really is. Understanding both numbers helps you see the complete picture of your Amazon business performance.

Example Calculation

Sarah sells a kitchen gadget on Amazon. She sells 500 units per month at $25 each. Her product costs $8 per unit to manufacture. Amazon charges a 15% referral fee, a $4 FBA fulfillment fee per unit, and $100 in monthly storage fees. She also spends about $3 per unit on advertising.

First, the calculator finds her gross revenue: 500 units times $25 equals $12,500. The referral fee per unit is $25 times 15%, which is $3.75. Her total variable cost per unit adds up to $18.75 ($8 COGS + $3.75 referral fee + $4 FBA fee + $3 advertising). Total variable costs are 500 times $18.75, which equals $9,375. Adding the $100 storage fee brings total costs to $9,475.

Net Profit: $3,025.00 | Profit Margin: 24.20%

Sarah's business makes about $3,025 in profit each month. Her profit margin of 24.20% means that for every dollar of sales, she keeps about 24 cents as profit. This is considered a healthy margin for an Amazon FBA business. She may consider ways to reduce costs or increase sales volume to grow her profits further.

Frequently Asked Questions

Who is this Amazon FBA Revenue Calculator for?

This calculator is designed for Amazon FBA sellers at any experience level. It works well for sellers researching new products, analyzing existing product performance, or planning their business finances. Both new and experienced sellers may find it helpful for understanding their profit potential.

What is a good profit margin for Amazon FBA?

Most successful Amazon FBA sellers aim for profit margins between 15% and 30%. Margins below 10% may be difficult to sustain after accounting for unexpected costs. However, the right margin depends on your product category, sales volume, and business goals. Higher volume products may work well with lower margins.

Does this calculator account for all Amazon fees?

This calculator includes the most common Amazon FBA fees: referral fees, FBA fulfillment fees, monthly storage fees, and advertising costs. It does not include returns processing fees, long-term storage fees, or closing fees for media products. You may want to add extra costs for a more complete picture.

How often should I recalculate my profit?

It is a good idea to calculate your profit monthly to track your business performance. You may also want to recalculate whenever you change your pricing, advertising budget, or product costs. Regular calculations help you spot trends and make informed decisions about your business.

Can I use this calculator for products with variable costs?

This calculator works best when you enter average values for your costs. If your costs vary, you may want to run several calculations with different scenarios. For example, you could calculate profit using both your lowest and highest cost estimates to see the range of possible outcomes.