Amazon FBA Profit Calculator
Calculate net profit, margin, and ROI with complete cost breakdown
1 Revenue
2 Product Costs (Per Unit)
3 Amazon Fees
4 Additional Costs (Monthly)
Net Profit / Unit
$0.00
Profit Margin
0%
ROI
0%
Monthly Net Profit
$0
Per Unit Breakdown
Monthly Summary
Profitability Rating
Enter your product details and click "Calculate Profit" to see profitability analysis.
When to Use This Calculator
Product Validation
Before investing in inventory, run the complete numbers. I've seen too many sellers get excited about a product only to realize they forgot about PPC costs or returns. This calculator forces you to think through every expense.
Pricing Decisions
Trying to figure out your minimum price? Work backwards from your target margin. If you need 20% profit and your costs are X, this tells you exactly what price you need. No more guessing or hoping the numbers work out.
PPC Budget Planning
How much can you actually spend on advertising? This calculator shows you exactly how PPC eats into your margins. If your profit disappears when you add realistic ad spend, you know the product won't work long-term.
Supplier Negotiation
Know exactly what product cost you need to hit your margin targets. When negotiating with suppliers, you can say "I need this at $X to make the numbers work" instead of just asking for their best price.
Scaling Analysis
As you scale, overhead costs per unit drop but PPC might increase. Model different scenarios to see how your margins change at 500 units vs 2000 units. This helps you decide which products deserve more investment.
Monthly Reporting
Track your actual vs projected profits. Input your real numbers each month to see if you're hitting targets. If margins are slipping, you'll spot it early and can adjust before it becomes a bigger problem.
Frequently Asked Questions
How do I calculate Amazon FBA profit?
Profit = Selling Price minus everything else. That means product cost, shipping to Amazon, all Amazon fees (referral, fulfillment, storage), PPC advertising, returns, and overhead. Most sellers forget advertising and overhead, which is why their "profit" never matches their bank account.
What's a good profit margin for FBA?
Aim for 20-25% after ALL costs including advertising. 15% is acceptable for high-volume products. Below 10% is dangerous - one competitor price drop or fee increase and you're losing money. The sellers who last long-term maintain 20%+ margins.
What costs do people usually forget?
PPC advertising is the big one - it can easily be 15-25% of revenue. Also: returns (3-10% depending on category), software subscriptions, prep/labeling fees, photography, and your own time. If you're not including these, your "profit" is a fantasy.
What ROI should I target?
Minimum 100% ROI - you want to at least double your money. Good sellers hit 150-200%. Below 50% means your capital is tied up for months with minimal return. Consider: that same money in an index fund would give you 10% annually with zero work.
How do Amazon fees affect margins?
Expect Amazon to take 30-40% of your selling price. Referral fees are 15% for most categories, fulfillment is $3-10+ depending on size, storage adds more. Before you even factor in product cost or advertising, Amazon already took a third.
Should I include PPC in profit calculation?
Absolutely. Unless you're in a zero-competition niche (rare), you'll need PPC to get visibility. Most products need 15-25% of revenue for advertising, especially during launch. Calculate profit WITH realistic ad spend, not without it.
How do returns affect profit?
Returns hurt twice: you lose the sale AND often can't resell the item as new. Factor in 3-5% for most categories, 10%+ for clothing/shoes. Each return costs you the product, the fees you already paid, and sometimes disposal costs.
Why is my actual profit lower than calculated?
Usually missing costs: PPC that ran higher than expected, returns you didn't account for, storage fees during slow months, software subscriptions, or overhead you forgot. Also check if Amazon fees increased - they adjust rates periodically.
No comments yet. Be the first to share your thoughts!