FBA Calculator
The FBA calculator estimates your Amazon FBA fees, fulfillment costs, and net profit for any product you want to sell on Amazon. Enter your product price, category, dimensions, and cost of goods — the calculator shows your total FBA fees, referral fee, FBA fulfillment fee, and net profit margin in seconds. No signup required.
Whether you are researching a new product to sell on Amazon, comparing FBA vs FBM fulfillment options, or checking whether your current pricing is profitable, this FBA cost calculator gives you the exact numbers you need to make smart sourcing and pricing decisions. All fee data is updated for the 2026 Amazon fee schedule.
Also useful: our Markup Calculator helps you set profitable selling prices before you list on Amazon, and our ROI Calculator measures the return on your total Amazon FBA investment.
Amazon FBA Calculator
Calculate FBA fees, net profit & margin — verified 2026 Amazon fee rates.
Break-Even Selling Price
What's the minimum price to charge to make a profit on Amazon?
FBA vs FBM Comparison
Should you use Amazon fulfillment or ship it yourself?
What Is Amazon FBA? — Fulfillment by Amazon Explained
FBA stands for Fulfillment by Amazon. When you use FBA, you ship your inventory to Amazon’s fulfillment centers and Amazon handles storage, picking, packing, shipping, customer service, and returns on your behalf. In exchange, Amazon charges FBA fees — which this FBA fees calculator estimates for you before you commit to a product.
FBA is the most widely used fulfillment method for Amazon sellers because it makes products eligible for Amazon Prime two-day delivery, significantly improves Buy Box eligibility, and removes the operational burden of shipping individual orders. However, FBA fees — including referral fees, fulfillment fees, and storage fees — can substantially reduce your profit margin if not accounted for during the product research stage.
Understanding exactly how much Amazon FBA costs before you source a product is the difference between a profitable Amazon business and one that loses money at scale. Use this FBA calculator every time you evaluate a new product.
FBA vs FBM: FBA (Fulfillment by Amazon) means Amazon stores and ships your products. FBM (Fulfilled by Merchant) means you ship directly to customers yourself. FBA typically costs more in fees but boosts sales significantly through Prime eligibility and Buy Box advantage.
What Are FBA Fees? — Complete 2026 Fee Structure
Amazon FBA fees are not a single charge — they consist of several separate components, each calculated differently. Understanding every fee type is essential for accurate profit calculation using any FBA profit calculator. Here is the complete FBA fee structure for 2026:
| Fee Type | Amount | How It Is Calculated |
|---|---|---|
| Referral Fee | 6% – 45% | Percentage of total sale price — varies by category |
| FBA Fulfillment Fee | $3.06 – $150+ | Based on product size tier and weight |
| Monthly Storage Fee (Jan–Sep) | $0.87 / cu ft | Daily average cubic feet used |
| Monthly Storage Fee (Oct–Dec) | $2.40 / cu ft | Higher rate for Q4 peak season |
| Long-Term Storage Fee | $6.90 / cu ft or $0.15 / unit | Inventory stored 365+ days (whichever is greater) |
| Closing Fee | $1.80 per unit | Media items only (books, DVDs, games) |
| Returns Processing Fee | Equal to fulfillment fee | Categories with free customer returns |
| Removal / Disposal Fee | $0.97 – $13.05 per unit | When you remove inventory from Amazon |
| Labeling Fee | $0.55 per unit | If Amazon applies FNSKU labels for you |
1. Referral Fee
The referral fee is Amazon’s commission on every sale — it applies whether you use FBA or FBM. It is calculated as a percentage of the total sale price including shipping. Referral fees vary from 6% for personal computers to 45% for Amazon Device Accessories, with most product categories falling between 8% and 15%.
Referral Fee Formula
Referral Fee = Sale Price × Referral Fee %
Example: A $30 product in the Toys & Games category (15% referral fee) → $30 × 15% = $4.50 referral fee per unit sold.
2. FBA Fulfillment Fee
The FBA fulfillment fee covers the cost of picking, packing, and shipping your product from Amazon’s warehouse to the customer. It is a flat fee per unit, determined by your product’s size tier and shipping weight. Amazon classifies products into size tiers ranging from Small Standard to Special Oversize — the FBA fee calculator above applies the correct tier automatically based on your dimensions and weight.
For 2026, small standard-size products (under 1 lb) start at $3.06 per unit. Large standard products start at $4.75. Oversize items can reach $150 or more per unit — which is why accurately measuring your product’s packaged dimensions is critical before using any FBA cost calculator.
Important: Always use your product’s packaged dimensions — not the product dimensions — when calculating FBA fulfillment fees. The packaged weight and size determine your size tier and fee, not the bare product measurements.
3. FBA Storage Fees
Amazon charges monthly FBA storage fees for every cubic foot of space your inventory occupies in its fulfillment centers. Storage fees are calculated on the daily average volume and are significantly higher during Q4 (October through December) due to peak holiday season demand on warehouse space.
Monthly Storage Fee
Storage Fee = Daily Avg Cubic Feet × Monthly Rate
Long-term storage fees: Inventory stored for more than 365 days incurs additional long-term storage fees of $6.90 per cubic foot or $0.15 per unit — whichever is greater. Always monitor your inventory age in Seller Central and remove slow-moving stock before it crosses the 365-day threshold.
4. Other FBA Fees
- Closing fee: $1.80 per media item sold (books, music, DVDs, software, video games, video game consoles, and video game accessories)
- Returns processing fee: Charged for products in categories with free customer returns — typically equal to the standard fulfillment fee for that product
- Removal or disposal fee: $0.97–$13.05 per unit, charged when you request Amazon to return inventory to you or dispose of it on your behalf
- Labeling fee: $0.55 per unit if you opt to have Amazon apply FNSKU barcode labels to your products instead of labeling them yourself before shipping
How to Use This FBA Calculator
Our FBA fees calculator is designed to give you a complete profit picture for any Amazon product in seconds. Follow these five steps to get accurate results:
How to Calculate FBA Fees — Step by Step
While our FBA calculator does all the math instantly, understanding the manual calculation process helps you make better product decisions. Here is how to calculate Amazon FBA fees from scratch:
Net Profit Formula
Net Profit = Sale Price − COGS − Referral Fee − Fulfillment Fee − Storage Fee
Let us walk through a complete FBA fees calculation example for a kitchen gadget priced at $29.99:
- Sale price: $29.99
- Product category: Kitchen (referral fee: 15%)
- Referral fee: $29.99 × 15% = $4.50
- Small standard (≤ 15oz) → FBA fulfillment fee: $3.17 ($3.06 base × 1.035 fuel surcharge)
- Monthly storage fee (estimated): $0.04
- Cost of goods (COGS): $7.50 (product + shipping to Amazon)
- Net profit: $29.99 − $7.50 − $4.50 − $3.17 − $0.04 = $14.78
- Profit margin: $14.78 ÷ $29.99 = 49.3%
This is a healthy margin for an FBA product. As a general rule, any product with a net margin below 20% after all FBA fees carries significant risk — a small fee increase or price drop can quickly turn a profitable product into a loss.
Tip: Use this FBA fees calculator before you place any sourcing order. Running the numbers after you have already bought inventory is too late to course-correct on pricing or product selection.
FBA Profit Calculator — Understanding Your Amazon Profit Margin
Profit margin is the single most important number for any Amazon FBA seller. Many new sellers focus on gross revenue and overlook how much of each sale goes to Amazon in fees. The FBA profit calculator above shows your true margin after every fee is deducted.
Profit Margin Formula
Profit Margin % = (Net Profit ÷ Sale Price) × 100
Here are the profit margin benchmarks that experienced Amazon FBA sellers use to evaluate products:
- Below 15% net margin — Too risky: leaves almost no buffer for fee increases, price drops, returns, or ad spend
- 15% to 25% net margin — Acceptable: workable but vulnerable; needs careful cost management
- 25% to 35% net margin — Good: solid margin with reasonable buffer for unexpected costs
- 35% and above — Excellent: strong product with meaningful pricing power and room for advertising
Profit margin percentage alone does not tell the full story. A product with a 40% margin generating $3 net profit per unit is far less valuable than a product with a 28% margin generating $12 net profit per unit. Always look at both margin percentage and absolute profit per unit when evaluating Amazon FBA products.
Common mistakes that destroy FBA profit margins — and how to avoid them:
- Forgetting the referral fee: The most commonly overlooked cost for new FBA sellers. Always include it in your FBA fees calculator from the start.
- Using product weight instead of packaged weight: Your FBA fulfillment fee is based on packaged weight and dimensions — not the bare product. Even a slightly heavier package can push you into a higher size tier.
- Ignoring storage fees: For slow-moving products, monthly storage fees accumulate quickly. A product sitting in Amazon’s warehouse for six months at $0.87/cubic foot adds up significantly.
- Not accounting for returns: Categories like clothing and electronics have high return rates. Even a 10% return rate materially impacts your effective FBA cost per unit sold.
- Missing Amazon’s annual fee updates: Amazon adjusts FBA fees every year, typically in January. Always re-run your FBA calculator at the start of each year to verify products are still profitable.
FBA vs FBM — Which Fulfillment Method Is Better?
Choosing between FBA and FBM is one of the most consequential decisions for any Amazon seller. The right choice depends on your product size, sales velocity, margins, and operational capabilities. Use the FBA vs FBM comparison below to decide which model fits your product.
| Factor | FBA | FBM |
|---|---|---|
| Prime eligibility | Automatic — all FBA products are Prime eligible | Only via Seller-Fulfilled Prime (strict requirements) |
| Fulfillment cost | Amazon charges FBA fulfillment fees per unit | You pay your own shipping costs per order |
| Storage cost | Monthly FBA storage fees per cubic foot | Your own warehouse or 3PL storage costs |
| Customer service | Amazon handles all CS and returns | You handle customer service and returns yourself |
| Buy Box advantage | Strong — FBA sellers win Buy Box more often | Weaker — harder to win Buy Box without Prime |
| Best for | Small, lightweight, fast-moving products | Heavy, bulky, or slow-moving products |
| Inventory control | Limited — Amazon controls your stock location | Full control over your own inventory |
| Scalability | Highly scalable — no warehouse needed | Requires infrastructure investment to scale |
When FBA Is the Better Choice
FBA works best for small, lightweight products that sell quickly. The Prime badge and Buy Box advantage that FBA provides typically increase conversion rates by 20-30% compared to equivalent FBM listings — often more than offsetting the higher fulfillment fees. FBA is especially valuable in competitive categories where the majority of listings are already FBA, making Prime eligibility a practical necessity.
When FBM Is the Better Choice
FBM makes more sense for large, heavy, or oversize products where FBA fulfillment fees are disproportionately high relative to the sale price. Slow-moving inventory that would sit in Amazon’s warehouses for months also benefits from FBM, avoiding the accumulating storage fees that can turn a marginally profitable product into a loss. Sellers with their own efficient fulfillment operation and competitive shipping rates can often match FBA’s customer experience at lower total cost.
FBA Storage Fees — How to Calculate and Minimize Them
FBA storage fees are one of the most frequently underestimated costs in Amazon FBA. They are charged monthly based on the daily average cubic feet your inventory occupies in Amazon’s fulfillment centers. For most sellers, storage fees are a relatively small line item — but for sellers with slow-moving inventory or large products, they can become a significant drag on profitability.
| Time Period | Product Size | Rate per Cubic Foot / Month |
|---|---|---|
| January – September | Standard size | $0.87 |
| January – September | Oversize | $0.56 |
| October – December | Standard size | $2.40 |
| October – December | Oversize | $1.40 |
| Long-term (365+ days) | Standard or Oversize | $6.90 per cu ft or $0.15 per unit (whichever is greater) |
Five practical ways to minimize FBA storage fees:
- Send smaller, more frequent shipments to Amazon rather than large bulk shipments. This reduces your average inventory level and the cubic feet you are paying to store.
- Monitor your Inventory Performance Index (IPI) score in Seller Central. A score below 400 can result in Amazon limiting your storage capacity — forcing you to pay removal fees or leave inventory at the merchant.
- Set up automated removal orders for inventory that has been in Amazon’s warehouses for 300+ days. This avoids the steep long-term storage fees that kick in at 365 days.
- Use FBM as a backup channel for slow-moving products. If a product is not selling fast enough to justify FBA storage fees, switch it to FBM and fulfill from your own location until demand picks up.
- Plan inventory levels carefully around Q4. October through December storage rates are nearly 3x the standard rate. Avoid sending excess inventory to Amazon in September — only send what you expect to sell in Q4.
FBA Referral Fee by Category — 2026 Rates
The referral fee is the largest FBA fee for most product categories — and it is non-negotiable. Amazon charges it on every sale regardless of fulfillment method. Here are the referral fee rates for the most common Amazon product categories in 2026:
| Product Category | Referral Fee % | Minimum Referral Fee |
|---|---|---|
| Amazon Device Accessories | 45% | $0.30 |
| Clothing & Accessories | 17% | $0.30 |
| Toys & Games | 15% | $0.30 |
| Beauty & Personal Care | 15% or 8%* | $0.30 |
| Health & Household | 15% or 8%* | $0.30 |
| Home & Kitchen | 15% | $0.30 |
| Sports & Outdoors | 15% | $0.30 |
| Tools & Home Improvement | 15% or 12% | $0.30 |
| Baby Products | 15% or 8%* | $0.30 |
| Office Products | 15% | $0.30 |
| Pet Supplies | 15% or 8%* | $0.30 |
| Electronics | 8% | $0.30 |
| Camera & Photo | 8% | $0.30 |
| Cell Phones & Accessories | 8% | $0.30 |
| Computers | 6% | $0.30 |
| Video Games | 15% | $0.30 |
| Automotive | 12% | $0.30 |
*Tiered rate: lower percentage applies to the portion of the sale price above a certain threshold. Always verify the current referral fee for your specific category in Amazon Seller Central — rates are updated annually.
Note: Always verify referral fees in Amazon Seller Central before making final pricing decisions. Amazon updates its fee schedule annually, typically in January. The rates above reflect the 2026 fee schedule but are subject to change.
Amazon FBA Profit Margin — What Is a Good Margin in 2026?
What constitutes a good profit margin in Amazon FBA depends on your product category, competition level, and business model. However, experienced FBA sellers widely agree on the following benchmarks for evaluating product viability using an FBA profit calculator:
- Below 15% net margin — Do not proceed: insufficient buffer for fee changes, returns, and advertising costs
- 15% to 25% net margin — Borderline: viable only with very low advertising costs and stable competition
- 25% to 35% net margin — Target range: sustainable margin that survives most market fluctuations
- 35%+ net margin — Excellent: strong product with room for aggressive advertising and price flexibility
Beyond margin percentage, also calculate your absolute net profit per unit. Here is a quick benchmark: a product generating less than $3 net profit per unit is generally not worth selling on FBA — the operational risk (returns, damaged inventory, fee increases) rarely justifies the thin absolute margin. Aim for a minimum of $5-8 net profit per unit for a viable FBA product.
One calculation new sellers frequently miss is the impact of Amazon advertising (PPC) on FBA profit margins. Many products require Amazon Sponsored Products ads to generate sales, especially in competitive categories. If your product requires $2 in ad spend per unit sold, that $2 must be subtracted from your net profit figure. Always model your FBA profit margin with realistic ad costs included — not just the fees this FBA calculator shows.
5 Tips to Maximize Your Amazon FBA Profit
- Source competitively. The single biggest lever you control in FBA profitability is your cost of goods. Get quotes from multiple suppliers, negotiate on MOQ, and revisit your supplier relationship every 6-12 months. Even a 10% reduction in COGS directly improves your net margin.
- Optimize your packaging dimensions. Minor reductions in package length, width, or height can move your product into a lower FBA size tier, saving $1-3 per unit in fulfillment fees. At 500 units per month, $2 saved per unit is $1,000 in monthly profit improvement — without changing your selling price.
- Price above your FBA break-even point with a meaningful buffer. Use the FBA cost calculator to find your exact break-even price, then set your minimum floor price at break-even plus 20%. Never price below break-even to compete on price.
- Monitor and maintain your IPI score. Amazon’s Inventory Performance Index affects your storage capacity limits. Keeping your IPI above 400 ensures you have adequate storage space for your inventory during peak selling periods.
- Re-run this FBA fees calculator quarterly. Amazon updates fee schedules annually and occasionally mid-year. A product that was profitable at 30% margin can drop below 20% after a fee increase. Set a quarterly reminder to re-run every active product through the FBA calculator to verify ongoing profitability.
Frequently Asked Questions
What is an FBA calculator?
An FBA calculator estimates your Amazon FBA fees and net profit for any product you plan to sell on Amazon. It calculates the referral fee, FBA fulfillment fee, monthly storage fee, and net profit margin based on your sale price, product category, dimensions, weight, and cost of goods. Use an FBA fees calculator before sourcing any product to verify that it is profitable after all Amazon fees are deducted.
How do I calculate Amazon FBA fees?
FBA fees consist of three main components: referral fee + fulfillment fee + storage fee. Referral fee = sale price × category percentage (6-15% for most categories). Fulfillment fee = flat fee based on size tier and weight (starts at $3.06 for small standard items under 1 lb). Storage fee = cubic feet × monthly rate ($0.87/cu ft Jan-Sep, $2.40/cu ft Oct-Dec). Use the FBA calculator above to get the exact fee breakdown for any product instantly.
What percentage does Amazon FBA take?
Amazon does not charge a single FBA percentage — fees have multiple components. The referral fee is 6-15% of the sale price for most categories. The FBA fulfillment fee is a flat per-unit fee ($3.06-$150+ depending on size). Together, Amazon FBA fees typically total 25-40% of the sale price for most standard-size products. Use the FBA fees calculator above to find the exact percentage for your specific product.
What is a good profit margin for Amazon FBA?
A good Amazon FBA profit margin is 25-35% or higher after all fees. Products with net margins below 15% are generally too risky for FBA — a small fee increase or return rate spike can quickly make them unprofitable. Use the FBA profit calculator above to calculate your exact margin before committing to any product.
What is the difference between FBA and FBM?
FBA (Fulfillment by Amazon): You ship inventory to Amazon’s warehouses. Amazon stores, packs, ships, and handles customer service and returns. Products are Prime eligible. You pay FBA fees per unit sold. FBM (Fulfilled by Merchant): You ship directly to customers from your own location. No FBA fees, but no automatic Prime badge. You handle all shipping, customer service, and returns yourself. FBA is better for small, fast-moving products. FBM is better for large, heavy, or slow-moving products.
How much do Amazon FBA fees cost per month?
Amazon FBA has no fixed monthly fee — you pay per unit sold and per cubic foot of storage used. A typical small, lightweight FBA product might incur $3.50-$5.00 in total fulfillment and referral fees per unit sold, plus approximately $0.05-$0.20 per unit per month in storage fees depending on product size and inventory level. Use the FBA cost calculator above to get an exact estimate for your specific product.
What are FBA storage fees?
FBA storage fees are monthly charges based on the daily average cubic feet your inventory occupies in Amazon’s fulfillment centers. Standard-size rates: $0.87 per cubic foot (January-September) and $2.40 per cubic foot (October-December). Oversize rates: $0.56/cu ft (Jan-Sep) and $1.40/cu ft (Oct-Dec). Inventory stored more than 365 days also incurs long-term storage fees of $6.90 per cubic foot or $0.15 per unit, whichever is greater.
What is the FBA referral fee?
The FBA referral fee is Amazon’s commission on every sale — charged regardless of whether you use FBA or FBM. It is a percentage of the total sale price including shipping, and it varies by product category. Most categories charge 8-15%, with some specialty categories higher. Electronics: 8%. Toys & Games: 15%. Clothing: 17%. Amazon Device Accessories: 45%. The FBA calculator above applies the correct referral fee for your selected category automatically.
How do I calculate Amazon FBA profit?
Net Profit = Sale Price − Cost of Goods − Referral Fee − FBA Fulfillment Fee − Storage Fee. Example: $29.99 sale price − $7.50 COGS − $4.50 referral fee (15%) − $3.22 fulfillment fee − $0.15 storage = $14.62 net profit (48.7% margin). Use the FBA profit calculator above to run these calculations instantly for any product.
Is Amazon FBA still profitable in 2026?
Yes — Amazon FBA remains profitable for sellers who select the right products and price correctly. The key is using an FBA calculator to verify a minimum 25-30% net margin before sourcing any product. FBA profitability has become more competitive over the years as more sellers enter the marketplace, but products in underserved niches with strong demand and manageable competition can still generate excellent returns through FBA in 2026.
What is the FBA fulfillment fee?
The FBA fulfillment fee is a per-unit charge that covers picking, packing, and shipping your product from Amazon’s warehouse to the customer. It is based on your product’s size tier and weight. For 2026: small standard size (under 1 lb) starts at $3.06. Large standard (1-3 lbs) starts at $4.75. Small oversize starts at $9.61. The fee increases with product size and weight — large and heavy products can pay $50-$150+ per unit in FBA fulfillment fees alone.
What is the Amazon FBA revenue calculator?
Amazon’s FBA Revenue Calculator is a free tool available in Amazon Seller Central that estimates fees and profit for any Amazon product by ASIN. Our FBA calculator works on the same principles — enter your price, category, dimensions, weight, and COGS, and it instantly calculates your referral fee, FBA fulfillment fee, storage fee estimate, and net profit margin. Use it before evaluating any new product to sell on Amazon.
How does FBA vs FBM affect profitability?
FBA typically has higher total fees than FBM because you pay Amazon’s fulfillment fee on top of the referral fee. However, FBA products consistently achieve higher conversion rates and sales velocity due to Prime eligibility and Buy Box advantage — often generating more total profit despite higher per-unit fees. FBM is more profitable per unit for heavy, bulky, or slow-moving products where FBA storage and fulfillment fees would be disproportionately high.