Amazon Revenue Calculator

Q: What is the difference between seller proceeds and net profit?

Seller proceeds is your price minus Amazon's fees only (referral, closing, and fulfillment). It is roughly what Amazon deposits. Net profit takes proceeds and also removes your own costs: product cost, packaging, freight, ads, storage and overhead. Net profit is the money you actually keep.

Q: Are returns and refunds included?

Not automatically. Add a return allowance to Overhead / Other Costs . A simple way: multiply your sell price by your return rate. If your price is $30 and 5% come back, add about $1.50 per unit.

Every cell is editable — choose which snapshot feeds the projection panel.

Metric

Current

30-Day Average

Price

Sales Rank (BSR)

Estimated Monthly Sales

Introduction

The Amazon Revenue Calculator shows you what you really keep from each sale. You type in your price, product size, weight, and costs. It then works out Amazon's referral fee, FBA fee, and storage fee, plus your own costs like product cost, shipping, and ads. You see your net profit per unit, profit margin, ROI, and break-even price.

You can look up a product by ASIN or paste an Amazon link, or just enter the numbers yourself. Pick your marketplace and the tool switches to the right currency and fee rates. It also compares FBA and FBM side by side, so you can see which way of shipping makes more money.

Want to plan ahead? Enter your monthly sales guess and the calculator projects monthly and yearly revenue and profit, plus revenue and profit per seller. Charts show where every dollar of a sale goes and how your profit changes if you raise or lower your price. A step-by-step section shows the math behind each result, so you can check the work and trust the answer before you buy stock.

How to use our Amazon Revenue Calculator

Enter your product details, your sell price, and your costs. The calculator shows your Amazon fees, seller proceeds, net profit per unit, profit margin, ROI, break-even price, and a monthly and yearly revenue projection.

Amazon Marketplace: Pick the Amazon store you sell in. This sets the currency, the fee rates, and the default units.

ASIN or Amazon Product URL: Type a 10-character ASIN or paste a product link, then click Look Up Product to fill the fields for you. No ASIN? Just type the details by hand. Click Clear to start fresh.

Price (Current and 30-Day Average): Enter the price the item sells for now and its average price over the last 30 days.

Sales Rank (BSR): Enter the current best seller rank and the 30-day average rank. This is a reference number that shows how well the item sells.

Estimated Monthly Sales: Enter how many units the listing sells each month, now and on average.

Use This Data buttons: Click one to send that column's price and sales numbers into the profit and projection panels.

Total # of Sellers: Enter how many sellers share this listing. The tool splits market revenue and profit by this number.

# of FBA Sellers: Enter how many of those sellers use FBA. This shows how much of the listing is FBA.

Fulfillment Mode: Choose FBA if Amazon ships for you, or FBM if you ship it yourself. Both are still compared side by side.

Storage Period: Pick Non-Q4 (January to September) or Q4 (October to December). Q4 storage costs more.

Product Category: Choose the category your item is listed in. This sets the Amazon referral fee rate.

Sell Price: Enter the price you plan to charge per unit. All fees and profit are based on this.

Package Dimensions (L × W × H): Enter the length, width, and height of the shipping box, then pick the unit. This sets your size tier and FBA fee.

Unit Weight: Enter how much one packed unit weighs and pick the unit. Weight also drives the FBA fee.

Cost of Goods (COGS): Enter what you pay your supplier for one unit.

Product Samples: Enter your sample cost spread over each unit.

Packaging & Labeling: Enter what boxes, bags, inserts, and labels cost per unit.

Shipping to Amazon: Enter your inbound freight cost per unit. This only counts in FBA.

Outbound Shipping: Enter what it costs you to ship one order to the buyer. This only counts in FBM.

Long-Term Storage Fee: Enter the fee per unit for stock held over 365 days. Leave it at 0 if it does not apply.

Overhead / Other Costs: Enter any other cost per unit, like software, returns, or prep help.

Advertising Input Mode: Choose Per unit to enter a flat ad cost, or TACOS % to enter ads as a percent of sales.

Ad Spend per Unit: Enter how much you spend on ads for each unit sold.

TACOS (%): Enter your total ad cost of sales as a percent. The tool turns it into a per-unit cost.

Apply to COGS (landed cost switch): Turn this on if you import your product and want duties, customs, and currency added to your cost.

Import Duties (%): Enter the duty rate charged on your cost of goods.

Customs / Brokerage: Enter customs and broker charges per unit.

Currency Conversion Rate: Enter the rate that turns your supplier price into your selling currency.

Estimated Monthly Sales (units): Enter the unit volume you want the revenue and profit projection to use.

Calculate, Reset, Pin Scenario, Clear Pin: Click Calculate to update the results, Reset to go back to the defaults, Pin Scenario to save a version to compare, and Clear Pin to remove it.

Amazon Seller Revenue and Profit: What You Need to Know

When you sell a product on Amazon, you do not keep the full price a shopper pays. Amazon takes fees out of every order, and you also pay for the product itself, shipping, and ads. Your real profit is what is left after all of that. This page explains the money pieces that decide if an Amazon product makes money or loses it.

The Fees Amazon Charges

Referral fee: Amazon's cut for making the sale. It is usually 8% to 17% of the sale price, based on the product category. Most categories are 15%. There is a small minimum fee per item.
Fulfillment fee (FBA): A flat charge per unit when Amazon picks, packs, and ships your order. It grows with the size and weight of the package.
Monthly storage fee: Charged per cubic foot for space your stock uses in Amazon's warehouse. Rates jump a lot in Q4 (October to December) because space is tight.
Long-term storage fee: An extra charge on units that sit in the warehouse over 365 days.
Closing fee: A fixed fee on media items like books, DVDs, and video games.

Size Tiers and Billable Weight

Amazon sorts every package into a size tier, such as Small Standard, Large Standard, Large Bulky, or Extra-Large. The tier plus the weight sets your FBA fee. Amazon does not always use the real weight. For bigger items it compares real weight to dimensional weight (length × width × height ÷ 139) and bills the larger one. So a light but bulky box can cost more to ship than a small heavy one. Measuring your box correctly is one of the easiest ways to avoid fee surprises.

FBA or FBM

FBA means Fulfillment by Amazon. You ship stock to Amazon, and Amazon stores and ships it. You pay fulfillment and storage fees, but you get Prime badges and faster delivery, which usually means more sales.

FBM means Fulfillment by Merchant. You store and ship orders yourself. You skip Amazon's fulfillment and storage fees, but you pay for boxes, labels, and postage. FBM often wins for large, heavy, slow-selling, or low-cost items. FBA often wins for small, light, fast-selling items.

Your Own Costs

Amazon fees are only half the story. You also need to count the cost of goods (COGS), samples, packaging and labels, shipping stock into Amazon, ads, and overhead. If you import goods, add import duties, customs or broker charges, and the currency rate you pay your supplier. All of that together is your landed cost per unit.

The Numbers That Matter

Seller proceeds: Sale price minus Amazon's fees. This is what Amazon pays out to you, before your own costs.
Net profit per unit: Proceeds minus every cost you pay. This is your true take-home per sale.
Profit margin: Net profit ÷ sale price. Many sellers aim for 15% to 30%.
ROI: Net profit ÷ total cost. It shows how hard your cash is working. Many sellers want 50% or more.
Break-even price: The lowest price you can charge and still not lose money. Know this number before you join a price war or run a sale.

Reading Sales and Competition

Best Sellers Rank (BSR) shows how fast a product sells in its category. A lower BSR means more sales. Sellers use BSR to guess monthly unit sales. Comparing today's price and BSR to the 30-day average tells you if the listing is on a temporary spike or a steady trend. The number of sellers matters too: total monthly sales split across many sellers means a much smaller slice for you. Watching how many of those sellers use FBA shows how tough the fight for the Buy Box will be.

Things That Change Your Result

Ad spend is often the biggest hidden cost. It can be tracked per unit or as TACOS (total ad spend as a percent of sales), and it pays to watch your conversion rate and click-through rate alongside it. Q4 storage rates, returns, and price drops from other sellers can all turn a thin profit into a loss. Fee amounts also differ by marketplace and currency, and sales tax or VAT rules change by country, so a product that works in the United States may not work in Germany, Japan, or Mexico. Check the numbers for each country you plan to sell in.

Formulas used

Referral Fee

F_{\text{ref}} = \max\left(P \times r_{\text{cat}},\ 0.30 \times f_{x}\right)

Dimensional and Billable Weight

W_{\text{dim}} = \frac{L \times W \times H}{139}, \qquad W_{\text{bill}} = \max\left(W_{\text{unit}},\ W_{\text{dim}}\right)

Monthly Storage Fee

F_{\text{storage}} = \frac{L \times W \times H}{1728} \times R_{\text{storage}} \times f_{x}

Seller Proceeds per Unit

\text{Proceeds} = P - F_{\text{ref}} - F_{\text{closing}} - F_{\text{fulfillment}}

Landed COGS per Unit

\text{COGS}_{\text{landed}} = \text{COGS} \times f_{\text{conv}} \times \left(1 + \frac{d}{100}\right) + C_{\text{customs}}

Total Cost Inputs per Unit

C_{\text{total}} = \text{COGS}_{\text{landed}} + C_{\text{samples}} + C_{\text{pack}} + C_{\text{inbound}} + \left(P \times \frac{\text{TACOS}}{100}\right) + C_{\text{overhead}} + F_{\text{storage}} + F_{\text{LTSF}}

Net Profit, Margin and ROI per Unit

\pi = \text{Proceeds} - C_{\text{total}}, \qquad \text{Margin} = \frac{\pi}{P} \times 100\%, \qquad \text{ROI} = \frac{\pi}{C_{\text{total}}} \times 100\%

Market Projection and Per-Seller Split

R_{\text{mo}} = P \times Q, \quad \Pi_{\text{mo}} = \pi \times Q, \quad \Pi_{\text{seller}} = \frac{\Pi_{\text{mo}}}{N_{\text{sellers}}}, \quad \Pi_{\text{yr}} = \Pi_{\text{mo}} \times 12

Frequently asked questions

What happens if my ASIN is not found?

You get a short message telling you that product is not in the offline catalog. Nothing breaks. Just fill in the fields by hand: sell price, package size, weight, category, and your costs. The math works the same way.

What is the difference between seller proceeds and net profit?

Seller proceeds is your price minus Amazon's fees only (referral, closing, and fulfillment). It is roughly what Amazon deposits.

Net profit takes proceeds and also removes your own costs: product cost, packaging, freight, ads, storage and overhead. Net profit is the money you actually keep.

Are returns and refunds included?

Not automatically. Add a return allowance to Overhead / Other Costs. A simple way: multiply your sell price by your return rate. If your price is $30 and 5% come back, add about $1.50 per unit.

Why does it say no break-even price exists?

That means percent-based costs eat every extra dollar. The referral fee plus your TACOS percent add up to 100% or more, so raising the price never fixes the loss. Lower your TACOS percent, switch ads to a flat per-unit amount, or check that you picked the right category.

Why did my FBA fee jump when I changed the box size by a little?

Amazon fees come in steps, not smooth curves. A tiny change can push your box into the next size tier or the next weight bracket. Trimming a box under a tier limit is one of the fastest ways to cut your fee.

Why is my real weight used instead of dimensional weight?

Small Standard items are always billed on real weight. For every other tier, the tool compares real weight with dimensional weight (L × W × H ÷ 139) and bills the bigger one. The result shows as billable weight in the Size Tier line.

Should I fill in both Shipping to Amazon and Outbound Shipping?

Yes, if you want a fair FBA versus FBM comparison. Shipping to Amazon only counts in FBA. Outbound Shipping only counts in FBM. Filling both lets the side-by-side table show which choice really pays more.

Why did all my money numbers change when I switched marketplace?

The tool converts your prices and costs into the new currency and switches fee rates and units. It is a conversion, not new market research. Check your real supplier cost and shipping for that country, then type them in.

How should I use Revenue Per Seller and Profit Per Seller?

They split the whole listing's sales across all sellers to show a rough share for you. It assumes an even split, which rarely happens. Buy Box winners take much more. Use it as a quick reality check on crowded listings, not a promise.

What margin and ROI should I look for?

Many sellers want at least 15% to 20% margin and 50% or more ROI before buying stock. Thin margins leave no room for price drops, returns or fee rises. If margin is under 10%, look closely before you commit cash.

Should I use Per Unit ads or TACOS %?

Use Per unit when you know your ad cost per sale. Use TACOS % when you budget ads as a share of sales. TACOS moves with price, so it also changes your break-even. Only one mode is applied at a time.

Why is my monthly storage fee only a few cents?

Storage is charged per cubic foot, and one small unit uses very little space. The fee here is for one unit for one month. Multiply it by your stock count to see the real warehouse bill, and switch to Q4 to see the peak rate.

What if my product fits two categories?

Pick the category your listing actually sits in, because that sets the referral fee. Try both and compare. Some categories use tiers, so a small price change can move you to a different rate.

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