📦 Amazon FBA
⭐ Focus on this page
$16.13
net profit per order
Gross margin38.4%Break-even ROAS2.60xMax CAC$16.13Actual ROAS—Platform fee$9.87Fee rate23.5%
Referral 15% of price + shipping charged + FBA fee $3.57 (small-standard default)
Amazon FBA Profit Calculator
See what you keep on Amazon FBA after referral, fulfillment, shipping and ads.
Free · No login · Calculations run in your browser · Fees checked 29 Oct 2026
1️⃣ Enter your numbers2️⃣ Compare platforms3️⃣ Level up your profit
Future display ad slot — empty until launch.
🧮 Calculate your profit
📦 Why Amazon FBA is different
Amazon fee = referral fee + FBA fee you enter. Referral is on price + shipping charged (excluding tax), not price alone. Default referral 15%; default FBA $3.57 (small-standard). Holiday peak adds ~$0.21.
Benchmark, guidance only: roughly 25–35% net margin.
🏆 Results — profit per order, before monthly plan costs
Live Estimate · Best: Shopify $24.48 per order · $2448.00/month at 100 orders
✅ Profitable — Shopify leads at 58.3% gross margin. Max CAC $24.48 per order.
Where the winner's revenue goes:
Where $42.00 goes on Shopify: Product cost $16.00 · Platform fee $1.52 · Net profit $24.48
⭐ Amazon FBA is first below because this is the Amazon FBA page — 🏆 still marks the highest profit overall, judged across all three platforms.
🎮 Profit Score — Amazon FBA
38 / 100
💪 Healthy level — based on 38.4% gross margin on Amazon FBA.
Level up tip (approx, before fee change): raise your price by about $0.67 on Amazon FBA to reach a 40% margin.
Focus platform for this page — highest overall is Shopify at $24.48 per order.
🛍️ Shopify
🏆 Highest profit$24.48
net profit per order
Gross margin58.3%Break-even ROAS1.72xMax CAC$24.48Actual ROAS—Platform fee$1.52Fee rate3.6%
2.9% via Shopify Payments (Basic) + $0.30 — before monthly plan cost
🎨 Etsy
$21.56
net profit per order
Gross margin51.3%Break-even ROAS1.95xMax CAC$21.56Actual ROAS—Platform fee$4.44Fee rate10.6%
$0.20 + 6.5% + 3% + $0.25 — before Offsite Ads
📊 Profit comparison — net profit per order
Bars are scaled to the highest profit. 🏆 still marks the highest profit overall.
🛍️ Your numbers work best on Shopify
Start selling on Shopify →
Affiliate link: Shopify pays up to $150 per qualified referral in the US, Canada, Australia, UK and much of Europe, once the merchant reaches a full-price paid plan.
Start selling on Shopify →
Affiliate link: Shopify pays up to $150 per qualified referral in the US, Canada, Australia, UK and much of Europe, once the merchant reaches a full-price paid plan.
AFFILIATE PLACEHOLDER — not a live link yet
Your ROAS is below break-even for the winning platform. When Alice has a Semrush affiliate account, this will link there as the fix-ads next step. Earlier research: $200 per sale + $10 per trial.
Your ROAS is below break-even for the winning platform. When Alice has a Semrush affiliate account, this will link there as the fix-ads next step. Earlier research: $200 per sale + $10 per trial.
🚀 Next step
Pick one to keep going.
📅 Monthly projection, target price & break-even price
At 100 orders per month, net profit per month (after ad spend, before monthly plan costs) is:
| Platform | Monthly net | 40% price | Break-even price |
|---|---|---|---|
| 🛍️ Shopify | $2,448.00 | $28.55 | $16.79 |
| 🎨 Etsy | $2,156.00 | $32.57 | $18.18 |
| 📦 Amazon FBA | $1,613.00 | $43.49 | $23.02 |
Monthly net = net profit per order × orders per month. 40% price = price for 40% gross margin before ads (approximate, as higher price raises percentage fees). Break-even price = profit $0.
Future display ad slot — empty until launch.
📊 How it works
Follow the money, step by step:
1💰 Revenue — Price + shipping charged
2➖ Product cost
3➖ Shipping cost
4➖ Platform fee
5➖ Ad spend
6✅ Net profit
Then check your ads:
1Net profit + ad spend = Gross profit
2Gross profit ÷ Revenue = Margin %
31 ÷ Margin % = Break-even ROAS
Max CAC = Gross profit. If ad spend per order is higher than Max CAC, you lose money on that order — even if ROAS looks high.
Example — one $42.00 Amazon FBA sale, visual split:
🟧 Cost $16.00 (38.1%) 🟦 Fee $9.87 (23.5%) 🟩 Profit $16.13 (38.4%) — Total $42.00
ROAS rule, visual: ❌ Below break-even (e.g. 2.60x for this Amazon example) = losing money on ads | ✅ Above break-even = profitable ads.
Show full fee table and formulas (for detail lovers)
- Net profit = price + shipping charged − product cost − shipping cost − platform fee − ad spend. Gross profit before ads = net profit + ad spend. Margin % = gross profit ÷ revenue. Break-even ROAS = 1 ÷ margin %. Actual ROAS = revenue ÷ ad spend, when ad spend > 0.
- Shopify Payments (Basic): 2.9% × (price + shipping charged) + $0.30. Monthly plans $39/$105/$399 and the 2% third-party gateway fee are not in per-order profit.
- Etsy: $0.20 + 6.5% + 3% + $0.25 = 9.5% × (price + shipping charged) + $0.45, before Offsite Ads (15% under $10k/365 days, 12% at $10k+, capped $100, excluded from v1).
- Amazon FBA: referral 15% in most categories (8% electronics, 17% clothing above $20, 20% jewelry, 45% device accessories) × (price + shipping charged, excluding tax) + manual FBA fee. Default $3.57 = $3.45 + $0.12 surcharge (3.5%, since 17 Apr 2026). Peak 15 Oct 2026–14 Jan 2027 ~$0.21. Storage/inbound/aged-inventory surcharges excluded.
- Locked test case: $34.99 / $14.50, no shipping/ads → Shopify $19.18, Etsy $16.72, Amazon $11.67 (peak $11.46). Fees checked 29 Oct 2026.
❓ Frequently asked questions
Tap a question to see the answer.
🧮 What is a seller profit calculator?
A seller profit calculator shows what you actually keep after product cost, shipping, platform fees and ad spend — not just your selling price.
📈 What is break-even ROAS?
Break-even ROAS is 1 ÷ your gross margin %. At 40% margin, break-even ROAS is 2.5x. Below that, you are losing money on ads even if ROAS looks positive.
🎯 What is Max CAC?
Max CAC is the most you can spend to get one order — on ads — before you lose money. It equals your gross profit before ads. Example: if gross profit is $19.18, spending $10 per order leaves $9.18, spending $19.18 breaks even, and spending $20 loses $0.82 on that order.
💰 What is Actual ROAS?
Actual ROAS is your actual revenue divided by your actual ad spend, per order. 10.00x means $10 of sales revenue for every $1 of ad spend — for example $3.50 ad spend and $35.00 revenue. It is revenue, not profit, so always compare it with Break-even ROAS: above break-even is profitable, below break-even loses money even if the number looks high.
🎨 How are Etsy fees calculated?
In this calculator: $0.20 listing + 6.5% transaction + 3% + $0.25 payment processing, before Offsite Ads.
📦 How are Amazon FBA fees calculated?
Referral fee (15% in most categories; 8% electronics, 17% clothing above $20, 20% jewelry, 45% device accessories, on price + shipping charged, excluding tax) plus a manual FBA fee, default $3.57 for a small-standard item including the 3.5% surcharge. FBA fees vary by size, weight and price band, which is why v1 asks you to enter your fee.
🔑 Do I need an account to use this calculator?
No. It is free, with no login and no signup, and all calculations run in your browser.
📦 Why do I have to enter my FBA fee?
Fulfillment varies by size, weight and price band, so a single default would mislead most sellers. $3.57 is only the small-standard default — replace it with your own rate if you know it.
🚫 What is excluded?
Storage, inbound placement and aged-inventory surcharges are excluded from v1, and the calculator says so.
🎄 What does the peak uplift change?
It adds ~$0.21 per unit (small-standard) for 15 Oct 2026 – 14 Jan 2027. In the worked example it takes profit from $16.13 to $15.92.
📋 Worked example — Amazon FBA
Try these numbers in the calculator above: selling price $42.00, product cost $16.00, no shipping, no ad spend, FBA fee $3.57, referral 15%.
Amazon fee = 15% × $42.00 + $3.57 = $6.30 + $3.57 = $9.87. Net profit = $16.13. Gross margin = 38.4%, break-even ROAS = 2.60x, Max CAC = $16.13. With the holiday peak box checked, the FBA fee becomes $3.78 and profit falls to $15.92.
Shipping example: $25 item + $5 shipping charged at 15% gives a referral fee of 15% × $30.00 = $4.50, not $3.75.
❓ Amazon FBA questions
Why do I have to enter my FBA fee? Fulfillment varies by size, weight and price band, so a single default would mislead most sellers. $3.57 is only the small-standard default — replace it with your own rate if you know it.
What is excluded? Storage, inbound placement and aged-inventory surcharges are excluded from v1, and the calculator says so.
What does the peak uplift change? It adds ~$0.21 per unit (small-standard) for 15 Oct 2026 – 14 Jan 2027. In the example above it takes profit from $16.13 to $15.92.
📖 Methodology, in short
Net profit = price + shipping charged − product cost − shipping cost − platform fee − ad spend. Gross margin % = gross profit before ads ÷ revenue. Break-even ROAS = 1 ÷ gross margin %. Max CAC = gross profit before ads. Amazon referral is on price + shipping charged (excluding tax), updated 28 Oct 2026. Full fee table, diagram and launch checklist are on the home page: Methodology. Fees are web-search findings from 27–28 Oct 2026, not official-page checks — re-check against official Shopify, Etsy and Amazon pages and date-stamp before launch.
🔗 Also try
🏠 Seller Profit Calculator (home) · 🎨 Etsy profit calculator 🛍️ Shopify profit calculator 📦 Amazon FBA profit calculator（本页） 📈 Break-even ROAS calculator · 📖 Methodology