Calculate seller fees
Start with the platform fee stack: marketplace fee, payment processing, ads, shipping, returns, and fixed order costs.
Seller calculators hubFee · payout · profit · break-even
Marketplace Seller Fee Calculators
Calculate seller fees first, then turn margin-safe SKUs into product pages, SEO metadata, FAQs, AI-citable paragraphs, ads, and emails. This is the center of the SKU to Sales workflow.
Decide if the SKU deserves content work
If the break-even price and target margin still work, the SKU is worth improving. If not, change price, channel, bundle, or sourcing.
Generate the listing assets
Use the One SKU generator to create product-page copy, SEO metadata, FAQs, AI-citable paragraphs, ads, emails, and HTML or Markdown exports.
Seller fee decisions to solve first
Use the calculator that matches the risk in the listing.
Seller searches cluster around the same operating questions: what fee base is used, what payout is left, and what price floor is still safe before writing or exporting a listing.
eBay fee base and lowest safe offer
Use this when buyer-paid shipping, actual label cost, promoted listings, COGS, and accepted offers can erase margin.
Amazon FBA inbound placement and low-price SKU margin
Use this when referral fee, fulfillment, inbound placement, monthly storage, and low-price SKU risk all need to fit one margin model.
Etsy variation price floor and tariff/DDP worksheet
Use this when one average price hides variation-specific shipping, material cost, Offsite Ads, or tariff assumptions.
Whatnot payout per sale and live-drop break-even
Use this when low-ticket live sales, bundles, giveaways, or auction discounts need a fast payout check.
Calculator cluster
Choose the fee calculator that matches the seller decision.
Core
Product Pricing Calculator
Set a SKU price floor before choosing a marketplace.
GSC seed query: product pricing calculator / product pricing tool
CoreSKU Content Cost Calculator
Estimate creative workload, content cost per SKU, and which listing workflow to automate first.
Validation tool for Shopify, POD, and small ecommerce seller interviews.
P0eBay Fee Calculator
Estimate final value fee base, shipping label mismatch, promoted listing cost, payout, profit, and lowest safe offer.
Best fit: accepted offers, resale pricing, promoted listings, and fee-base disputes.
WatchWhatnot Fee Calculator
Estimate commission, processing, payout, live-selling profit, and break-even sale price.
Best fit: payout per sale, small-ticket live drops, auctions, and bundle discount checks.
FocusFacebook Marketplace Fee Calculator
Estimate local pickup or shipped checkout fees, payout, profit, and break-even sale price.
GSC seed query: facebook marketplace fee calculator
SupportEtsy Fee Calculator
Estimate listing fee, transaction fee, Offsite Ads, variation price floor, tariff/DDP assumptions, and margin.
Best fit: variation listings, handmade cost worksheets, Offsite Ads, and template export checks.
SupportShopify Fee Calculator
Estimate payment fees, third-party transaction fees, app cost, and storefront profit.
GSC seed query: shopify fees calculator
P1Amazon FBA Fee Calculator
Estimate referral fees, fulfillment, inbound placement, storage, and SKU margin.
Best fit: inbound placement, storage, fulfillment, low-price SKU risk, and landed margin screening.
SupportTikTok Shop Fee & Profit Calculator
Estimate referral fees, affiliate commission, campaign cost, payout, and break-even price.
Validated keyword candidate, still waiting for stronger GSC signals.
SupportGrailed Fee Calculator
Estimate seller fee, processing, payout, profit, and accepted-offer floor.
Low-competition calculator candidate.
Direct comparison
Marketplace fee calculator comparison table
Use this table to choose the right calculator before you price a product, accept an offer, run a promotion, or rewrite a listing.
| Marketplace | Calculator | Fees modeled | Best use |
|---|---|---|---|
| eBay | eBay fees calculator | Final value fee, per-order fee, promoted listing rate, shipping charged to buyer. | Resale, collectibles, parts, used goods, and offer-floor decisions. |
| Etsy | Etsy fee calculator 2026 | Listing fee, transaction fee, payment processing, Offsite Ads, renewals. | Handmade, vintage, personalized, printable, giftable, and craft products. |
| Whatnot | Whatnot Fee Calculator 2026 | Commission, payment processing on order value, live-selling discounts, shipping treatment. | Live auctions, collectible drops, community sales, and fast inventory tests. |
| Facebook Marketplace | Facebook Marketplace fee calculator | Local pickup fee scenario, shipped checkout selling fee, shipping label cost, tax-inclusive fee base. | Local resale, shipped Marketplace listings, furniture, household goods, and offer-floor decisions. |
| Amazon FBA | Amazon FBA fee calculator | Referral fee, FBA fulfillment, inbound placement, storage, returns, inventory risk. | Catalog demand capture, replenishable products, and sellers managing inventory economics. |
| TikTok Shop | TikTok Shop fee calculator | Referral fee, affiliate commission, campaign discounts, fulfillment, refunds. | Creator-driven sales, impulse products, social commerce, and campaign testing. |
| Shopify | Shopify fee calculator | Payment processing, third-party transaction fee, apps, plan cost, chargebacks. | Owned storefronts, brand control, email/SMS lists, and repeat customer economics. |
| General pricing | Product Pricing Calculator for Marketplace Sellers | COGS, packaging, shipping, marketplace fee reserve, ad allowance, return reserve. | Choosing a price floor before committing to any channel. |
Calculator selection
Which marketplace fee calculator should I use?
Use the Product Pricing Calculator for Marketplace Sellers when
you do not yet know your price floor, target margin, break-even price, or whether the SKU can survive marketplace fees at all.
Use the eBay fees calculator when
you are accepting offers, testing promoted listings, comparing category final value fees, or deciding the lowest profitable resale price.
Use the Etsy fee calculator 2026 when
you need to include listing fees, renewals, transaction fees, payment processing, shipping charged to buyers, and Offsite Ads.
Use the Whatnot Fee Calculator 2026 when
you are planning a live sale, auction discount, low-price drop, or payout check where processing is based on total order value.
Use the Facebook Marketplace fee calculator when
you need to separate local pickup math from shipped checkout fees, label cost, tax-inclusive fee base, boosts, and offer-floor decisions.
Profit checklist
Seller fees to include before you trust the profit number
- Payment processing base: item price alone is not enough when shipping, taxes, or total order value are included.
- Promotion and ad reserve: promoted listings, affiliates, campaign discounts, and paid traffic can erase margin.
- Fulfillment and packaging: shipping labels, boxes, inserts, storage, inbound placement, and return handling need a per-unit estimate.
- Channel-specific exceptions: Offsite Ads, FBA storage, low-price minimums, international processing, and category tiers can change the answer.
Why this hub exists
Fee calculator traffic needs a natural next step.
Sellers who search for fee calculators usually want a fast answer: payout, profit, margin, and break-even price. A hard product pitch is too early at that moment.
SKU to Sales uses calculators as the entry point, then offers the next useful job: convert a profitable SKU into a clearer product page, search metadata, buyer FAQs, ads, and emails.
If the seller already knows the SKU can sell, the SKU content cost calculator gives a different entry point: quantify repeated creative work, then turn the highest-cost SKU into a reusable content pack.
Next step after math
Turn a profitable SKU into a listing content pack.
Paste product facts, existing copy, supplier notes, or a URL into the One SKU Content Pack Generator. Export Markdown or HTML for your storefront workflow.
FAQ
Marketplace Seller Fee Calculator FAQ
Which marketplace fee calculator should I use?
Start with product pricing if the price floor is unknown. Move to eBay, Etsy, Whatnot, Shopify, Amazon FBA, TikTok Shop, or Grailed once the sales channel is clear.
Should I compare fee percentage only?
No. Compare payout after processing, shipping, packaging, ads, discounts, refunds, storage, and channel-specific exceptions.
What happens after the calculator?
If the SKU can still hit target margin, use the listing workflow to improve titles, descriptions, FAQs, proof, ads, and email snippets.