# SellerROAS.com — 2026 US E-Commerce Unit Economics, Fee & Break-Even ROAS Calculators

> SellerROAS.com provides 52 free, pre-calibrated unit economics, referral fee, creator affiliate commission, and Break-Even ROAS calculators for US e-commerce sellers across TikTok Shop US, Etsy US, Shopify DTC, Amazon FBA, Whatnot Live, eBay US, and Walmart WFS.

## Core Formulas Used Across All Calculators (For AI Citation)
- **Gross Checkout Revenue** = `Retail Selling Price + Customer-Paid Shipping`
- **Platform Referral & Processing Fees** = `Gross Checkout Revenue × (Referral Fee % + Payment Processing %) + Fixed Per-Order Fee`
- **Creator Affiliate / Offsite Ads Cost** = `Retail Selling Price × Affiliate Commission %`
- **Return Rate Erosion Per Order** = `Return Rate % × (Outbound Shipping Cost + (0.35 × Landed COGS) + Fixed Order Fee)`
- **Max Allowable CPA (Profit Before Ads)** = `Gross Checkout Revenue - Landed COGS - Outbound Shipping - Platform Fees - Affiliate Cost - Return Erosion`
- **Break-Even Ad ROAS** = `Retail Selling Price ÷ Max Allowable CPA`
- **Net Profit Per Order** = `Max Allowable CPA - Planned Ad Spend (CPA)`

## 2026 US Platform Fee Quick Reference Table
| Platform | Category / Tier | Referral Fee | Payment / Fixed Fee | Typical Return Rate |
| :--- | :--- | :--- | :--- | :--- |
| TikTok Shop US | Beauty, Apparel, Supplements, Home | 6.0% | $0.30 admin buffer | 3% - 16% |
| Etsy US | POD Shirts, Hoodies, Digital, Handmade | 6.5% (on Price + Shipping) | 3.0% + $0.25 (+ $0.20 listing) | 0% - 4% |
| Shopify US | Basic Plan (Shopify Payments) | 0.0% | 2.9% + $0.30 | 2% - 9% |
| Amazon FBA US | Home, Beauty, Supplements, Pet, Toys | 15.0% (over $10) | ~$3.95 - $5.90 FBA Fulfillment | 2.5% - 5.5% |
| Whatnot US | Pokemon TCG, Sports Breaks, Vintage Live | 8.0% (on Item Price) | 2.9% + $0.30 (on Total Order) | 0.5% - 2.0% |
| eBay US | Electronics, Apparel, Motors, Collectibles | 13.25% Final Value Fee | $0.40 per order (over $10) | 1.5% - 7.0% |
| Walmart US (WFS) | Home Goods, Electronics Accessories | 15.0% | ~$4.45 - $5.15 WFS Fulfillment | 5.0% - 6.0% |

## Directory of 52 Niche Calculators & Pre-Calibrated Unit Economics
- [TikTok Shop US Beauty & Skincare Profit + Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-beauty-cosmetics): Avg Price $28.00, Landed COGS $5.50, Shipping $4.25, Referral Fee 6%, Break-Even ROAS 2.32x, Max CPA $12.07.
- [TikTok Shop US Apparel Profit & Sizing Return Rate Calculator](https://sellerroas.com/calculators/tiktok-shop-us-fashion-apparel): Avg Price $36.00, Landed COGS $9.20, Shipping $5.40, Referral Fee 6%, Break-Even ROAS 2.46x, Max CPA $14.62.
- [TikTok Shop US Supplement Profit & 20% Creator Affiliate Calculator](https://sellerroas.com/calculators/tiktok-shop-us-supplements-health): Avg Price $34.95, Landed COGS $6.20, Shipping $4.50, Referral Fee 6%, Break-Even ROAS 2.35x, Max CPA $14.86.
- [TikTok Shop US Pet Supplies & Dog Treats Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-pet-supplies): Avg Price $26.99, Landed COGS $6.00, Shipping $4.90, Referral Fee 6%, Break-Even ROAS 2.67x, Max CPA $10.12.
- [TikTok Shop US Home & Kitchen Gadgets Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-home-kitchen-gadgets): Avg Price $29.99, Landed COGS $7.40, Shipping $5.80, Referral Fee 6%, Break-Even ROAS 2.94x, Max CPA $10.19.
- [TikTok Shop US Phone Cases, MagSafe & Tech Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-phone-tech-accessories): Avg Price $22.99, Landed COGS $3.80, Shipping $3.90, Referral Fee 6%, Break-Even ROAS 2.43x, Max CPA $9.47.
- [TikTok Shop US Fashion Jewelry & Watches Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-jewelry-accessories): Avg Price $24.50, Landed COGS $3.20, Shipping $3.75, Referral Fee 6%, Break-Even ROAS 2.25x, Max CPA $10.88.
- [TikTok Shop US Gym Gear & Athleisure Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-fitness-athleisure): Avg Price $38.00, Landed COGS $8.50, Shipping $5.10, Referral Fee 6%, Break-Even ROAS 2.36x, Max CPA $16.12.
- [TikTok Shop US Baby Gear & Mom Essentials Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-baby-maternity): Avg Price $31.99, Landed COGS $7.80, Shipping $4.95, Referral Fee 6%, Break-Even ROAS 2.55x, Max CPA $12.54.
- [TikTok Shop US Viral Snacks, Candy & Coffee Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-snacks-beverages): Avg Price $21.99, Landed COGS $5.60, Shipping $4.60, Referral Fee 6%, Break-Even ROAS 3.20x, Max CPA $6.87.
- [TikTok Shop US Car Detailing & Auto Gadgets Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-auto-car-accessories): Avg Price $27.50, Landed COGS $6.40, Shipping $4.85, Referral Fee 6%, Break-Even ROAS 2.70x, Max CPA $10.18.
- [TikTok Shop US BookTok, Guided Journals & Planners Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-books-journals): Avg Price $23.99, Landed COGS $4.10, Shipping $4.10, Referral Fee 6%, Break-Even ROAS 2.59x, Max CPA $9.25.
- [TikTok Shop US Sneakers, Slides & Footwear Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-footwear-shoes): Avg Price $44.00, Landed COGS $11.50, Shipping $6.80, Referral Fee 6%, Break-Even ROAS 2.52x, Max CPA $17.48.
- [TikTok Shop US Perfumes, Body Mists & Arabic Scents Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/tiktok-shop-us-perfume-fragrance): Avg Price $32.00, Landed COGS $6.80, Shipping $4.90, Referral Fee 6%, Break-Even ROAS 2.60x, Max CPA $12.32.
- [Etsy Printify Profit Calculator (Comfort Colors 1717, Bella+Canvas & Offsite Ads)](https://sellerroas.com/calculators/etsy-us-print-on-demand-shirts): Avg Price $24.99, Landed COGS $10.45, Shipping $4.75, Referral Fee 6.5%, Break-Even ROAS 2.18x, Max CPA $11.48.
- [Gildan 18000 & Comfort Colors Sweatshirt Etsy POD Profit Calculator](https://sellerroas.com/calculators/etsy-us-pod-sweatshirts-hoodies): Avg Price $36.99, Landed COGS $15.80, Shipping $8.49, Referral Fee 6.5%, Break-Even ROAS 2.46x, Max CPA $15.06.
- [Etsy US POD Ceramic Mugs & 40oz Tumblers Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-pod-mugs-tumblers): Avg Price $19.99, Landed COGS $5.95, Shipping $6.10, Referral Fee 6.5%, Break-Even ROAS 1.89x, Max CPA $10.56.
- [Etsy Digital Downloads, SVG & Printable Profit Calculator ($0.45 Flat Fee Impact)](https://sellerroas.com/calculators/etsy-us-digital-downloads): Avg Price $6.99, Landed COGS $0.00, Shipping $0.00, Referral Fee 6.5%, Break-Even ROAS 1.19x, Max CPA $5.88.
- [Etsy US Handmade Silver, Gold & Beaded Jewelry Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-handmade-jewelry): Avg Price $42.00, Landed COGS $8.50, Shipping $4.20, Referral Fee 6.5%, Break-Even ROAS 2.12x, Max CPA $19.82.
- [Etsy US 3D Printed Planters, Dragons & Organizers Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-3d-printed-products): Avg Price $26.00, Landed COGS $3.40, Shipping $5.20, Referral Fee 6.5%, Break-Even ROAS 1.40x, Max CPA $18.55.
- [Etsy US Laser Cut Wood & Custom Wedding Signs Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-custom-neon-laser-wood): Avg Price $68.00, Landed COGS $16.00, Shipping $11.50, Referral Fee 6.5%, Break-Even ROAS 2.67x, Max CPA $25.43.
- [Etsy US Soy Candles, Wax Melts & Artisan Soap Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-handmade-candles-soap): Avg Price $22.00, Landed COGS $5.10, Shipping $5.60, Referral Fee 6.5%, Break-Even ROAS 1.66x, Max CPA $13.28.
- [Etsy US Vintage Clothing, Brass & Estate Finds Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-vintage-clothing-decor): Avg Price $54.00, Landed COGS $12.00, Shipping $6.80, Referral Fee 6.5%, Break-Even ROAS 1.86x, Max CPA $29.02.
- [Etsy US Die-Cut Vinyl Stickers & Bookmark Packs Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-custom-stickers-stationery): Avg Price $8.50, Landed COGS $0.85, Shipping $1.45, Referral Fee 6.5%, Break-Even ROAS 1.72x, Max CPA $4.94.
- [Etsy US POD Framed Canvas & Poster Wall Art Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-pod-canvas-wall-art): Avg Price $58.00, Landed COGS $21.50, Shipping $9.80, Referral Fee 6.5%, Break-Even ROAS 4.21x, Max CPA $13.78.
- [Etsy US Personalized Leather Wallets & Dopp Kits Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/etsy-us-leather-goods-wallets): Avg Price $48.00, Landed COGS $11.20, Shipping $4.80, Referral Fee 6.5%, Break-Even ROAS 2.26x, Max CPA $21.23.
- [Shopify US General Dropshipping & Meta/TikTok Ads Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-dropshipping-roas): Avg Price $49.99, Landed COGS $12.50, Shipping $4.50, Referral Fee 0%, Break-Even ROAS 1.60x, Max CPA $31.24.
- [Shopify US DTC Skincare, Cosmetics & Haircare Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-dtc-skincare-beauty): Avg Price $56.00, Landed COGS $8.40, Shipping $4.80, Referral Fee 0%, Break-Even ROAS 1.59x, Max CPA $35.28.
- [Shopify US High-Ticket US Dropshipping ($300+ AOV) Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-high-ticket-furniture-decor): Avg Price $380.00, Landed COGS $165.00, Shipping $35.00, Referral Fee 0%, Break-Even ROAS 2.25x, Max CPA $168.68.
- [Shopify US Custom Streetwear & Cut-and-Sew Apparel Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-streetwear-clothing-brand): Avg Price $64.00, Landed COGS $15.50, Shipping $5.60, Referral Fee 0%, Break-Even ROAS 1.59x, Max CPA $40.16.
- [Shopify US Specialty Coffee, Matcha & Beverage Brands Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-coffee-roaster-beverage): Avg Price $39.00, Landed COGS $9.80, Shipping $5.90, Referral Fee 0%, Break-Even ROAS 2.17x, Max CPA $17.97.
- [Shopify US DTC Dog Harnesses, Beds & Pet Brands Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-pet-brand-accessories): Avg Price $52.00, Landed COGS $11.80, Shipping $5.40, Referral Fee 0%, Break-Even ROAS 1.94x, Max CPA $26.75.
- [Shopify US Digital Products, E-Books & Notion Templates Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-digital-courses-templates): Avg Price $37.00, Landed COGS $0.00, Shipping $0.00, Referral Fee 0%, Break-Even ROAS 1.31x, Max CPA $28.23.
- [Shopify US DTC Waterproof Jewelry & Custom Necklaces Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/shopify-us-jewelry-watches-dtc): Avg Price $58.00, Landed COGS $7.50, Shipping $4.10, Referral Fee 0%, Break-Even ROAS 1.62x, Max CPA $35.72.
- [Amazon FBA US Home & Kitchen Private Label Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-home-kitchen): Avg Price $29.99, Landed COGS $6.20, Shipping $5.40, Referral Fee 15%, Break-Even ROAS 2.22x, Max CPA $13.49.
- [Amazon FBA US Vitamins, Supplements & Sports Nutrition Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-supplements-vitamins): Avg Price $32.95, Landed COGS $5.80, Shipping $4.15, Referral Fee 15%, Break-Even ROAS 2.29x, Max CPA $14.41.
- [Amazon FBA US Beauty, Skincare & Personal Care Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-beauty-personal-care): Avg Price $24.99, Landed COGS $4.40, Shipping $3.95, Referral Fee 15%, Break-Even ROAS 1.98x, Max CPA $12.59.
- [Amazon FBA US Pet Toys, Grooming & Supplies Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-pet-products): Avg Price $26.99, Landed COGS $5.50, Shipping $4.85, Referral Fee 15%, Break-Even ROAS 2.20x, Max CPA $12.24.
- [Amazon FBA US Sports, Pickleball, Camping & Fitness Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-sports-outdoors): Avg Price $39.99, Landed COGS $9.20, Shipping $5.90, Referral Fee 15%, Break-Even ROAS 2.17x, Max CPA $18.44.
- [Amazon FBA US Baby Nursery, Feeding & Stroller Gear Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-baby-products): Avg Price $28.50, Landed COGS $6.00, Shipping $4.90, Referral Fee 15%, Break-Even ROAS 2.20x, Max CPA $12.98.
- [Amazon FBA US STEM Toys, Board Games & Collectibles Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/amazon-fba-us-toys-games): Avg Price $31.99, Landed COGS $6.80, Shipping $5.30, Referral Fee 15%, Break-Even ROAS 2.19x, Max CPA $14.59.
- [Whatnot Pokémon TCG Singles & Rip-and-Ship Profit + Fee Calculator](https://sellerroas.com/calculators/whatnot-us-pokemon-tcg-cards): Avg Price $28.00, Landed COGS $15.50, Shipping $4.10, Referral Fee 8%, Break-Even ROAS 3.22x, Max CPA $8.70.
- [Whatnot Sports Card Box Break Spot Price & Fee Calculator (NFL/NBA/MLB)](https://sellerroas.com/calculators/whatnot-us-sports-card-breaks): Avg Price $45.00, Landed COGS $26.00, Shipping $4.30, Referral Fee 8%, Break-Even ROAS 3.38x, Max CPA $13.33.
- [Whatnot Vintage Clothing & $1 Sudden-Death Auction Profit Calculator](https://sellerroas.com/calculators/whatnot-us-vintage-thrift-clothing): Avg Price $22.00, Landed COGS $4.50, Shipping $5.20, Referral Fee 8%, Break-Even ROAS 1.55x, Max CPA $14.24.
- [Whatnot US Sneakers, Jordan & Hype Streetwear Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/whatnot-us-sneakers-streetwear): Avg Price $115.00, Landed COGS $74.00, Shipping $8.90, Referral Fee 8%, Break-Even ROAS 4.23x, Max CPA $27.19.
- [Whatnot US Luxury Handbags, Watches & Estate Jewelry Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/whatnot-us-luxury-bags-jewelry): Avg Price $240.00, Landed COGS $145.00, Shipping $9.50, Referral Fee 8%, Break-Even ROAS 3.56x, Max CPA $67.50.
- [eBay US Refurbished Phones, Laptops & Gaming Consoles Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/ebay-us-electronics-smartphones): Avg Price $220.00, Landed COGS $145.00, Shipping $9.50, Referral Fee 13.25%, Break-Even ROAS 8.82x, Max CPA $24.95.
- [eBay US Clothing, Shoes & Thrift Reselling Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/ebay-us-clothing-shoes-reselling): Avg Price $34.99, Landed COGS $6.50, Shipping $5.80, Referral Fee 13.25%, Break-Even ROAS 1.69x, Max CPA $20.75.
- [eBay US eBay Motors Auto Parts & Accessories Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/ebay-us-auto-parts-accessories): Avg Price $68.00, Landed COGS $24.00, Shipping $9.20, Referral Fee 13.25%, Break-Even ROAS 3.00x, Max CPA $22.67.
- [eBay US PSA Graded Slabs, Sports Cards & Collectibles Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/ebay-us-trading-cards-collectibles): Avg Price $48.00, Landed COGS $27.00, Shipping $4.20, Referral Fee 13.25%, Break-Even ROAS 3.84x, Max CPA $12.50.
- [Walmart WFS Profit, Fulfillment Fee & Connect PPC ROAS Calculator](https://sellerroas.com/calculators/walmart-us-wfs-home-goods): Avg Price $32.99, Landed COGS $7.50, Shipping $5.15, Referral Fee 15%, Break-Even ROAS 2.19x, Max CPA $15.09.
- [Walmart US (WFS) Consumer Electronics & Tech Accessories Profit, Fee & Break-Even ROAS Calculator](https://sellerroas.com/calculators/walmart-us-wfs-electronics-accessories): Avg Price $27.99, Landed COGS $6.20, Shipping $4.45, Referral Fee 15%, Break-Even ROAS 2.17x, Max CPA $12.89.