Ecommerce margin intelligence

Know your margin
before you list.

Fee calculators and field guides for TikTok Shop, Temu, Amazon, Shopify, Etsy, eBay. Free, no account required.

14
free calculators
27
field guides
6
marketplaces
TikTok Shop fee breakdown Edit inputs →
ItemAmount
Selling price $29.99
Commission (8%) −$2.40
Processing (2.2%) −$0.96
Shipping + COGS −$11.50
Net profit $15.13

The toolkit

Live calculators

TikTok Shop Live

TikTok Shop Fee Calculator

Break down commissions, processing, fulfillment, and per-unit profit before you list.

Temu Live

Temu Seller Fee Calculator

Estimate commission drag, warehouse shipping, and net margin across Temu selling models.

Amazon Live

Amazon FBA Calculator

Calculate referral fees, FBA fulfillment costs, and storage fees with 2026 rates.

Etsy Live

Etsy Fee Calculator

Calculate listing fees, transaction fees, payment processing, and Offsite Ads impact.

Shopify Live

Shopify Fee Calculator

Compare Shopify plan costs, payment processing, and third-party transaction fees.

eBay Live

eBay Fee Calculator

Calculate Final Value fees, per-order charges, and Promoted Listings costs for eBay sellers.

Amazon Live

Marketplace Fee Comparison

Compare selling fees across Amazon, eBay, Etsy, Shopify, TikTok Shop, and Temu side by side.

Cross-Border Live

US Import Tariff Calculator

Estimate customs duties and landed cost including Section 122 and Section 301 tariffs.

Shopify Live

Dropshipping Profit Calculator

Calculate dropshipping margins after supplier costs, platform fees, ads, and returns.

All Platforms Live

Break-Even ROAS Calculator

Find your break-even Return on Ad Spend, maximum CPA, and break-even CPC.

All Platforms Live

Profit Calculator

A universal profit calculator for any ecommerce platform. Calculates margin and markup.

Amazon Live

Amazon vs Shopify Calculator

Side-by-side profit comparison between selling on Amazon FBA vs your own Shopify store.

Cross-Border Live

Currency Converter for Ecommerce Sellers

Convert between USD, CNY, EUR, GBP, JPY, CAD, AUD and more. Live rates via ECB with ecommerce quick-reference pairs.

Cross-Border Live

Import Duty Calculator

Estimate MFN customs duty rates for goods entering the US, EU, UK, Canada, Australia, or Japan by product category.

Coming next: + -3 more

See where the money goes — before you commit inventory.

Every calculator breaks platform fees into visible line items. Enter your numbers and see the net margin instantly.

TikTok Shop Temu
Commission 8% 15–25%
Processing fee 2.2% Included
Fulfillment Self / FBT Consignment
Payout cycle 15 days 7–14 days

Latest guides

All guides →

Cross-Border Ecommerce Tax Guide: What Sellers Need to Know in 2026

A comprehensive cross-border ecommerce tax guide covering sales tax, VAT, GST, import duties, and platform-specific obligations for online sellers in 2026.

Best Inventory Management Software for Ecommerce in 2026

Compare the 6 best inventory management software for ecommerce in 2026. Detailed reviews of Cin7, Ordoro, Katana, inFlow, Zoho Inventory, and Stocky with pricing, pros, cons, and feature comparisons.

Is Dropshipping Dead in 2026? How Tariffs Changed Everything

The short answer: no, but the economics shifted. Before/after math on how 2026 tariffs broke China direct-ship dropshipping and what models still work.

US Tariff Impact on Ecommerce Sellers 2026: What Changed and How to Adapt

A complete 2026 breakdown of Section 122, Section 301, and the de minimis suspension, with concrete adaptation strategies for Amazon FBA, Shopify, Etsy, Temu, and dropshipping sellers.

How to Start Cross-Border Ecommerce: A Step-by-Step Guide for 2026

Learn how to start cross-border ecommerce with this comprehensive step-by-step guide. From market research and legal setup to shipping, localization, and payments — everything you need to sell internationally in 2026.

Ecommerce Bookkeeping for Beginners: A Simple Guide

Learn ecommerce bookkeeping basics, from tracking revenue and expenses to choosing the right tools. A beginner-friendly guide to keeping your online store finances organized.

Sellics is Dead: Best Alternatives in 2026 (Helium 10 vs Perpetua)

Sellics rebranded to Perpetua in 2022. Compare Helium 10 vs Perpetua and discover the best Sellics alternatives for Amazon sellers in 2026.

How to Calculate Profit Margin for Your Online Store (With Examples)

Learn how to calculate profit margin for ecommerce with step-by-step formulas, real product examples, industry benchmarks, and tips to boost your margins.

6 Best Shipping Software for Small Ecommerce Businesses in 2026

Compare the best shipping software for small business in 2026. We review ShipStation, Shippo, Easyship, Pirate Ship, ShippingEasy, and Ordoro — pricing, pros, cons, and which is right for you.

5 Best Email Marketing Platforms for Ecommerce in 2026

Compare the top email marketing platforms for ecommerce stores. In-depth reviews of Klaviyo, Omnisend, Mailchimp, Brevo, and ConvertKit with pricing, features, and pros/cons.

How to Price Products for International Shipping (With Formula)

Learn how to price products for international shipping with our step-by-step formula. Covers duties, shipping costs, currency conversion, and proven pricing strategies.

TikTok Shop vs Amazon: Where Should You Sell in 2026?

TikTok Shop vs Amazon for sellers — a detailed comparison of fees, traffic, fulfillment, and growth potential to help you choose the right platform in 2026.

11 Ways to Reduce Your Amazon FBA Fees in 2026

Learn how to reduce Amazon FBA fees with 11 proven strategies. Cut fulfillment costs, avoid storage surcharges, and keep more profit on every sale.

Amazon FBA vs Shopify Dropshipping: Which is More Profitable in 2026?

Compare Amazon FBA vs Shopify dropshipping side by side — startup costs, profit margins, fees, scalability, and more. Find out which ecommerce model is right for you in 2026.

10 Best Amazon Seller Tools in 2026: From Sourcing to PPC

Discover the 10 best Amazon seller tools in 2026 for product research, keyword optimization, PPC management, and inventory tracking. Compare features, pricing, and find the right tool stack for your business.

Ecommerce Return Rates by Category: 2026 Data & Benchmarks

Comprehensive breakdown of ecommerce return rates by product category, platform, and cause. Updated 2026 data with actionable strategies to reduce returns and protect your margins.

7 Best Product Research Tools for Amazon Sellers in 2026

In-depth reviews of Helium 10, Jungle Scout, AMZScout, Viral Launch, Keepa, SmartScout, and ZonGuru — pricing, pros, cons, and recommendations.

Printify vs Printful 2026: The Ultimate Print-on-Demand Comparison

Side-by-side review of pricing, product catalog, print quality, shipping speed, and integrations for the two largest print-on-demand platforms.

Temu Seller Requirements 2026: Everything You Need to Know

Complete guide to Temu seller requirements in 2026. Learn about eligibility, documentation, product standards, fees, and how to get approved fast.

7 Cheaper Shopify Alternatives in 2026 (Starting at $2.99/mo)

Compare 7 budget-friendly ecommerce platforms starting at $2.99/mo. Features, pricing, pros, and cons for sellers looking to switch from Shopify.

How to Sell on SHEIN Marketplace: 2026 Seller Guide

Requirements, fees, application steps, and tips for success on the SHEIN marketplace for sellers.

Helium 10 vs Jungle Scout 2026: Which Amazon Tool is Better?

An in-depth comparison of Helium 10 and Jungle Scout — features, pricing, pros, and cons for Amazon sellers.

Temu vs AliExpress for Sellers: Which Platform Pays More in 2026?

Compare commission rates, pricing control, fulfillment options, and more to find the best platform for your business.

8 Best Oberlo Alternatives in 2026 (Free & Paid)

A replacement shortlist for sellers who still need sourcing and automation after Oberlo.

TikTok Shop Seller Fees 2026: Complete Fee Guide

A practical breakdown of commission, fulfillment, and hidden platform costs for TikTok Shop sellers.

12 Best TikTok Shop Tools for Sellers in 2026

A selective review of the software stack that actually matters if you are operating on TikTok Shop.

How to Sell on Temu: Complete Seller Guide

Step-by-step guidance for getting listed on Temu, understanding the model, and staying realistic about margins.