Free E-Commerce Profit Calculators
Platform-specific calculators that account for every hidden fee. No spreadsheets. No signup. Instant results.
Platform Calculators
Shopify
Shopify Contribution Margin Calculator
True margin after payment fees, returns, apps, and ad spend. The number Shopify's dashboard hides.
Comparison
Amazon FBA vs Shopify Profitability Tool
Side-by-side profit comparison with real fee structures. Find which platform pays more for your product.
TikTok Shop
TikTok Shop Fee Estimator (2026)
Model the 6% platform fee plus creator commissions to see your real TikTok Shop margin.
All Platforms
Multi-Platform Profit Calculator
Compare Shopify, Amazon FBA, TikTok Shop, eBay, and Etsy in one tool. Toggle platforms instantly.
Niche Calculators
Apparel
Clothing Brand Profit Calculator
Benchmarks for apparel: 15–30% return rates, influencer costs, seasonal risk.
Supplements
Supplements & Nutraceuticals Calculator
High-risk payment processing, $35+ CAC, and subscription LTV modeling for supplement brands.
All Niches
All Niche Calculators →
Pet supplies, beauty, furniture, digital products, print on demand, luxury, and more.