Ecom Calc Tools offers a large set of free online calculators for ecommerce sellers, marketers, and SaaS founders. It covers fees, profit margins, ROI, ROAS, CAC, CLV, churn, MRR, burn rate, taxes, and payment costs across platforms like Amazon, eBay, Etsy, Shopify, TikTok Shop, Stripe, and PayPal. Everything runs in the browser—no signup, no email wall, no data stored. Includes fee guides and comparison tools for better business decisions.
Jul 4launch
Introducing Ecom Calc Tools — Free Ecommerce, Marketing & SaaS Calculators
Hey everyone! 👋
I'm excited to share Ecom Calc Tools — a free collection of online calculators built for ecommerce sellers, marketers, and SaaS founders.
If you've ever struggled to figure out your actual profit margins after platform fees, wondered what your CAC or CLV looks like, or needed to compare payment costs across Amazon, eBay, Etsy, Shopify, TikTok Shop, Stripe, and PayPal — this is for you.
Here's what's included:
📊 Profit margin, ROI, and ROAS calculators
💸 Fee calculators for every major ecommerce platform
📈 Marketing metrics: CAC, CLV, churn, MRR, burn rate
💳 Payment cost comparisons across Stripe, PayPal, and more
Everything runs right in your browser. No signup, no email wall, no data stored. Just open the site, pick a calculator, and get your numbers instantly.
We also built fee guides and comparison tools so you can understand platform costs side by side and make better business decisions.
Whether you're doing a quick check or planning your next move, Ecom Calc Tools is designed to be fast, practical, and genuinely useful for day-to-day work.
Would love to hear your feedback and what calculators you'd like to see next! 🚀
Beta·Jul 4, 2026