eCommerce
Tools & Analytics
Profitability and logistics for Shopify and Amazon sellers. Explore our suite of precision ecommerce calculators.
Online selling lives and dies on margins, and marketplace fees make those margins easy to misjudge. Calcuva's eCommerce calculators break down true profit for Amazon FBA and Shopify sellers, accounting for referral fees, fulfillment costs, shipping and cost of goods. Enter your price and costs to see your real net margin and ROI before you launch a product. These tools help you spot unprofitable SKUs, set prices that survive platform fees, and compare fulfillment options. They run privately in your browser so you can model a new product line on the spot. For sellers, an accurate margin calculation is the foundation of every sourcing and pricing decision.
Calculate net profit and margins for Amazon FBA sellers.
Calculate Shopify transaction fees and net margins.