Running a successful ecommerce business isn’t just about increasing sales – it’s about understanding the numbers behind those sales.

Whether you’re launching your first online store or scaling an established brand, profitability depends on far more than revenue. Advertising costs, payment gateway fees, shipping expenses, packaging, returns and operating costs all affect how much money your business actually keeps.

The ecommerce tools (calculators) on this page are designed to help founders, marketers and ecommerce operators make better financial decisions. Instead of relying on rough estimates or spreadsheets, you can quickly evaluate profitability, pricing, margins and other key business metrics using practical tools built for real-world decision making.

As this collection grows, you’ll find calculators covering everything from customer acquisition and contribution margins to pricing strategy, break-even analysis and subscription economics – all with one objective: helping businesses grow sustainably rather than simply grow quickly.