Free Tax and Finance Calculators for Ecommerce Sellers

Estimate your taxes, fees, and margins before they catch you off guard. Built for ecommerce sellers.

Corporate Tax Accountant

Corporate Income Tax Calculator

How to Sell Internationally on Shopify

Shopify Fee Calculator

Can a Canadian Corporation Own a US LLC

Should a Shopify Seller start a US LLC?

HSTGST Filing Services in Toronto

GST/HST Refund Calculator for eCommerce Stores

Tax Deduction Checklist for Canadian and U.S Small Businesses in 2025

Tax Document Checklist for eCommerce stores

EBITDA

Ecommerce EBITDA Calculator

Sales Tax Nexus

US Economic Nexus Threshold Checker

Numbers are a starting point.
A CPA can take it further.

hese calculators give you estimates. If you want to know exactly where you stand — on US nexus exposure, Canadian corporate tax, or your platform costs — that’s what we do at SAL. We work specifically with ecommerce sellers, so there’s no explaining your business model from scratch.