🛒 Toolkit

Ecommerce Suite

Free calculators for Shopify, Amazon, and online sellers

8 tools in this collection

About This Toolkit

Free calculators for Shopify, Amazon, and online sellers. This collection groups the Multi-Toolkit tools that work well together for this task — all free, all running entirely in your browser with nothing uploaded to a server.

Tools in This Collection (8)

Ecommerce Tools Hub

8 free calculators for online sellers

Shopify Profit Calculator

Net profit after all Shopify fees

Discount Calculator

Sale price, savings & stacked discounts

Profit Margin Calculator

Gross, operating & net margin

Break-Even Calculator

Units needed to cover all costs

Amazon FBA Calculator

Referral fees, FBA fees & net profit

GST Calculator India

CGST, SGST & IGST for all slabs

Pricing Calculator

5 pricing strategies — find optimal price