FBA Calculator is described as 'allows you to know FBA Fees in one click without leaving current product page absoletely free! It works for Amazon US, UK, CA, MX, DE, IT, ES, FR and IN. Just enter to a product page and click the extension button!' and is an app in the Education & Reference category. There are more than 10 alternatives to FBA Calculator for a variety of platforms, including Online / Web-based, Mac, Windows, Linux and Google Chrome. The best alternative is Inventory Spy, which is free. Other great apps like FBA Calculator are Jungle Scout (Paid), AmzScope (Paid), Shopkeeper (Paid) and Teikametrics (Paid).
Shopkeeper automatically calculates your profit margins for your Amazon sales. No need to manually download and filter through multiple different reports from Amazon Seller Central anymore - Shopkeeper does it all for you automatically.