Sellertour PayPal fee Calculator is described as 'PayPal Fee Calculator is a simple and effective free tool that allows you to calculate your PayPal transaction fee quickly, easily and accurately, covering more than 80 countries worldwide' and is a Calculator in the Education & Reference category. There are more than 10 alternatives to Sellertour PayPal fee Calculator, not only websites but also apps for a variety of platforms, including Android, iPhone, Mac and Android Tablet. The best alternative is SpeedCrunch, which is both free and Open Source. Other great sites and apps similar to Sellertour PayPal fee Calculator are Wolfram Alpha (Freemium), Google Calculator (Free), NumWorks Graphing Calculator (Free, Open Source) and Kalk Calculator (Free, Open Source).
Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.