About Calculator.ZONE

Our website consists of online calculators which are perfectly designed for people's needs. We see providing the best online calculators for internet users as our mission.

Our Mission

To constantly improve our quality of service on providing practical online calculators for users from all over the world.

Our Vision

To be the first and only choice of users for their free online calculator needs by providing a trustworthy and high quality service.

Our Quality Policy

In order to keep the quality of service at the highest level, all of our online calculators are constantly analyzed and optimized according to changing user needs. In addition to this all of the feedback which come directly from our users are carefully analyzed and changes are made when necessary.


In order to provide the best experience for our users, different designs are tested with different focus groups and current design has been implemented as the best performing one.

Calculator.zone - The zone for all calculators