60364calc.com is a free calculator for HD 60364

Creating an account with your email is free, and you can use the calculator in your own language. Once you have registered, you can choose your language in your profile settings.
The calculator is based on HD 60364, CENELEC’s European adaptation of the international standard IEC 60364. Several European countries require by law that electrical installations comply with HD 60364.
60364calc assumes that you already understand how short-circuit currents and voltage drop affect your electrical installation. The calculator is designed for users with relevant training in electrical engineering or installation.
60364calc helps you size your installation and calculate short-circuit currents and voltage drop, so you can check your choice of protective devices and cables against the requirements of HD 60364.

More features are under development.