Download Free Temperature Converter in Python Using Tkinter GUI with Source code. Python Projects with Source code. Temperature Converter is a simple project developed in Python. Temperature Converter contains a Python Script (calculator.py). Temperature Converter is a simple GUI based Desktop Application in Tkinter which is user Friendly and very easy to understand. This Project Converts Temperate in Kelvin to Celsius, Fahrenheit and vice versa. This Project is very useful for educational purpose.