Not Passing 'Metric-Imperial Converter' Project

Tell us what’s happening:
I cannot pass the ‘Metric-Imperial Converter’ Project. Hopefully someone could shed some light for me :frowning:
I am failing at the last four tests… Thank you ><

Your code so far
Link to code:
https://repl.it/join/vdrjpydk-snowiewdev

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36.

Challenge: Metric-Imperial Converter

Link to the challenge:

I solved it at the end:)