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:

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Challenge: Metric-Imperial Converter

Link to the challenge:

I solved it at the end:)