How to dress for an interview
Match the Interviewer
If you want the job, your choice of what to wear on a job interview should match or be slightly dressier than the normal work attire of the company. For example, if the normal work attire of the company is business casual, it’s ok to wear a suit to impress. If the normal work attire is casual, it’s ok to wear a business casual outfit to impress as well
Dress to impress for an important job wear a nice suit
For a casual job its okay to be casual
If the job isn't too fancy but also not casual business casual is fine