Question about how UBC credit system translates through with OMSAS?

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Hi hello ~ Potentially applying from UBC and I had a question – 

I was wondering how the OMSAS calculation handles courses which don't exactly follow:
"Courses are weighted according to the length of study:

• Full-year course: Weight of 2
• Half-year course: Weight of 1
• Semester course: Weight of 1
• Three-quarter course: Weight of 1.5"

For example, I have some courses that are worth 12/15/18 credits whereas a standard 3 hour/week course for a semester is worth 3 credits. There's also some courses which are 1 or 2 credits as well. Anyone have some insight into how these will be weighted?