When making a rub use parts as a measure and weigh the parts because not all ingredients have the same volume. A part can be any measurement that you determine it to be.
Example: Kosher salt and Med grind Black pepper 1 oz of salt is about 1 tsp 1 oz of pepper is about 4 tsp.
I never met a Cow that I didn't like with a little Salt & Pepper! Certified PORK-A-HOLIC