There are none since they measure different things: millimeters are a measure of length; ounces are a measure of weight.
1300 mg = 0.04586 ounces
14 mg is 0.000493835 ounces.
1300 mg is 0.045856 ounces.
60 mg is about 0.002 ounces.
170 mg is 0.00599657 ounces.
1.9
35 mg is equal to approximately 0.00123 ounces.
4 ounces = 113,398.093 milligrams.
It's about 200 grams, so that's 200,000 mg.
It is 0.0054 ounces.
500 mg = 0.01764 ounces