By ounce, you mean fluid ounce, a volume unit. A teaspoon is about 5 ml, so the closest common measurement would be 1/4 teaspoon since there isn't a 1/5 teaspoon.
However, 1 ml is approximately 1/30th of an ounce.
To avoid conversion error - and that includes error from rounding off, measure everything in millilitres and don't use ounces.
There are approximately 0.0338 liquid ounces in a milliliter.
There are approximately 0.0338 fluid ounces in one milliliter.
There are 0.0338 fluid ounces in 1 milliliter.
There are approximately 0.0338 fluid ounces in 1 milliliter.
There are approximately 0.0338 fluid ounces in 1 milliliter.
There are approximately 0.0338 liquid ounces in a milliliter.
There are approximately 0.0338 fluid ounces in one milliliter.
1 mL = 0.0338140227 US fluid ounces
1 milliliter is 0.03 fluid ounces.
1/28 of an ounce in a ml.
There are 0.0338 fluid ounces in 1 milliliter.
1 milliliter is a unit of volume equal to one thousandth of a liter. It is roughly equivalent to about 0.034 fluid ounces or 0.002 cups.
64 US fluid ounces (1/2 gallon) is about 1,892.7 mL.
There are approximately 0.0338 fluid ounces in 1 milliliter.
1 mililiter of pure water weighs 1 gram. 1 gram is 0.035274 ounces.
There are approximately 0.0338 fluid ounces in 1 milliliter.
1 ml = 0.0338140227 US fluid ounces