how many ounces in a teaspoon

There are 0.1667 fluid ounces in one US teaspoon. This means to convert teaspoons to fluid ounces, you divide the number of teaspoons by 6, since 6 teaspoons equal 1 fluid ounce. So, 1 teaspoon = 1/6 fluid ounce ≈ 0.1667 fluid ounces.