One Teaspoon Of Flour Is How Many Ounces ?

It can be different in US, Canadian, metric or Imperial teaspoons. However, I am giving you the details of all.    Teaspoon (Canadian) is equal to 1/6 fl oz (Imp), which is also equal to  4.735 510 416 667 mL    teaspoon (U.S.) is equal to 1/6 US fl oz , which is also equal to 4.928 921 595 mL    teaspoon (metric) is equal to  5 mL    teaspoon (Imperial) is equal to 1/24 gi (Imp) which is also equal to 5.919 388 020 8(3) mL

1 teaspoon of flour is equal to 5grams of the flour.
As 1 ounce is equal to 28grams, so 5gram flour will be equal to 0.17637 ounces.