Kitchen conversion
fl oz to grams water
Quick answer
1 fl oz water = 29.58 g.
Fluid ounce → Gram · water
Result
29.58 g
1 fl oz water → Gram
1 fl oz water = 29.58 g. Use the calculator below to change the amount, switch units, or convert a full recipe list while cooking.
Because fluid ounce and gram span volume and weight, this page uses water density (~236.6g per US cup). Other ingredients will convert differently.
Tip: for baking, weighing in grams is more consistent than cups. Convert once, then scale the recipe up or down without re-measuring every spoon.
FAQ
Fl Oz To Grams Water?
1 fl oz water = 29.58 g.
Is this fl oz to g conversion exact?
Volume ↔ weight depends on ingredient density. We use common US baking averages (e.g. flour ≈ 125g per cup).
US cup or metric cup?
This site uses the US legal cup (240ml-class cooking cup ≈ 236.588 ml) common in American recipes.