300 Grams to ml

300 grams to ml is ingredient-specific. Water is simple: 300g = 300ml. Flour, sugar, rice, butter, and honey need density-based conversion.

300 Grams in ml by Ingredient

Ingredient	Milliliters	Density note
water	300 ml	1 ml water is 1 gram at kitchen precision.
whole milk	291.26 ml	Milk is slightly denser than water.
all-purpose flour	567.11 ml	Spoon & Level flour; scooping can be heavier.
granulated sugar	355.03 ml	Granulated sugar is much denser than flour.
butter	312.83 ml	Solid butter, before melting.
cooked white rice	449.1 ml	Fluffed cooked rice; packing changes the weight.
honey	211.27 ml	Honey is denser than water and milk.

300 grams of water is 300 ml at kitchen precision.

300 grams of all-purpose flour is about 567.11 ml using Spoon & Level density.

Grams are weight and milliliters are volume. A dense ingredient needs fewer milliliters for the same gram weight than a light ingredient.