recipe conversion

Butter to Oil Conversion for Baking (2026 Ratio Guide)

Butter to Oil Conversion for Baking (2026 Ratio Guide) To convert butter to oil in baking, scale the butter down by 0.80 by weight — because oil is lighter than butter, that works out to about 13 tablespoons (a scant 3/4 cup plus 1 tablespoon) of oil per 1 cup of butter, or roughly 6 1/2 tablespoons per stick. Butter is about 80% fat with 15–20% water, while oil is 100% fat, so you need less oil to deliver the same fat to the dough. Run your exact amount through our Butter to Oil Converter(/food/butter-oil-converter-calculator) and it returns cups, tablespoons, and grams in one click. The mistake I see most often in our recipe-tool feedback is a 1:1 swap. A reader pours a full cup of oil where the recipe called for a cup of butter, then wonders why the cake came out greasy and dense. That extra fat is...