Convert between oil and butter accurately for baking and cooking.
Recipe Specs
Substitution Result
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Overview
Butter and oil are both fats, but butter contains about 20% water and milk solids. This calculator adjusts the quantities to maintain the correct fat-to-liquid ratio in your recipes.
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Pro Tips
When replacing butter with oil, use 3/4 of the amount (e.g., 3/4 cup oil for 1 cup butter).
If substituting oil with butter, use 1 1/3 times the amount.
For recipes that require creaming (like cookies), replacing butter entirely with oil may result in flat, greasy results.
Coconut oil can often be used as a 1:1 replacement for butter because it is solid at room temperature.
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Fun Facts
"Butter has a smoke point of 350°F (175°C), while many oils can reach 400°F+ before burning."
"The 'creaming' method in baking relies on butter's solid structure to hold air bubbles."
"Olive oil was once used not just for food, but for lighting lamps and as medicine."
"Using oil instead of butter often leads to a moister, denser crumb in cakes."
