Butter Substitute Calculator

How this works

Butter is roughly 80–82% fat, with the rest being water and milk solids, while vegetable oil is 100% fat. That's why recipes generally call for a bit less oil than butter by volume — about 3/4 cup of oil per 1 cup of butter. Coconut oil is solid at room temperature and close enough to butter's fat content that it swaps in 1:1. Vegan butter sticks are formulated to match dairy butter's fat and water content, so they also swap in 1:1. Applesauce replaces some of butter's moisture and tenderizing effect at a much lower fat cost, which is why it's typically used to replace only part of the butter in a recipe, not all of it.

Source: Substitution ratios follow King Arthur Baking's fat-substitution guidance for oil and applesauce swaps.