Not all cooking oils are created equal. When trying to choose between all those bottles of vegetable oils in your cupboard, you might want to check this calculator. You might find that you can drastically reduce your fat intake this way. This Fat Percentage Calculator tells you the percentage of fats in vegetable oils and ghee. Oils and fats have saturated, monounsaturated (MUFA), polyunsaturated (PUFA) and essential fatty acids (EFA). Just select the type of oil.