Butter: The Secret of Converting Measurements

454 grams of butter (1 pound or 4 sticks) is equal to 500 mL (2 cups).
If the butter is not in such a convenient size, use this simple method: If your recipe calls for 125 mL (1/2 cup) of butter, for example, fill a measuring cup with water to the 125 mL (1/2 cup) marker and add butter until it reaches the 250 mL (1 cup) mark. Discard the water.
There are different Butter Types to consider when cooking or baking.