The NRC Calculator estimates energy and protein allowable average daily gain of the dairy calf based on user inputs regarding the volume of whole milk and/or milk replacer fed, the percent solids of whole milk or milk replacer solution, whole milk protein, and fat content, milk replacer protein, fat, moisture and ash content, starter grain intake, protein content, and metabolizable energy content, calf body weight, and ambient temperature. Milk replacer, whole milk, or combined whole milk and mi