When it comes to the calories in jacket potato, the total calorie count is based on the size of the potato. The larger the potato, the more calories. To make the measurement easier, you can simply calculate 115 calories for every 60g of jacket potato. Keep in mind that this count assumes NO additives whatsoever. When it comes to baked jacket potatoes with butter, sour cream or cheese, you will need to include the calories from each of those ingredients and not just the potato.
There are some nutritional benefits to jacket potatoes:
Jacket potatoes are very low in saturated fats
There is absolutely no cholesterol whatsoever
Very low in sugar and sodium
High content of dietary fiber, iron and manganese
High in Vitamin B6 and C