Question: how many calories in a slice of white pizza with spinach?
Answer: Amount. A slice of white pizza contains about 274 calories, according to the FatSecret website. If you're following a 2,000-calorie diet, two pieces will put you at 27 percent of your daily calorie allotment. A slice contains 9.7 grams of fat, 4.9 grams of which is saturated.