Calories in a boneless pork chop. 54 calories in 1 oz or 28g (lean only). 216 calories in 4 oz or 114g (lean only). 324 calories in a 6 oz or 170g (lean only). alternatively. 58 calories in 1 oz or 28g (lean and fat). 232 calories in 4 oz or 114g (lean and fat). 348 calories in a 6 oz or 170g (lean and fat).