Calories in skinless chicken. These examples are for cooked (roasted, grilled or broiled) chicken breast, leg, drumstick and thigh with the skin removed before eating. Leg, thigh, drumstick: 53 to 57 calories in each ounce or 28g of leg. 181 calories in 1 average size leg (includes drumstick & thigh) 109 calories in 1 average size thigh.