were does it take place (ie,. the hunger games takes place in panem, north america in the future) and what year (ie,. 2012)
A thicker bacon slice would contain more number of calories. One comparatively thicker cooked bacon slice weighing around 0.4 oz contains approximately 61 calories, two thick cooked bacon slices have 122 calories and three thick cooked bacon slices have around 183 calories. There are other bacon preparations as well that contain different number of calories.
I suppose you are asking this question to aid in counting calories, but in case you were interested, the single piece of bacon also contains about 2 grams of fat, half of which is saturated or bad fat, and also contains about 17% of your daily recommended intake of sodium.