List Notes: Data is the top 5 hottest chili peppers using the Scoville scale in units called SHU or Scoville Heat Units. The Scoville scale was developed by a pharmacist named Wilbur Scoville in the year 1912. Basically the scale measures the spicy heat of the chili pepper by the amount of capsaicin in the pepper. It is capsaicin that produces the burning sensation after eating a pepper. The more capsaicin the more heat.
Please note: for the purposes of ranking we have listed the highest possible score of the chili pepper however the shu of chili peppers do indeed vary.