79 kg is equivalent to 12 stones and 6.17 pounds. Alternatively, according to another source, 79 kg is approximately 12.44 stones. The stone is an English unit of mass equal to 14 pounds or 6.35029318 kg. Therefore, to calculate the weight in pounds, we can multiply the decimal part of the stone by 14 and add the result to the number of pounds. In this case, 0.44 stone is equivalent to 6.16 pounds, so 79 kg is also equivalent to 174.2 pounds (12 x 14 + 6.16) .