One stone has 14 pounds in it. Since one kg equals 2.2 pounds, 14 pounds is equal to 6.4 kg.

Therefore, one stone is equal to about 6.4 kg. In exact terms, it equals 6.35029318 kg. Let's stick to 6.4 kg for our convenience ;)

Now, to find the number of stones in 86 kg, just follow the following steps:

1 stone = 6.4 kg

x stone = 86 kg

x = 86/6.4

x = 13.44 stones

Therefore, 86kg are equal to 13.44 stones.

Therefore, one stone is equal to about 6.4 kg. In exact terms, it equals 6.35029318 kg. Let's stick to 6.4 kg for our convenience ;)

Now, to find the number of stones in 86 kg, just follow the following steps:

1 stone = 6.4 kg

x stone = 86 kg

x = 86/6.4

x = 13.44 stones

Therefore, 86kg are equal to 13.44 stones.