How do you change stones to kilos?

There is approx 6.35 kilo in one stone. (UK-Ireland Stone)

110*6.35 makes 698,5 Kilo.

the other way if you weigh 110 kilo, then:

110/6.35=17,32 Stones.

Normally we do not use the decimal of a stone. After Stone we use pounds.

,32 Stones = approx 4 pound.

110 Kilo would then be described as :

17 Stones 4 Pounds.

Regards.