When do silkies reach their ultimate height?

[TCCL]

I have 13 silkies that are nearly 7 weeks old now. They came from Cackle Hatchery if that matters. I am wondering at what age can I get a idea of what their ultimate heights will be?

Thanks for looking!

 

[AlleysChicks]

Mine were still growing at 19 weeks.

 

[TCCL]

Mine were still growing at 19 weeks.

How much did thier size increase from 7 weeks to 19 weeks?

 

[AlleysChicks]

How much did thier size increase from 7 weeks to 19 weeks?

they almost tripled.