Product Calculator How many Form-A-Tread® Kits will you need for your installation? Length of each Step (inches)*Total Number of Steps*Number of Treads per Step*Width of Treads*0.5" Wide Tread1.0" Wide TreadNumber of 254ml Kits Needed.5" Wide TreadsNumber of 400ml Kits Needed.5" Wide TreadsNumber of 254ml Kits Needed1" Wide TreadsNumber of 400ml Kits Needed1" Wide TreadsBuy 254ml Kits NowBuy 254ml Kits NowBuy 400ml Kits NowBuy 400ml Kits Now