All fields on this form are required. Any of the below images can be clicked on to view in a larger window. Need some help? Feel free to call us at 1 (866) 226 6536 or send us an email at sales@stairsupplies.com.

We recommend using an Angle Finder app on a smart phone to find the angle, if you have access to a smart phone. There are many angle finder apps available for iPhone, Android, and Windows Phone devices. Search your mobile app store to find one.


This is the desired height of your handrail as measured from the nose of the tread.


This is the distance from the nose of the tread to the top of the knee wall.


This measurement is only necessary if you are mounting a post on a level surface at the top of the stairs. If not applicable, please enter '0'.

Measure the distance from the angle-to-level transition of the knee wall to the desired position of the post.


By signing your initials here, you agree that you have followed all the above instructions to find the provided measurements.