Measuring Device to Measure Leg and Hip Angle

[Krank]

What is the best device to obtain this measurement from?

What are they called?

I want to optimise my seat height.

Krank

[TDC]

goniometer

http://www.topendsports.com.au/goniometers-large.htm

[ozstriker]

If you have an android or iphone just download a golf app that measures the angle of your body ( there are plenty out there ) then put your bike on a trainer then your phone on a flat surface and bobs your uncle.