nospam actually said:

But angles are the units that the manufacturer provides for toe while I'm
almost certainly going to measure toe with a distance measurement.

not if you want to do it correctly, you won't.

This article states that you can get as accurate at home as you need to:
http://www.superstreetonline.com/how...eel-alignment/

Here's how they measured toe-in, for example:
http://image.superstreetonline.com/f...ring_box. jpg

Notice they measured toe in linear measurements.