[header] How to measure the height of horses [title] Purchase a horse measuring stick marked with hand measures. [step] If a horse measuring stick is not available, a standard measuring tape is acceptable. [substeps] Horse measuring sticks can be found at equestrian supply stores (tack shops), farm supply stores and from various online retailers. 
[title] Make sure the horse is standing on firm level ground with its front feet as even as possible. [title] Place the horse measuring stick or measuring tape at the base of one of the horse's front feet and pull the measuring device up to the withers.