"The hort is approximately and inch and a quarter in length."
Tribesmen of Gor  page 49

"The Gorean foot, is in my estimation, just slightly longer than the Earth foot; based on the supposition that each of its ten horts is roughly one and one-quarter inches long, I would give the Gorean foot a length of roughly twelve and one-half inches, Earth measure."
Raiders of Gor, pages 127-128

"Cloth is measured in the ah-il, which is the length from the elbow to the tip of the middle finger, and the ah-ral, which is ten ah-ils."
Tribesmen of Gor  page 50

"The pasang is a measure of distance on Gor, equivalent approximately to 0.7 of a mile."
Tarnsman of Gor, page 58

"A handful with the five fingers closed, not open, is a tef. Six such handfuls constitute a tefa, which is a tiny basket. Five such baskets constitute a huda."
Tribesmen of Gor, page 46

"I have calculated this from the Weight, a Gorean unit of measurement based on the Stone, which is about four Earth pounds. A Weight is ten Stone."
Raiders of Gor, page 127

"A given tree, annually, yields between one and five Gorean weights of fruit. A weight is some ten stone, or some forty Earth pounds."
Tribesmen of Gor, page 37

"In a matter of perhaps two or three seconds, it had drawn perhaps a gill of liquid."
Outlaw of Gor, page 34