ah-il: a unit of measure equal to the distance from the elbow to the tip of the middle finger, c. 18 inches,
analogous to the cubit; 10 ah-il equal one ah-ral.

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


ah-ral: a unit of measure equaling 10 ah-il, or approximately 180  inches.

foot: a unit of measurement equal to 10 horts, or 12 1/2  inches.

The Gorean foot is ten horts one and one-quarter inches long,  twelve and one-half inches, Earth measure. Raiders of Gor, page 127


hort: a measure of distance equal to 1- 1/4 inches

huda: a unit of measure equaling 5 tefa

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


pasang: measure of distance equaling .7 miles

The pasang is a measure of distance on Gor, equivalent approximately to .7 of a mile. Tarnsman of Gor, page 58