Okla. Stat. tit. 60, § 60-1007: Conversion of feet to meters

A. For the Oklahoma Coordinate System of 1927 and the Oklahoma

Coordinate System of 1983, the unit used to convert feet to meters

shall be the United States survey foot 39.37/12 feet for each meter

and defined as the U.S. survey foot.

B. For the Oklahoma Plane Coordinate System (OKPCS), the

international conversion value (1 International foot equals 0.3048

meters exactly) shall be used and defined as a foot.