three-inches-to-the-foot (3"=1'-0") (ratio equivalent 1:4)/one-and-one-half-inch-to-the-foot ( 1 1⁄2"=1'-0") (1:8) one-inch-to-the-foot (1"=1'-0") (1:12)/one-half-inch-to-the-foot ( 1⁄2"=1'-0") (1:24) three-quarters-inch-to-the-foot ( 3⁄4"=1'-0") (1:16)/three-eighths-inch-to-the-foot (3/8"=1'-0") (1:32) one-quarter-inch-to-the-foot ( 1⁄4"=1'-0") (1:48)/one-eighth-inch-to-the-foot ( 1⁄8"=1'-0") (1:96) three-sixteenths-inch-to-the-foot ( 3⁄16"=1'-0") (1:64)/three-thirty-seconds-inch-to-the-foot ( 3⁄32"=1'0") (1:128)