_position-precision-bits Precision bits Metric Imperial 10 23.3 km 14.5 miles 11 11.7 km 7.3 miles 12 5.8 km 3.6 miles 13 2.9 km 1.8 miles 14 1.5 km 4787 feet 15 729 m 2392 feet 16 364 m 1194 feet 17 182 m 597 feet 18 91 m 299 feet 19 45 m 148 feet