단 위 환 산 표 1. 길이 단위 cm m in ft yd mile 尺 間 町 里 1 cm 1 0.01 0.3937 0.0328 0.0109 - 0.033 0.0055 0.00009 - 1 m 100 1 39.37 3.2808 1.0936 0.0006 3.3 0.55 0.00917 0.00025 1 in 2.54 0.0254 1 0.0833 0.0278 - 0.0838 0.0140 0.0002 - 1 ft 30.48 0.3048 12 1 0.3333 0.00019 1.0058 0.1676 0.0028 - 1 yd 91.438 0.9144 36 3 1 0.0006 3.0175 0.5029 0.0083 0.0002 1 mile ..