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1 m = 100 cm = 1000 mm 1 in = 2.54 cm 1 ft = 30.48 cm
1 m = 100 cm 1 m = 1000 mm 1 km = 1000 m 1 inch = 2.54 cm 1 ft = 30.48 cm 1 mile = 1.609 km