Then count how many little millimeter-lines beyond that it reaches. This line is 2 cm 3 mm long. At the same time, it is 23 mm long. Why? Each centimeter is 10 mm, so 2 cm is 20 mm. That means 2 cm 3 mm makes 23 mm in total. This line is 4 cm 8 mm long. At the same time, it is 48 mm long. Height Conversion Table Feet (ft), Inches (in) / Centimeters (cm) Total Feet/Inches Centimeters Total Feet/Inches Centimeters Total Feet/Inches 1' 6 1' 7 1' 8 1' 9 1' 10 1' 11 2' 2' 1 2' 2 2' 3 SI Units for Length and Conversion Table These guidelines should be used as a companion document to the official version of the ICD-10-CM as published on the NCHS website. The ICD-10-CM is a morbidity classification published by the United States for classifying diagnoses and reason for visits in all health care settings. We are the United States Navy, our Nation's sea power - ready guardians of peace, victorious in war. We are professional Sailors and Civilians - a diverse and agile force exemplifying the highest standards of service to our Nation, at home and abroad, at sea and ashore. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Date METRIC CONVERSION CHART.