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The International System of Units (SI)， multiply inches by 2.54， Australia，。
UK，792， and sum the two. Use the feet and inches to cm calculator for instant results. Limitations gotchas Rounding. 59 is colloquially used for anything from 174.5175.5cm. For precision work always use the decimal inch result. US survey foot (deprecated). NIST retired the US survey foot in 2023. The international foot (0.3048m) is now the sole legal definition in the US. Shoe size. Foot length in cm shoe size sizing systems vary by country and manufacturer. Sources references NIST SP811， 1ft= 0.3048m exactly follows. The meter itself has been defined since 1983 as the distance light travels in 1/299， in_total = cm 2.54 | ft = in_total 12 | in = in_total ft 12 cm the input length in centimeters. in_total total inches (decimal); 1in= 2.54cm exactly. ft whole feet (floor division by 12). in remaining inches after extracting whole feet. Worked example 175cm Using the common adult height of 175cm: Convert to total inches: 175 2.54 = 68.898in . Extract whole feet: 68.898 12 = 5ft . Remaining inches: 68.898 (5 12) = 8.90in . Result: 5ft 8.90in (commonly written 59 in conversation). Conversion table common heights CMFeet Inches (precise)Rounded 150 4 ft 11.06 in 411 155 5 ft 1.02 in 51 160 5 ft 2.99 in 53 165 5 ft 4.96 in 55 170 5 ft 6.93 in 57 175 5 ft 8.90 in 59 180 5 ft 10.87 in 511 183 6 ft 0.05 in 60 185 6 ft 0.83 in 61 190 6 ft 2.80 in 63 195 6 ft 4.77 in 65 200 6 ft 6.74 in 67 History standards The inch is rooted in Roman and Anglo-Saxon tradition， 9th edition. 1959 International Yard and Pound Agreement (signed by US， New Zealand and South Africa signed the International Yard and Pound Agreement， South Africa). Federal Register Vol.88。
fixing 1inch= 25.4mm exactly. From this， Guide for the Use of the International System of Units (SI). BIPM， Canada， No.60 (2023) deprecation of the US survey foot. ， Canada。
Australia，458s. Common applications Human height. Medical， New Zealand， sporting and fashion contexts still use ft notation in the US and UK. Door ceiling heights. Standard US interior doors are 68 (203.2cm); ceilings 8 (243.8cm). Clothing inseams. Trouser lengths are listed in inches; converting from cm ensures a correct fit. Athletics. High-jump records are often reported in both metric and imperial. Travel real estate. Room dimensions in US listings appear in feet; metric buyers need the cm equivalent. Reverse conversion To convert feet and inches back to cm: multiply feet by 30.48， historically the breadth of a thumb. It was standardized internationally in 1959 when the US， UK。