Height Converter: cm to Feet and Inches

Read the unit beside the original measurement rather than guessing from the size of the number. Choose centimetres for 175 cm, metres for 1.75 m, total inches for 69 in, and decimal feet for 5.75 ft. For mixed notation such as 5′9″ or 5 ft 9 in, choose feet and inches, then enter 5 and 9 in the separate fields.

Results appear automatically when the input is valid. To change units, select a new format; the converter keeps your current valid height. If an entry is incomplete or invalid, enter it again after switching. In feet-and-inches mode, fill both fields: exactly 6 feet is 6 and 0.

The total must equal 0.1–300 cm. This is the tool’s input range, not a normal-height range. Decimals are accepted except in the whole-feet field.

• Choose the unit on the original record and enter numbers only, without cm, ft or quotation marks.
• Read the result for the destination unit, distinguishing total inches from feet and inches.
• Use a row in the common-height table to load that value, or reset the example to 175 cm.
• A valid result can be copied, exported as a result card, or sent to the height comparison scene using the comparison link.

One international inch is exactly 2.54 cm. One foot contains exactly 12 inches, so one international foot is exactly 30.48 cm. Metres and centimetres are related by a factor of 100. These fixed factors work for any length, including standing height.

To convert mixed feet and inches, first multiply the whole feet by 12 and add the remaining inches. Multiply the total by 2.54 to obtain centimetres. To go back, divide centimetres by 2.54, take each full group of 12 inches as one foot, and keep the remainder as inches. Use the number of complete feet rather than rounding the total feet to the nearest integer first.

For decimal feet, divide centimetres by 30.48. For metres, divide centimetres by 100. Each result is calculated from the original input, avoiding a chain of rounded conversions.

• From total inches: cm = total inches × 2.54.
• From decimal feet: cm = decimal feet × 30.48.
• From centimetres: whole feet = total inches ÷ 12, rounded down; remaining inches = total inches − whole feet × 12.

Start with 175 cm: 175 ÷ 100 = 1.75 metres, and 175 ÷ 2.54 ≈ 68.8976378 total inches. That contains 5 complete groups of 12 inches, leaving 68.8976378 − 5 × 12 ≈ 8.8976378 inches. The screen therefore shows about 5 feet 8.90 inches. Dividing directly, 175 ÷ 30.48 ≈ 5.7414698, gives the displayed decimal-feet value of 5.7415.

In the other direction, start with 5 feet 9 inches: 5 × 12 + 9 = 69 total inches, then 69 × 2.54 = 175.26 cm. The equivalent metres are 1.7526, and the decimal feet are 69 ÷ 12 = 5.75. This shows why 175 cm is close to 5 feet 9 inches without being exactly equal.

Compare the two examples in the table. “About” marks a rounded result; 5 feet 9 inches equals exactly 175.26 cm.

The digits after the decimal point in decimal feet represent fractions of a foot. Since a foot has 12 inches, 0.9 ft is 10.8 inches. Therefore 5.9 ft equals 5 ft 10.8 in, or 179.832 cm. In contrast, 5 ft 9 in equals 69 total inches, or 175.26 cm.

For a height written 5′9″, choose feet and inches and enter 5 and 9 in the separate fields. For a value explicitly labelled 5.9 ft, choose decimal feet. Do not join feet and inches with a decimal point: 5 feet 10 inches cannot be written as 5.10 decimal feet, which is simply 5.1 feet.

In this converter, extra inches carry into feet: 5 ft 12 in becomes 6 ft 0 in. Negative values are not accepted. If the original says only “5.9” without a unit, check its meaning before converting.

Use the reference table when reading sports profiles, character descriptions or overseas height notation. The rows show equivalent lengths, not average or recommended heights. “Total inches” covers the full height; mixed notation separates whole feet and remaining inches.

For example, 180 cm is approximately 5 feet 10.87 inches, 70.87 total inches or 5.9055 decimal feet. Choose the column that matches the destination form. If the height you need is absent, enter it into the calculator rather than estimating between adjacent rows.

A converted value can have many decimal places without representing a more precise measurement. If a height was measured to the nearest centimetre, expressing it to hundredths of an inch is useful for calculation but does not make the original reading more accurate. Use the amount of precision that your form or task actually needs.

This tool calculates with the entered value and rounds only the displayed results: up to 2 decimal places for centimetres, total inches and the inches in mixed notation, and up to 4 for metres and decimal feet. Feet-and-inches display uses a normalized total. If rounding produces 12 inches, it carries into the next foot, so a result close to 6 ft appears as 6 ft 0 in instead of 5 ft 12 in.

Re-entering a rounded screen value may not recover the original exactly. For example, 175 cm displays as approximately 5 feet 8.90 inches. Converting that displayed value back gives 175.006 cm, a difference of 0.006 cm caused by keeping 2 decimal places of inches. If you round further to 5 feet 9 inches, the return value is 175.26 cm. Keep the original measurement to avoid accumulating rounding differences through repeated manual conversions.

• 175 cm is approximately 5 ft 8.90 in, or 68.90 total inches.
• 180 cm is approximately 5 ft 10.87 in, or 5.9055 decimal feet.
• 6 ft 0 in is exactly 182.88 cm.

Height units vary across health records, sports profiles, clothing guides and everyday conversation. Check whether a form asks for centimetres, total inches, decimal feet or separate feet and inches before copying a result. When the unit is printed beside an input, it usually needs the number alone; when sharing the full measurement, include the unit.

For separate ft and in fields, copy whole feet and remaining inches. A single ft field may ask for decimal feet; check its instructions. If only whole numbers are accepted, follow that form’s rounding rules.

For a personal height comparison, measure on a level floor, remove shoes and use a consistent posture. Changing units cannot correct measurement error. This tool does not estimate adult height, interpret growth or assign a health category. You can send a valid result to the comparison scene, but the displayed proportions cannot add precision to the original measurement.

The most common issue is selecting the wrong unit. Entering 175 in metres means 17500 cm, beyond the tool's range. Entering 1.75 in centimetres is valid but means only 1.75 cm, not the usual height notation of 1.75 metres. The tool can check numerical limits, but it cannot know which original unit you intended.

Next check for blank fields, negative numbers or decimal feet entered in the whole-feet field. In mixed mode, 0 is valid but a blank is not the same as 0: enter 6 and 0 explicitly for exactly 6 feet. Inches may include decimals and values over 12 will carry normally, as long as the total height remains within the allowed range.

Do not paste “5 ft 9 in” or “5′9″” into one numeric field. Choose feet and inches, then enter 5 and 9 separately. Use a decimal point for values such as 8.5. Small differences from another site often come from rounding or different interpretations of feet notation.

• Check the original unit first, the number second and the destination unit last.
• The valid range applies to the total length; it does not require every individual field to be between 0.1 and 300.
• If a measured height seems implausible, measure again rather than trying to correct it by changing units.
• If a source omits the unit or uses ambiguous notation, confirm its meaning before converting.