cm to Feet Converter

If a profile, passport, or fitness app lists your height as 170 cm and you need it in feet, this cm to feet converter gives you the answer in one step: 5 feet 6.9 inches, or about 5.58 decimal feet. Centimeters are the standard height unit almost everywhere in the world, but the United States still uses feet and inches - so converting between the two is one of the most common everyday measurement tasks there is. This page does the conversion both ways and shows exactly how the math works.

The conversion formula

There are two useful ways to express the result. For a single number, divide by 30.48; for feet-and-inches, divide by 2.54 first:

Both formulas come from a single exact fact: 1 inch = 2.54 cm. Since a foot is 12 inches, one foot equals exactly 30.48 cm, and a single centimeter equals about 0.0328084 feet. Because these factors are exact (not approximations), the only error in any answer comes from rounding the display, not from the conversion itself.

A worked example: 170 cm

Take 170 cm and follow the steps. First, total inches: 170 ÷ 2.54 = 66.93 inches. Next, whole feet: floor(66.93 ÷ 12) = floor(5.58) = 5 feet. Finally, the leftover inches: 66.93 − (5 × 12) = 66.93 − 60 = 6.93 inches. So 170 cm is 5 feet 6.9 inches, which rounds to 5 ft 7 in for everyday use. In decimal form it is 170 ÷ 30.48 = 5.58 feet.

How to use this converter

The tool is bidirectional, so you can start from either unit:

1. Have centimeters? Type the value into the "Centimeters" field. The feet and inches fields update as you type.
2. Have feet and inches? Type the feet into one field and the inches into the other; the centimeter value updates instantly.
3. Use the quick chips (160, 170, 180, 190 cm) to jump to common heights without typing.
4. Read the result card for feet and inches up top, plus decimal feet, total inches, and meters underneath.
5. Check the steps if you want to see exactly how the number was derived, or the reference table to compare nearby heights.

There is no "calculate" button - every keystroke recalculates immediately, so you can sweep through a range of values to find what you need.

Who this converter is for

Converting between centimeters and feet comes up far more often than you might expect. This tool is built for:

• People filling out US forms - visas, licenses, gym sign-ups, and medical paperwork that ask for height in feet and inches.
• Travelers and expats moving between metric and imperial countries who need a quick mental model.
• Online daters and gamers translating a profile height between the two systems.
• Parents and coaches tracking a child's or athlete's growth recorded in centimeters.
• DIY and crafts - anyone with a centimeter measurement who needs feet and inches for US-sized materials.

Key terms explained

• Centimeter (cm): one-hundredth of a meter, the base metric unit for everyday lengths like height.
• Foot (ft): an imperial unit equal to exactly 12 inches, or 30.48 cm.
• Inch (in): an imperial unit equal to exactly 2.54 cm; there are 12 in a foot.
• Decimal feet: a height written as a single number with a fraction, like 5.58 ft, useful for spreadsheets and arithmetic.
• Feet and inches: the everyday format where the fractional foot is split out as inches, like 5 ft 7 in.
• Floor: rounding down to the nearest whole number - used to find whole feet before working out the leftover inches.

More worked examples

165 cm: 165 ÷ 2.54 = 64.96 inches. That is floor(64.96 ÷ 12) = 5 feet, with 64.96 − 60 = 4.96 inches left over. So 165 cm is about 5 ft 5 in (5.41 decimal feet).

180 cm: 180 ÷ 2.54 = 70.87 inches. floor(70.87 ÷ 12) = 5 feet, leaving 70.87 − 60 = 10.87 inches. So 180 cm is about 5 ft 10.9 in - essentially 5 ft 11 in (5.91 decimal feet).

183 cm: 183 ÷ 2.54 = 72.05 inches. floor(72.05 ÷ 12) = 6 feet, leaving 0.05 inches. So 183 cm is just a hair over 6 ft 0 in (6.00 decimal feet). The exact six-foot mark is 182.88 cm.

Common cm to feet conversions

Here is a quick chart of the heights people search for most. Values are rounded to the nearest tenth of an inch:

Tips for accurate conversions

• Keep the remainder in inches, not feet. A common error is reading 5.58 feet as "5 feet 58 inches." The 0.58 is a fraction of a foot; multiply it by 12 to get the 6.9 inches.
• Round at the end. Do the math with full precision and round only the final answer, so small errors do not pile up.
• Remember the anchors. 30.48 cm = 1 foot and 2.54 cm = 1 inch. With those two numbers you can sanity-check any result by hand.
• Use decimal feet for math, feet-and-inches for people. Spreadsheets like 5.58; humans like 5 ft 7 in.

Why the exact factor matters

Since 1959, the inch has been internationally defined as exactly 2.54 centimeters. That definition is what makes this conversion reliable: there is no approximation buried in the constant. When you see "1 cm = 0.0328084 ft," that decimal is simply 1 ÷ 30.48 written out, and 30.48 is itself 12 × 2.54. Everything ties back to the single exact inch-to-centimeter relationship, which is why a good converter never needs to "estimate."

Common pitfalls

Most mistakes happen at the rounding stage. People often round 182.88 cm up to 183 and then treat 183 as exactly six feet, which introduces a tiny error. Others confuse the two formulas - dividing by 2.54 (which gives inches) when they wanted decimal feet (divide by 30.48). And a surprising number of charts list "5 foot 7" for everything from 168 to 172 cm because they round aggressively; this converter shows the precise value so you can decide how to round for your context.

Related concepts and conversions

Once you are comfortable with cm to feet, the same exact factors unlock related conversions. To go from feet to centimeters, multiply by 30.48. For meters to feet, multiply by 3.28084 (since a meter is 100 cm). For inches to centimeters, multiply by 2.54. And to express height as a single metric number, divide centimeters by 100 to get meters - 170 cm is 1.70 m. These all share the same 2.54 anchor, so learning one makes the rest easy.