Centimeter (cm)
A centimeter is one hundredth of a meter, sitting between the millimeter and the meter on the metric scale.
Centimeters are common on rulers, in clothing and body measurements worldwide, and in school science labs.
Centimeter to Inch
Convert centimeter to inch instantly. Type in either field — results update live.
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Length Centimeter Inch
1 centimeter = 0.3937007874 inches
Unit
Unit
Conversion table
Selected cm values converted to in using the exact factor from this tool.
| cm | in |
|---|---|
| 0.01 | 0.0039370079 |
| 0.1 | 0.0393700787 |
| 1 | 0.3937007874 |
| 2 | 0.7874015748 |
| 3 | 1.1811023622 |
| 5 | 1.968503937 |
| 10 | 3.937007874 |
| 20 | 7.874015748 |
| 50 | 19.6850393701 |
| 100 | 39.3700787402 |
| 1,000 | 393.7007874016 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 cm = 0.3937007874 in
1 in = 2.54 cm
To convert centimeter to inch, multiply by 0.3937007874.
To convert inch to centimeter, multiply by 2.54.
Example: convert 15 cm to in
15 × 0.3937007874 = 5.905511811 in
About these units
Short background on the units used in this conversion.
Inch (in)
An inch is a unit in US customary and imperial measure, standardized internationally as exactly 2.54 centimeters.
Inches dominate screen sizes, lumber dimensions, and everyday measuring tapes in the United States.
Frequently asked questions
How many inches are in a centimeter?
One centimeter equals 0.3937007874 inches (often rounded to 0.3937 in). To convert, multiply centimeters by 0.3937007874, or divide inches by 2.54 to go the other way.
What is the formula for cm to inches?
inches = centimeters ÷ 2.54Because the inch is defined as exactly 2.54 cm, the conversion factor is precise — not an approximation.
How tall is 180 cm in feet and inches?
180 cm is about 70.87 inches, or roughly 5 feet 11 inches (5′11″). Useful when comparing body height between metric and US customary units.
Is my conversion data private?
Yes. Every calculation runs locally in your browser. Values you type are never sent to a server.
All centimeter conversions
Jump to any length conversion starting from centimeter — including the reverse direction and every other unit in our dataset.
inch (in) → centimeter (cm)
centimeter (cm) → kilometer (km)centimeter (cm) → meter (m)centimeter (cm) → decimeter (dm)centimeter (cm) → millimeter (mm)centimeter (cm) → micrometer (µm)centimeter (cm) → nanometer (nm)centimeter (cm) → mile (mi)centimeter (cm) → yard (yd)centimeter (cm) → foot (ft)centimeter (cm) → light year (ly)centimeter (cm) → exameter (Em)centimeter (cm) → petameter (Pm)centimeter (cm) → terameter (Tm)centimeter (cm) → gigameter (Gm)centimeter (cm) → megameter (Mm)centimeter (cm) → hectometer (hm)centimeter (cm) → dekameter (dam)centimeter (cm) → micron (µ)centimeter (cm) → picometer (pm)centimeter (cm) → femtometer (fm)centimeter (cm) → attometer (am)centimeter (cm) → megaparsec (Mpc)centimeter (cm) → kiloparsec (kpc)centimeter (cm) → parsec (pc)centimeter (cm) → astronomical unit (AU)centimeter (cm) → league (lea)centimeter (cm) → nautical league (uk)centimeter (cm) → nautical league (int.)centimeter (cm) → league (statute) (st.league)centimeter (cm) → nautical mile (uk) (NM-UK)centimeter (cm) → nautical mile (international) (nmi)centimeter (cm) → mile (statute)centimeter (cm) → mile (us survey)centimeter (cm) → mile (roman) (mi-Roman)centimeter (cm) → kiloyard (kyd)centimeter (cm) → furlong (fur)centimeter (cm) → furlong (us survey)centimeter (cm) → chain (ch)centimeter (cm) → chain (us survey)centimeter (cm) → ropecentimeter (cm) → rod (rd)centimeter (cm) → rod (us survey)centimeter (cm) → perchcentimeter (cm) → polecentimeter (cm) → fathom (fath)centimeter (cm) → fathom (us survey)centimeter (cm) → ellcentimeter (cm) → foot (us survey)centimeter (cm) → link (li)centimeter (cm) → link (us survey)centimeter (cm) → cubit (uk)centimeter (cm) → handcentimeter (cm) → span (cloth)centimeter (cm) → finger (cloth)centimeter (cm) → nail (cloth)centimeter (cm) → inch (us survey)centimeter (cm) → barleycorncentimeter (cm) → milcentimeter (cm) → microinch (µin)centimeter (cm) → angstrom (Å)centimeter (cm) → a.u. of lengthcentimeter (cm) → x-unit (X)centimeter (cm) → fermi (F)centimeter (cm) → arpentcentimeter (cm) → picacentimeter (cm) → point (pt)centimeter (cm) → twipcentimeter (cm) → alncentimeter (cm) → famncentimeter (cm) → caliber (cl)centimeter (cm) → centiinch (cin)centimeter (cm) → kencentimeter (cm) → russian archin (archin)centimeter (cm) → roman actus (actus)centimeter (cm) → vara de tareacentimeter (cm) → vara conuqueracentimeter (cm) → vara castellanacentimeter (cm) → cubit (greek)centimeter (cm) → long reedcentimeter (cm) → reedcentimeter (cm) → long cubitcentimeter (cm) → handbreadthcentimeter (cm) → fingerbreadthcentimeter (cm) → planck lengthcentimeter (cm) → electron radius (classical) (re)centimeter (cm) → bohr radius (b)centimeter (cm) → earth's equatorial radius (R⊕eq)centimeter (cm) → earth's polar radius (R⊕pol)centimeter (cm) → earth's distance from suncentimeter (cm) → sun's radius