Centimeters to Inches Converter

How to Convert Centimeters to Inches

To convert centimeters to inches, multiply the number of centimeters by 0.393701.

Worked Examples

• 1 centimeter = 1 × 0.3937 = 0.393701 in
• 5 centimeters = 5 × 0.3937 = 1.968504 in
• 12 centimeters = 12 × 0.3937 = 4.724409 in
• 36 centimeters = 36 × 0.3937 = 14.173228 in

Why Convert Centimeters to Inches?

• Reading a height in centimeters (e.g., 175 cm) and translating it to the feet-and-inches format common in the US
• Adapting European furniture dimensions to fit a US room measured in inches
• Translating fabric or wallpaper widths from metric retailers to imperial yardage calculations
• Converting body measurements taken at a metric clinic for a US tailoring or shopping context
• Comparing camera sensor sizes, watch case diameters, and other electronics specs across catalogs

Centimeters to Inches Conversion Table

Quick Reference: Centimeters to Inches

The most-searched conversion values for this pair, summarised for quick lookup:

What Is a Centimeter?

A centimeter is a metric unit of length equal to one hundredth (1/100) of a meter, widely used for everyday measurements worldwide.

The centimeter was introduced with the metric system after the French Revolution as part of a decimal-based effort to unify trade and science. Although not an SI base unit (the meter is), the centimeter became the practical workhorse for human-scale measurements once the metric system spread across Europe, Asia, and Latin America during the 19th and 20th centuries.

In everyday use: Centimeters are the default unit for measuring body dimensions (height, waist, chest), clothing sizes in most of the world, school stationery, and the height of children at pediatric checkups. Rulers in the metric world are usually graduated in centimeters with millimeter subdivisions.

The centimeter symbol is cm.

What Is an Inch?

An inch is a unit of length equal to exactly 25.4 millimeters, defined in 1959 as part of the international yard and pound agreement.

The inch traces back to early English measurement, originally tied to the width of a human thumb or three barleycorns laid end-to-end. After centuries of regional variation, the international inch was standardized in 1959 by an agreement among English-speaking countries to exactly 25.4 millimeters, replacing the slightly different US survey inch for most purposes.

In everyday use: Inches are the standard unit for screen sizes (a 15-inch laptop), TV diagonals, paper formats in the US, plumbing pipe diameters, and clothing dimensions like waistlines and shoe insoles. They remain dominant in US construction, woodworking, and any industry that grew around imperial drawings.

The inch symbol is in.

Precision and Accuracy

The exact reciprocal of 2.54 gives 1 cm = 0.393701 in (to six decimals). The factor is exact by definition; the rounded display value is the only source of approximation.

For most everyday purposes — recipes, room sizing, shopping — four decimal places of precision are more than enough. Engineering and scientific work may require additional digits or scientific notation for very small or very large results.

Common Centimeters to Inches Conversions