Centimeters to Inches (cm to in) Converter

Centimeters to Inches

Converting centimeters to inches bridges the metric and imperial systems for body measurements. Whether you are shopping for clothes from US retailers, filling forms that ask for imperial units, or curious about your height in feet and inches, this converter does the math instantly.

One inch equals exactly 2.54 cm. To go from cm to inches you divide by 2.54 — a precise, internationally fixed ratio, not an approximation.

Common Use Cases

International Shopping

US clothing lists waist, chest, and inseam in inches. Convert your cm measurements to match the size chart.

Height on Forms

Dating apps, driver's licenses, and medical forms in the US use feet and inches — translate your cm height to fit.

Communicating Size

Describe your height or measurements to people who think in the imperial system.

How to Use This Converter

Enter centimeters

Type your value in the top field. The result in inches appears instantly below as you type.

Read the inches

The converted value is shown immediately — no button to press, no waiting.

Copy or swap

Use a field's copy button to grab just the number, or tap swap to convert inches back to cm.

Conversion Formula

inches = cm ÷ 2.54 • Example: 170 cm ÷ 2.54 = 66.93 in ≈ 5 ft 7 in.

Turning Inches into Feet and Inches

For height you usually want feet and inches. Take the total inches, divide by 12 for the whole feet, and the remainder is the inches.

175 cm ÷ 2.54 = 68.9 inches
68 ÷ 12 = 5 feet, with 8.9 inches left over
So 175 cm ≈ 5'9"

Features

Instant As-You-Type Results

The result updates the moment you enter a number — no button to press, no page reload.

One-Click Swap

The swap button between the two fields reverses the direction instantly, so you can convert back without retyping.

Copy Without the Unit

Each field has its own copy button that grabs only the number, ready to paste into forms, spreadsheets, or documents.

Searchable Unit Picker

Each dropdown has a search box — switch to any other length unit and use it as a general-purpose converter.

Body Measurement Tips

Clothing Measurements

Measure chest at the fullest part, waist at the natural waistline, and inseam from crotch to ankle — then convert to match US size charts.

Quick Height Reference

170 cm ≈ 5'7", 175 cm ≈ 5'9", 180 cm ≈ 5'11". The reference table under the tool lists common heights.

Your measurements stay private. Body measurements are personal — every conversion happens in your browser and nothing is stored or tracked.

Frequently Asked Questions

How many inches is 170 cm?

170 cm equals about 66.93 inches, or roughly 5 feet 7 inches (5'7") — a common adult height worldwide.

How do I convert cm to feet and inches?

Divide cm by 2.54 to get total inches, then divide that by 12. The whole number is feet and the remainder is inches. Example: 180 cm ÷ 2.54 = 70.87 in; 70 ÷ 12 = 5 ft with about 11 in, so ≈ 5'11".

Why do US size charts use inches?

The United States, along with Liberia and Myanmar, has not adopted the metric system for everyday use. American clothing, furniture, and construction default to inches.

How accurate is the conversion?

It uses the exact factor 1 inch = 2.54 cm, the international standard since 1959, so the result is mathematically precise.

Centimeters to Inches