cm to Inches - Centimeters to Inches Converter

Instantly convert Centimeters (cm) to Inches (in). Enter a value below to get the result, or use our reference table and formula for quick calculations.

Centimeters (cm) = Inches (in)

Centimeters to Inches Formula

To convert cm to in, use this formula:

inches = cm × 0.393701

Reverse Conversion

cm = inches × 2.54

cm to in Conversion Table

Centimeters (cm)	Inches (in)
1	0.3937
2	0.7874
5	1.9685
10	3.9370
15	5.9055
20	7.8740
25	9.8425
30	11.8110
50	19.6851
100	39.3701

Common Use Cases

📐 DIY & Home Improvement — US hardware stores sell materials in inches. Convert cm measurements from plans to inches for accurate purchases.

📱 Screen & Display Sizes — Smartphone and TV screens are measured in inches. Convert cm dimensions to inches for comparison.

👔 Clothing & Fashion — US clothing sizes often reference inches for waist, inseam, and bust measurements. Convert from cm for online shopping.

🖨️ Printing & Design — Print specifications may use either unit. Convert cm to inches for US-standard paper and print layouts.

Frequently Asked Questions

How many inches is 1 cm?

1 centimeter = 0.393701 inches (approximately 0.39 inches).

How do I convert 10 cm to inches?

10 × 0.393701 = 3.937 inches.

Is 2.54 cm exactly 1 inch?

Yes, since 1959, 1 inch has been defined internationally as exactly 2.54 centimeters.

What is 30 cm in inches?

30 cm = 11.81 inches (close to 12 inches / 1 foot).

How do I estimate cm to inches quickly?

Divide cm by 2.54. Or roughly: cm ÷ 2.5 for a quick mental estimate.

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