Size Converter (CM to Inches)

Common 2D Sizes

Common 3D Sizes

CM Size Dimension Calculations In Inches

2-Dimensions

3-Dimensions

How to Use CM to Inches Converter

  1. Enter the length in centimeters in the first input field
  2. Enter the width in centimeters in the second input field
  3. Click "Convert to Inches" or press Enter
  4. Get your result instantly in inches

For quick conversions, use the "Common Sizes" buttons below the converter.

Conversion Formulas

Centimeters to Inches

1 inch = 2.54 centimeters

To convert cm to inches: inches = cm ÷ 2.54

Or simply multiply by 0.393701

Area Conversion

Square inches = square centimeters × 0.155

Square centimeters = square inches × 6.4516

Common Conversion Tables

Centimeters Inches Common Use
2.54 cm 1" Standard measurement
30.48 cm 12" One foot
21 cm 8.27" A4 paper width
29.7 cm 11.69" A4 paper length

Sample Calculations with Common Items

Twin Bed

152.4 cm × 76.2 cm

60" × 30"

TV Screen (55")

121.9 cm × 68.6 cm

48" × 27"

Common Applications

Furniture Dimensions

Understanding furniture dimensions is crucial for home planning. Common furniture items that require size conversion include:

TV and Monitor Sizes

Display sizes are often measured diagonally in inches, but room planning requires width and height in local units:

Home Improvement

Construction and renovation often require converting between metric and imperial measurements:

Area and Volume Calculations

Area Formulas

Rectangle: Area = length × width

Square: Area = side2

Circle: Area = p × radius2

Volume Formulas

Cube: Volume = side3

Rectangular Box: Volume = length × width × height

Cylinder: Volume = p × radius2 × height

CM to Inches Converter

Common Sizes

CM to Inches Formula

1 centimeter = 0.393701 inches

To convert: multiply centimeters by 0.393701

CM Size = Dimension Units Converter

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