Inches to Centimeters Converter

Convert between inches and centimeters for accurate length measurements

Length Measurement Calculator

in

Imperial unit (1 inch = 2.54 cm)

cm

Metric unit (2.54 cm = 1 inch)

Conversion Results

0.0000
Inches
0.00
Centimeters
0.0000
Feet
0.0000
Meters
0.0000
Meters
0.0000
Feet

Conversion Formula: Centimeters = Inches × 2.54

Calculation: 0" × 2.54 = 0.00 cm

Reference: This is an exact conversion - 1 inch = exactly 2.54 centimeters

Common Conversions

InchesCentimetersUsage
0.51.27Small screw
12.54Thumb width
25.08Credit card
37.62Business card
410.16Phone width
615.24Ruler length
820.32Tablet width
1025.4Standard ruler
1230.481 foot
2460.962 feet
3691.441 yard
72182.886 feet

Quick Reference

Basic Conversions

1 inch = 2.54 cm (exact)

1 cm = 0.393701 inches

1 foot = 12 inches = 30.48 cm

1 meter = 100 cm = 39.3701 inches

Common Objects

Credit card: 3.37" × 2.13"

Business card: 3.5" × 2"

A4 paper: 8.27" × 11.7"

Usage Tips

Design measurements

International shopping

Technical specifications

Length Scale Examples

📏

Paper Clip

~1.25" (3.18 cm)

💳

Credit Card

3.37" × 2.13" (8.56 × 5.41 cm)

📱

Smartphone

~6" (15.24 cm) length

📄

Letter Paper

8.5" × 11" (21.59 × 27.94 cm)

Understanding Inches and Centimeters Conversion

What are Inches and Centimeters?

Inches are part of the Imperial system commonly used in the United States, while centimeters are part of the metric system used worldwide. The exact conversion factor is 1 inch = 2.54 centimeters.

When to Use Each Unit

Use Inches For:

  • • US construction and architecture
  • • Screen sizes (TV, monitors)
  • • Paper sizes in the US
  • • Tools and hardware

Use Centimeters For:

  • • International measurements
  • • Scientific applications
  • • European product specifications
  • • Medical measurements

Conversion Formula

Centimeters = Inches × 2.54

Inches = Centimeters ÷ 2.54

Practical Examples

Screen Size Example

24-inch monitor = 24 × 2.54 = 60.96 cm

Height Example

6 feet = 72 inches = 182.88 cm

Paper Size Example

A4 paper = 21 × 29.7 cm = 8.27" × 11.7"

Detailed Conversion Table

Inches to Centimeters (Precise Values)

InchesCentimetersContext
1/4"0.635Small bolt
1/2"1.27Coin thickness
1"2.54Thumb width
6"15.24Ruler length
12"30.481 foot
24"60.96Monitor size

Centimeters to Inches (Common Values)

CentimetersInchesContext
1 cm0.394"Fingernail width
5 cm1.97"Golf ball diameter
10 cm3.94"Phone width
20 cm7.87"Tablet width
30 cm11.81"Standard ruler
100 cm39.37"1 meter