4 Centimeters to Inches

4 cm = 1.57 in

Exact Value

1.5748 in

Rounded

2 inches

In Feet

0.13 ft

Also equals 0.04 yards or 0.04 meters

Try Another Conversion

0
Inches

Visual Scale

0
50 inches
127 cm

Real-world comparison: About the width of a credit card

Detailed Conversion Results

Precision Levels

2 decimal places:
1.57 in
4 decimal places:
1.5748 in
6 decimal places:
1.574803 in
8 decimal places:
1.57480315 in
10 decimal places:
1.5748031496 in

Fractional Representation

Approximate fraction:4 cm ≈ 1.57 inches

Reverse Conversion

1.57 inches=4 centimeters

What is 4 CM in Real Life?

Common Applications

  • Small electronic components
  • Jewelry measurements
  • Button or coin diameter
  • Nail or screw length

Similar Measurements

  • Just under 2 inches
  • About 0.13 feet
  • Approximately 0.04 meters

How to Convert 4 CM to Inches

The Formula

Inches = Centimeters ÷ 2.54

(or Centimeters × 0.393701)

Step-by-Step Calculation

  1. 1.Start with: 4 centimeters
  2. 2.Divide by: 2.54
  3. 3.Result: 4 ÷ 2.54 = 1.5748 inches

Why 2.54?

The conversion factor 2.54 represents the exact number of centimeters in one inch, as defined by international agreement. By dividing centimeters by 2.54, we convert metric measurements to imperial inches. This conversion is precise and universally accepted across all scientific and engineering applications.

Frequently Asked Questions

4 centimeters is exactly 1.5748 inches. When rounded to two decimal places, this equals 1.57 inches. The conversion uses the standard factor where 1 inch equals exactly 2.54 centimeters.