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Centimetres to Inches: Formula, Quick Table and Free Converter

Convert centimetres to inches with the exact formula, a quick reference from 1 cm to 200 cm, and practical use cases for the conversion.

Centimetres to Inches: Formula, Quick Table and Free Converter

Centimetres to Inches: The Complete Guide

Centimetres (cm) and inches (in) are the two most commonly used units for measuring height, clothing sizes, screen dimensions, and small distances. The US uses inches; most other countries use centimetres. This conversion comes up constantly in everyday life.

The Conversion Formula

inches = centimetres ÷ 2.54

One inch is defined as exactly 2.54 centimetres — this is exact by international definition, not an approximation.

Quick Reference Table

  • 1 cm = 0.394 in
  • 10 cm = 3.937 in
  • 30 cm = 11.81 in (≈ 1 foot)
  • 100 cm = 39.37 in (≈ 3 feet 3 inches)
  • 150 cm = 59.06 in (4 feet 11 inches)
  • 180 cm = 70.87 in (5 feet 11 inches)

Height Conversion Reference

  • 152 cm = 5'0"
  • 160 cm = 5'3"
  • 170 cm = 5'7"
  • 175 cm = 5'9"
  • 180 cm = 5'11"
  • 183 cm = 6'0"
  • 190 cm = 6'3"

Clothing and Screen Sizes

TV and monitor sizes are universally quoted in inches diagonally. Clothing waist, chest, and inseam measurements in US brands use inches. Shoe sizes involve a separate system but overall foot length is often given in cm vs. inches for international comparisons.

Convert any length instantly: Free cm to inches converter