Inches to Centimeters Converter

Convert Inches (in) to Centimeters (cm).

2.54cm

About Inches to Centimeters Converter

The Inches to Centimeters converter is a fundamental tool for anyone working across international borders or converting between imperial and metric measurement systems. Centimeters are the standard unit of length in the metric system, used by most countries worldwide for everyday measurements, technical specifications, and design work. This converter is essential for designers working with international clients, manufacturers coordinating between US and global suppliers, students learning measurement systems, and anyone needing accurate conversions between inches and centimeters.

Formula

Centimeters = Inches × 2.54

Examples

1 inch = 2.54cm
5 inches = 12.7cm
10 inches = 25.4cm

Reference

  • 1 inch = 2.54 centimeters (exactly)
  • 1 centimeter = 0.393701 inches
  • Metric system standard unit
  • Used internationally for most measurements

Frequency Asked Questions

Is the inches to centimeters conversion exact?

Yes, 1 inch is defined as exactly 2.54 centimeters. This is the international standard definition, making conversions perfectly accurate.

Which countries use centimeters?

Almost all countries worldwide use centimeters as a part of the metric system. The US, Liberia, and Myanmar are the primary countries still using inches.

How do I convert centimeters back to inches?

Divide the centimeter value by 2.54: Inches = Centimeters ÷ 2.54. For example, 10 cm = 10 ÷ 2.54 = 3.937 inches.

What's easier to use, inches or centimeters?

Centimeters are part of the metric system, which uses base-10 conversion (easier mental math). Inches use fractional divisions (1/2, 1/4, 1/8) familiar to US users.