Inches to CM Converter
About Inches to CM Converter
Inches to Centimeters Conversion
The inch to centimeter conversion is one of the most commonly needed unit conversions. One inch is defined as exactly 2.54 centimeters. This conversion is essential for screen sizes, body measurements, craft projects, hardware dimensions, and any situation where you need to translate between imperial and metric length units. The conversion factor is exact by definition since 1959.
The Conversion Formula
Inches to CM: Multiply inches by 2.54. CM to Inches: Divide centimeters by 2.54 (or multiply by 0.3937). For example, 12 inches = 30.48 cm, and 100 cm = 39.37 inches. The converter also handles fractions: 5 and 3/8 inches = 13.6525 cm.
How to Use This Converter
Enter a value in inches or centimeters and click Convert. The result shows the converted value along with a reference table of common conversions.
Frequently Asked Questions
How many cm is 1 inch?
One inch is exactly 2.54 centimeters. This is a defined international standard.
How do I convert fractional inches?
Convert the fraction to a decimal first, then multiply by 2.54. Example: 3/8 inch = 0.375 inches = 0.9525 cm.
What is 5 foot 10 in cm?
5 foot 10 = 70 inches = 177.8 cm. Convert feet to inches first (multiply by 12), add remaining inches, then multiply total by 2.54.
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