Inches to Centimeters Converter
📚 Examples, Formula, and How To
📝 Inches to Centimeters Formula
Inches to Centimeters
Centimeters = Inches × 2.54To convert inches to centimeters, multiply the inch value by 2.54. This conversion factor is based on the exact international definition.
Centimeters to Inches
Inches = Centimeters ÷ 2.54To convert centimeters to inches, divide the centimeter value by 2.54. This is the inverse of the inches to centimeters conversion.
💡 Converting Inches to Centimeters
Example 1
Convert: 6 inches to centimeters
Start with the conversion formula: Centimeters = Inches × 2.54
Substitute the value: Centimeters = 6 × 2.54
Calculate: 6 × 2.54 = 15.24
Example 2
Convert: 12 inches to centimeters
Start with the conversion formula: Centimeters = Inches × 2.54
Substitute the value: Centimeters = 12 × 2.54
Calculate: 12 × 2.54 = 30.48
Example 3
Convert: 25 centimeters to inches
Start with the conversion formula: Inches = Centimeters ÷ 2.54
Substitute the value: Inches = 25 ÷ 2.54
Calculate: 25 ÷ 2.54 = 9.842
📊 Inches to Centimeters Conversion Table
Common Inches to Centimeters Conversions
| Inches | Centimeters |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.70 cm |
| 6 in | 15.24 cm |
| 8 in | 20.32 cm |
| 10 in | 25.40 cm |
| 12 in | 30.48 cm |
| 15 in | 38.10 cm |
| 18 in | 45.72 cm |
| 24 in | 60.96 cm |
| 36 in | 91.44 cm |
All values are rounded to 4 decimal places for practical use
⚙️ How to Convert Inches to Centimeters
Conversion Formula
Multiply inches by 2.54 to get centimeters, or divide centimeters by 2.54 to get inches
The conversion factor 2.54 is exact by international definition.
Common Applications
Perfect for international measurements, crafts, and engineering
Use for product dimensions, technical drawings, and travel measurements.
📚 What are Inches and Centimeters?
📏 Inch(in)
Definition:
An inch is a unit of length in the imperial and US customary systems. It is equal to exactly 2.54 centimeters.
History:
Originally based on the width of an adult thumb. The modern definition was standardized in 1959 when the international inch was defined as exactly 2.54 centimeters.
Common Uses:
- Screen sizes for phones, tablets, and TVs
- Paper sizes and printing dimensions
- Construction measurements in the US
- Crafting and sewing patterns
- Body measurements (height, waist, etc.)
Fun Fact:
The word 'inch' comes from the Latin 'uncia' meaning 'one-twelfth part' because it was 1/12 of a foot. King Edward II of England defined the inch as 'three grains of barley, dry and round, placed end to end lengthwise' in 1324!
📏 Centimeter(cm)
Definition:
A centimeter is a unit of length in the metric system. It is equal to one hundredth of a meter or exactly 0.3937 inches.
History:
Introduced in 1795 as part of the metric system during the French Revolution. The prefix 'centi' means one hundredth.
Common Uses:
- Body measurements and medical records worldwide
- Product dimensions in international commerce
- Scientific measurements and laboratory work
- School rulers and educational materials
- Clothing sizes in most countries
Fun Fact:
A centimeter is roughly the width of a paperclip or the diameter of a AAA battery. If you lined up 100 centimeters, you'd have exactly one meter - the distance light travels in 1/299,792,458 of a second!