conversions
Inches to Centimeters
Last updated: May 31, 2026
Written by Blake Boege
A length conversion utility translating standard inches (in) into metric centimeters (cm). One international standard inch is defined as exactly 2.54 centimeters.
Convert inches to centimeters instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.
Quick Answer
Convert inches to centimeters. For example, 1 inch is exactly 2.54 centimeters.
Inches to Centimeters
Bidirectional Inches and Centimeters Converter
Compute exact conversions using standard standard parameters.
Bidirectional live updates. Enter a number in either field to convert instantly.
Answer
2.54 cm
1 in = 2.54 cm
Inches to Centimeters Reference Table
| Inches (in) | Centimeters (cm) | Description |
|---|---|---|
| 0.5 in | 1.27 cm | Half inch |
| 1 in | 2.54 cm | Exactly one standard inch |
| 2 in | 5.08 cm | Two inches |
| 6 in | 15.24 cm | Half of a foot |
| 12 in | 30.48 cm | Exactly one foot |
| 24 in | 60.96 cm | Exactly two feet |
| 36 in | 91.44 cm | Exactly three feet (1 yard) |
Examples
1 in
2.54 cm
How it works
To convert inches (in) to centimeters (cm), perform the following calculation:
Formula
cm = in × 2.54
Method
Multiply inches by 2.54 to get centimeters.
Understanding Inches and Centimeters Conversions
Converting measurements between metric and imperial scales, or relative temperature benchmarks, is essential in sciences, logistics, cooking, and daily travel. Using standard multipliers guarantees precision and alignment across different measurement systems.
Related Conversion & Metric Calculators
Explore other related converters on our site:
Related Calculators
More tools from Conversions
Frequently asked questions
Multiply the inches value by 2.54. For example, 10 inches = 10 × 2.54 = 25.4 cm.
Yes, in 1959 the International Yard and Pound Agreement standardized the inch as exactly 2.54 centimeters.
Since a foot is exactly 12 inches, it contains exactly 30.48 centimeters (12 × 2.54).
Related calculators
Conversions
How Many Ounces in a Gallon
Find out exactly how many fluid ounces are in a gallon. Use our quick converter to switch between gallons and ounces using either US customary or Imperial measurements.
Conversions
How Many Seconds in a Day
Calculate exact time intervals. Convert between days, hours, minutes, and seconds instantly, and learn the math behind standard calendar day calculations.
Conversions
How Many Quarts in a Gallon
Learn the relationship between quarts and gallons. Convert gallons to quarts and vice versa, and explore the volume differences between US and Imperial liquid systems.