Inch → Centimeter
1 in = 2.54 cm. Convert inches to centimeters instantly with this free online tool.
1 in = 2.54 cm
Inch to Centimeter Conversion Table
| Inch (in) | Centimeter (cm) |
|---|---|
| 1 | 2.54 |
| 5 | 12.7 |
| 10 | 25.4 |
| 25 | 63.5 |
| 50 | 127 |
| 100 | 254 |
| 500 | 1,270 |
| 1000 | 2,540 |
Inch to Centimeter Formula
1 in = 2.54 cm
Nominal vs Actual Lumber Sizes
| Nominal | Actual (in) | Actual (mm) |
|---|---|---|
| 1×2 | 3/4" × 1-1/2" | 19 × 38 |
| 1×4 | 3/4" × 3-1/2" | 19 × 89 |
| 1×6 | 3/4" × 5-1/2" | 19 × 140 |
| 2×2 | 1-1/2" × 1-1/2" | 38 × 38 |
| 2×4 | 1-1/2" × 3-1/2" | 38 × 89 |
| 2×6 | 1-1/2" × 5-1/2" | 38 × 140 |
| 2×8 | 1-1/2" × 7-1/4" | 38 × 184 |
| 2×10 | 1-1/2" × 9-1/4" | 38 × 235 |
| 2×12 | 1-1/2" × 11-1/4" | 38 × 286 |
| 4×4 | 3-1/2" × 3-1/2" | 89 × 89 |
| 6×6 | 5-1/2" × 5-1/2" | 140 × 140 |
About Inch and Centimeter
What is a Inch?
An inch is 1/12 of a foot and exactly 25.4 millimeters, widely used in the United States and United Kingdom for everyday measurements. The width of an adult thumb is approximately 1 inch.
What is a Centimeter?
A centimeter is one hundredth of a meter (0.01 m) and equals 10 millimeters. A standard pencil is about 19 cm long.
When to convert Inch to Centimeter
Converting inches to centimeters is common when working with imperial measurements alongside metric specifications. For example, specifying lumber dimensions like 2×4 boards. Use centimeters for everyday metric measurements between 1 cm and 1 m, such as furniture depth or shelf spacing.
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