Inches to centimeters converter
Convert inches to centimeters instantly with a fast in to cm calculator.
About converting inches to centimeters
A common format switch in product sizing
Inches are widely used for screens, furniture, tools, and personal measurements, while centimeters are more common in international sizing charts and product specifications. That makes inches to cm one of the most practical length conversions online. It helps when the source measurement is written in inches but the destination system, room plan, or order form uses metric values.
Conversion formula
The relationship is exact: multiply inches by 2.54 to get centimeters. Because one inch is defined as exactly 2.54 cm, this is a stable conversion rather than an estimate. A 10-inch measurement becomes 25.4 cm, 24 inches becomes 60.96 cm, and 72 inches becomes 182.88 cm. That exactness is especially useful for layouts and fit checks.
Common inches to cm values
Many everyday examples sit right in this range. A 13-inch laptop screen is 33.02 cm. A 30-inch countertop depth is 76.2 cm. A 75-inch television translates to 190.5 cm. These are the types of values that come up when comparing global product listings or translating measurements for home and office planning.
When it is useful
This converter is handy for ecommerce, interior planning, DIY work, and print or display sizing. Instead of mentally approximating, you can move directly from a familiar inch-based number to a metric measurement that is easier to compare with local tools and specifications. That saves time and reduces the chance of ordering or measuring against the wrong unit system.
Formula
live referenceUse the same conversion rule shown below in the widget, examples, and table on this page.
centimeter = inch x 2.54
12 in x 2.54 = 30.48 cm
Example conversions
30 presetsQuick reference values for the most common inches to centimeters lookups.
1 in
2.54 cm
2 in
5.08 cm
3 in
7.62 cm
4 in
10.16 cm
5 in
12.7 cm
6 in
15.24 cm
8 in
20.32 cm
10 in
25.4 cm
12 in
30.48 cm
14 in
35.56 cm
16 in
40.64 cm
18 in
45.72 cm
20 in
50.8 cm
24 in
60.96 cm
30 in
76.2 cm
36 in
91.44 cm
40 in
101.6 cm
48 in
121.92 cm
60 in
152.4 cm
72 in
182.88 cm
80 in
203.2 cm
84 in
213.36 cm
96 in
243.84 cm
100 in
254 cm
120 in
304.8 cm
144 in
365.76 cm
180 in
457.2 cm
200 in
508 cm
240 in
609.6 cm
300 in
762 cm
Conversion table
30 rows| in | cm |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 14 in | 35.56 cm |
| 16 in | 40.64 cm |
| 18 in | 45.72 cm |
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 40 in | 101.6 cm |
| 48 in | 121.92 cm |
| 60 in | 152.4 cm |
| 72 in | 182.88 cm |
| 80 in | 203.2 cm |
| 84 in | 213.36 cm |
| 96 in | 243.84 cm |
| 100 in | 254 cm |
| 120 in | 304.8 cm |
| 144 in | 365.76 cm |
| 180 in | 457.2 cm |
| 200 in | 508 cm |
| 240 in | 609.6 cm |
| 300 in | 762 cm |
About this converter
tool notesLength conversions become useful the moment measurements cross regions, products, or industries. A listing might show centimeters, a builder may think in feet, and a race route could be described in miles or kilometers depending on the audience. This hub keeps those common length lookups in one place so you can move from a quick conversion to a dedicated page with examples and reference values. It is especially handy for product dimensions, room planning, travel distances, DIY work, and any situation where metric and imperial units keep colliding.
How many centimeters are in 1 inch?
1 inch equals exactly 2.54 centimeters.
What is the formula to convert inches to centimeters?
Multiply inches by 2.54 to convert them to centimeters.
Why is inches to cm conversion exact?
Because the inch is officially defined as exactly 2.54 centimeters.
When is inches to cm conversion most useful?
It is useful for product dimensions, furniture fit, screen sizes, clothing charts, and home measurements.