Inch to CM is a simple calculator that helps you convert inches into centimeters instantly.
This online tool is useful for height, furniture, screen sizes, and everyday measurements.
Get accurate results based on the standard formula 1 inch = 2.54 cm.
Inch to CM Calculator
Inch to CM Calculator
To convert inches into centimeters, simply use the standard formula:
centimeters = inches × 2.54. This calculator applies the formula instantly so you get fast and accurate results.
For example: 10 inches × 2.54 = 25.4 cm. You can use the same method for any other measurement—just enter the number of inches and multiply by 2.54.
Inch to CM Conversion Table
Use this quick reference chart to convert common values from inches to centimeters.
Every result is based on the fixed formula 1 inch = 2.54 cm.
| Inches | Centimeters |
|---|---|
| 1 inch | 2.54 cm |
| 2 inches | 5.08 cm |
| 3 inches | 7.62 cm |
| 5 inches | 12.7 cm |
| 10 inches | 25.4 cm |
| 12 inches | 30.48 cm |
| 15 inches | 38.1 cm |
| 20 inches | 50.8 cm |
| 30 inches | 76.2 cm |
Popular Inch to CM Conversions
Quick answers for the most searched inch to centimeter conversions:
- 18 inches = 45.72 cm
- 35 inches = 88.9 cm
- 38 inches = 96.52 cm
- 5 ft 1 in = 154.94 cm
- 70 inches = 177.8 cm
- 100 inches = 254 cm
Units & Quick Formulas
| Unit | Symbol | Exact in centimeters |
|---|---|---|
| Inch | in | 2.54 cm |
| Foot | ft | 30.48 cm |
| Yard | yd | 91.44 cm |
| Meter | m | 100 cm |
Height Conversion (Feet + Inches → Centimeters)
From 4′0″ to 7′0″ in 1-inch steps.
| Feet & Inches | Total (in) | Centimeters |
|---|---|---|
| 4′ 0″ | 48 in | 121.92 cm |
| 4′ 1″ | 49 in | 124.46 cm |
| 4′ 2″ | 50 in | 127.00 cm |
| 4′ 3″ | 51 in | 129.54 cm |
| 4′ 4″ | 52 in | 132.08 cm |
| 4′ 5″ | 53 in | 134.62 cm |
| 4′ 6″ | 54 in | 137.16 cm |
| 4′ 7″ | 55 in | 139.70 cm |
| 4′ 8″ | 56 in | 142.24 cm |
| 4′ 9″ | 57 in | 144.78 cm |
| 4′ 10″ | 58 in | 147.32 cm |
| 4′ 11″ | 59 in | 149.86 cm |
| 5′ 0″ | 60 in | 152.40 cm |
| 5′ 1″ | 61 in | 154.94 cm |
| 5′ 2″ | 62 in | 157.48 cm |
| 5′ 3″ | 63 in | 160.02 cm |
| 5′ 4″ | 64 in | 162.56 cm |
| 5′ 5″ | 65 in | 165.10 cm |
| 5′ 6″ | 66 in | 167.64 cm |
| 5′ 7″ | 67 in | 170.18 cm |
| 5′ 8″ | 68 in | 172.72 cm |
| 5′ 9″ | 69 in | 175.26 cm |
| 5′ 10″ | 70 in | 177.80 cm |
| 5′ 11″ | 71 in | 180.34 cm |
| 6′ 0″ | 72 in | 182.88 cm |
| 6′ 1″ | 73 in | 185.42 cm |
| 6′ 2″ | 74 in | 187.96 cm |
| 6′ 3″ | 75 in | 190.50 cm |
| 6′ 4″ | 76 in | 193.04 cm |
| 6′ 5″ | 77 in | 195.58 cm |
| 6′ 6″ | 78 in | 198.12 cm |
| 6′ 7″ | 79 in | 200.66 cm |
| 6′ 8″ | 80 in | 203.20 cm |
| 6′ 9″ | 81 in | 205.74 cm |
| 6′ 10″ | 82 in | 208.28 cm |
| 6′ 11″ | 83 in | 210.82 cm |
| 7′ 0″ | 84 in | 213.36 cm |
Inch, Centimeter & Foot – Quick Comparison
| Unit | Symbol | Exact relation | In centimeters |
|---|---|---|---|
| Inch | in | — | 2.54 cm |
| Foot | ft | 1 ft = 12 in | 30.48 cm |
| Centimeter | cm | 1 m = 100 cm | — |
Why Do People Use Inches and Centimeters Differently?
The inch (in) and the centimeter (cm) are both units of length, but they belong to different measurement systems.
Countries like the United States and the United Kingdom often use the imperial system, where lengths are measured in inches and feet.
On the other hand, most of the world relies on the metric system, where centimeters and meters are the standard.
Knowing how to convert inch in cm or in to cm is important because product dimensions, clothing sizes,
screen measurements, and even human height can be listed in different units depending on the region.
A quick calculator bridges the gap between these systems and ensures accuracy in everyday use.
Imperial vs Metric: Key Conversion Values
The imperial system (inches, feet, yards) is mainly used in the US and UK,
while the metric system (centimeters, meters) is standard worldwide.
Here are the most important values at a glance:
| Imperial Unit | Metric Equivalent |
|---|---|
| 1 inch | 2.54 cm |
| 1 foot (12 in) | 30.48 cm |
| 1 yard (36 in) | 91.44 cm |
| 1 meter | 39.37 inches |
Practical Use Cases for Inch to CM Conversion
Everyday situations where converting inches to centimeters can save time and avoid confusion:
- 📺 TV & ScreensA 55-inch television equals 139.7 cm diagonal.
- 🪑 FurnitureA dining table of 30 inches wide measures 76.2 cm.
- 👤 Human HeightSomeone who is 5′7″ tall stands at about 170.18 cm.
Frequently Asked Questions
How do I convert feet and inches to centimeters?
First, turn feet into inches by multiplying by 12, then add the extra inches. Multiply the total by
2.54 to get centimeters.
Example: 5′7″ → (5 × 12 + 7) × 2.54 = 170.18 cm.
Do I need a scientific calculator for inch to cm conversion?
No—since the formula is always the same (cm = in × 2.54), you don’t need a scientific calculator.
Any basic calculator or an online tool works instantly.
Is 1 inch always equal to 2.54 cm?
Yes. The international inch has been defined as exactly 2.54 centimeters since 1959, so it is
a fixed value with no variation.
Final Thoughts
Converting inches to centimeters is simple once you know the fixed formula: 1 inch = 2.54 cm.
Whether you’re checking your height, comparing screen sizes, or working with furniture dimensions,
this calculator and reference guide give you fast and accurate results.