120 inches equals 304.8 centimeters. This is because 1 inch equals 2.54 centimeters, so multiplying 120 by 2.54 gives the result.
To convert inches to centimeters, you multiply the number of inches by 2.54 because that is the exact conversion factor. For example, if you have 120 inches, multiplying 120 by 2.54 yields 304.8 centimeters, which is the metric equivalent.
Conversion Result
The conversion of 120 inches to centimeters is 304.8 cm.
Conversion Tool
Result in cm:
Conversion Formula
The formula to convert inches to centimeters is: centimeters = inches * 2.54. This works because the international standard defines 1 inch as exactly 2.54 centimeters. Therefore, multiplying the number of inches by 2.54 gives the equivalent in centimeters. For example, 10 inches times 2.54 equals 25.4 cm.
Conversion Example
- Convert 50 inches to centimeters:
- Step 1: Write down the inches: 50
- Step 2: Multiply by 2.54: 50 * 2.54
- Step 3: Calculate: 127 cm
- Result: 50 inches equals 127 centimeters.
- Convert 20 inches to centimeters:
- Step 1: Write down the inches: 20
- Step 2: Multiply by 2.54: 20 * 2.54
- Step 3: Calculate: 50.8 cm
- Result: 20 inches equals 50.8 centimeters.
- Convert 75 inches to centimeters:
- Step 1: Write down the inches: 75
- Step 2: Multiply by 2.54: 75 * 2.54
- Step 3: Calculate: 190.5 cm
- Result: 75 inches equals 190.5 centimeters.
Conversion Chart
This chart shows how inches convert to centimeters at intervals from 95.0 to 145.0. To find the centimeters for a given inches, locate the number in the first column and read across to see its centimeter equivalent.
| Inches | Centimeters |
|---|---|
| 95.0 | 241.30 |
| 100.0 | 254.00 |
| 105.0 | 266.70 |
| 110.0 | 279.40 |
| 115.0 | 292.10 |
| 120.0 | 304.80 |
| 125.0 | 317.50 |
| 130.0 | 330.20 |
| 135.0 | 342.90 |
| 140.0 | 355.60 |
| 145.0 | 368.30 |
Related Conversion Questions
- How many centimeters are in 120 inches?
- What is the centimeter equivalent of 120 inches?
- Can I convert 120 inches to centimeters using an online calculator?
- How do I manually convert 120 inches to centimeters?
- What is the formula to change inches to centimeters for 120 inches?
- Is 120 inches equal to 3 meters in centimeters?
- How many centimeters are in 10 feet, 0 inches?
Conversion Definitions
Inches: Small units used mainly in the US and UK to measure length, where 1 inch equals 2.54 centimeters. They are often used for measuring height, screen sizes, and small objects.
Centimeters: Metric units of length, with 1 centimeter equal to one hundredth of a meter, used globally for precise measurements, especially in science, tailoring, and everyday measurements.
Conversion FAQs
Why is 1 inch equal to 2.54 centimeters?
This standard was established internationally to provide a precise and consistent conversion factor. It was adopted to unify measurements across different regions, ensuring that inch-based measurements could be accurately converted to the metric system.
Can I convert inches to centimeters without a calculator?
Yes, by multiplying the number of inches by 2.54. For example, 15 inches times 2.54 gives 38.1 centimeters. For larger or more complex calculations, a calculator improves accuracy, but for simple conversions, mental math or estimation can suffice.
Are there any tools besides online converters I can use for inch to cm conversions?
Yes, you can use measurement conversion charts, mobile apps, scientific calculators, or even conversion tables printed in manuals. These tools help perform quick conversions without needing to remember the exact formula each time.
What are common uses of inches and centimeters in daily life?
Inches are often used in the US for screen sizes, clothing measurements, and small objects, while centimeters are used in most countries for measuring height, furniture dimensions, or fabric lengths, reflecting the metric system’s widespread use.
Does the conversion change if measuring different objects?
No, the conversion factor from inches to centimeters remains constant at 2.54. However, the significance of the measurement depends on what is being measured, like fabric, height, or distances, but the math stays the same.
Last Updated : 24 May, 2025
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Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.