Are you trying to figure out 20cm is how many inches? You’re not alone! The conversion of 20 cm to inches can be confusing for many. In this definitive guide, we’ll clarify the relationship between these two units of measurement and provide you with a handy converter, and also offer you cm to inches chart, free PDF, and solved math problems on centimeter to inch.
Whether you need to convert centimeters for a project or simply want to satisfy your curiosity, you’ll find all the information you need about how much is 20 cm in inches, and how to convert 20 centimeters to inches.
20cm is How Many Inches?
When you ask, “how much is 20cm in inches?” or “how long is 20cm in inches?”, you’re looking for the exact conversion. Here’s how it breaks down:
- 20 cm × 0.3937 in/cm = 7.87 inches
This means an object measuring 20 centimeters is approximately 7.87 inches long. Such conversions are valuable in many contexts, including crafting, construction, and cooking, where accuracy in measurements is crucial.
What is 20 CM in Inches?
Understanding what 20 cm equals in inches is essential across various fields, including science, engineering, and everyday tasks. However, to grasp this conversion fully, it’s helpful to first understand the definitions of centimeters and inches.
Centimeter (cm)
The centimeter is a unit of length in the metric system, which is widely used around the world. The metric system is based on powers of ten and is designed to be straightforward and easy to use. One centimeter is one-hundredth of a meter, making it a smaller unit suitable for measuring shorter lengths.
Inch (in)
On the other hand, an inch (in) is a unit of length in the US customary system. One inch is equal to 2.54 centimeters. The customary system is primarily used in the United States, which can lead to confusion when dealing with metric measurements. The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.
In short, it’s crucial to understand the difference between these two systems for accurate measurements, especially when converting between centimeters and inches. When measuring lengths, knowing that one centimeter is about 0.3937 inches can help in practical applications.
How to Convert Centimeters to Inches?
To convert 20 cm to inches, simply divide the length in centimeters by 2.54. This process can be applied to any length in centimeter to find its equivalent in inches. For quick reference, remember:
- 1 inch = 2.54 cm
- To convert cm to inches, use the formula: inches = cm / 2.54
Here are step-by-step guide to convert centimeters to inches for you.
Step 1. Understand the Conversion Factor:
The relationship between centimeter and inch is defined by the fact that one inch is equal to 2.54 centimeters. This reflects the difference between the metric system (where centimeters are used) and the US customary system (where inches are standard). To convert from centimeters to inches, you need to divide the number of centimeters by 2.54.
Step 2. Use the Formula:
The formula to convert centimeter (cm) to inches (in) is:
Step 3. Apply the Formula for 20 centimeters:
Step 4. Perform the Calculation:
Divide 20 inches by 2.54, then the approximately 7.87 inches.
Centimeters to Inches Conversion Table
The following Centimeters to Inches Conversion Table provides a quick reference for converting various centimeter measurements into their equivalent inches, making it easier to work with different unit systems. You can also download a free PDF of this conversion table for easy access anytime you need to convert 1 to 100 centimeters to inches.
Centimeters to Inches Conversion Table – Download a free PDF
| 1-10 Centimeters | Inches (in) | 11-20 Centimeters | Inches (in) |
| 1 cm | 0.39 in | 11 cm | 4.33 in |
| 2 cm | 0.79 in | 12 cm | 4.72 in |
| 3 cm | 1.18 in | 13 cm | 5.12 in |
| 4 cm | 1.57 in | 14 cm | 5.51 in |
| 5 cm | 1.97 in | 15 cm | 5.91 in |
| 6 cm | 2.36 in | 16 cm | 6.30 in |
| 7 cm | 2.76 in | 17 cm | 6.69 in |
| 8 cm | 3.15 in | 18 cm | 7.09 in |
| 9 cm | 3.54 in | 19 cm | 7.48 in |
| 10 cm | 3.94 in | 20 cm | 7.87 in |
20CM to Inches Converter
For those who prefer a quick solution, here’s a handy 20CM to Inches Converter. This converter uses the formula mentioned above, ensuring that you get accurate results every time.
RapidTables – inches converter centimeters
URL: https://www.rapidtables.com/convert/length/cm-to-inch.html?x=20
The RapidTables 20 CM to Inches Converter is a user-friendly online tool that allows you to easily convert centimeters to inches, providing accurate measurements for various applications.
Centimeter to Inch Conversion Calculator
https://z-table.com/20-cm-to-inches.html
The Centimeter to Inch Conversion Calculator allows you to quickly and easily convert measurements from centimeters to inches, making it a handy tool for various projects and travel needs.
Inches to Calculator
The 20 cm to inches converter on Inches.to allows you to quickly convert 20 centimeters to approximately 7.87 inches, making it a useful tool for various measurement needs.
Solved Examples
FAQ About 20 CM to Inches
Q1: How to convert 20 centimeters to feet?
To convert centimeters to feet, you can use the conversion factor where 1 inch equals 2.54 cm and 1 foot equals 12 inches.
- Convert 20 cm to inches:
- 20 cm ÷ 2.54 = 7.87 inches
- Convert inches to feet:
- 7.87 in ÷ 12 = 0.656 feet
So, 20 centimeters is approximately 0.656 feet.
Q2: Is 20 cm 7 inches or 8 inches?
No, 20 cm is not equal to 8 inches. As previously stated, 20 cm is approximately 7.87 inches. This common misconception arises from rounding errors or misinterpretations of metric and customary measurements.
Q3. What is metric system？
The metric system is an internationally recognized decimal-based system of measurement. It was developed in France during the late 18th century and has since been adopted by most countries around the world. Key features of the metric system include:
- Units of Measurement: The metric system uses base units for various measurements, including:
- Length: meter (m)
- Mass: kilogram (kg)
- Volume: liter (L)
- Decimal-Based: The metric system is based on powers of ten, making calculations straightforward. For example, 1 kilometer is 1,000 meters, and 1 gram is 1,000 milligrams.
- Standardization: The metric system provides a standardized set of measurements, which facilitates international trade, scientific research, and communication.
Q4. What is us customary system？
The US customary system is a system of measurement primarily used in the United States. It is derived from the British Imperial system and consists of various units for measuring length, weight, and volume. Key features include:
- Unit of Measurement: Common units in the US customary system include:
- Length: inch (in), foot (ft), yard (yd), mile
- Weight: ounce (oz), pound (lb), ton
- Volume: fluid ounce (fl oz), pint (pt), quart (qt), gallon (gal)
- Non-Decimal: Unlike the metric system, the US customary system does not use a decimal base, which can make conversions more complex. For example, 1 foot equals 12 inches, and 1 yard equals 3 feet.
- Regional Use: The US customary system is predominantly used in the United States, while most other countries have adopted the metric system. This difference can lead to confusion in scientific, engineering, and trade contexts.
Conclusion
Understanding how to convert 20cm to inches is essential for various applications in daily life. Whether you’re working on a project, cooking, or simply curious about conversions, knowing that 20 cm is approximately 7.87 inches can save you time and confusion.
If you need to make further conversions or calculations, remember that using a reliable converter or a simple multiplication factor can make the process straightforward. Keep this guide handy for all your future measurement needs! If you want to comprehensively improve your child’s mathematical calculation ability, you can make a free reservation for the WuKong Mathematics course for you children and receive one-on-one online math classes.
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