# How Many Inches Are In 20 Centimeters?

In most cases, 20 centimeters or 20 cm would make 7.8 inches or 7.8 in if it’s written to one decimal place (rounded down). 20 cm can also return 7.9 inches or 7.9 in if it’s rounded up. Working with centimeters (cm) and inches could be the most common task you’ll perform as an engineer or any job that requires frequent measurements. One key point to keep in mind is that one inch equals 2.54 cm. in simple terms, you’ll need two measures and a half centimeters to achieve a single measure of an inch.

A centimeter is one of the most common units of measurement. It predates the Late 19th industrial revolution and brought measurement to the limelight. Human communities have been found to depend on measurements to ensure that things are divided fairly between concerned parties. That’s why measuring units continue to improve over the years. 20 cm is one of the most common lengths in centimeters.

Several measuring equipment that is calibrated in cm often has a length of 20 cm or 30 cm. Below are brief answers to questions and common questions around the subject of converting from centimeters into inches, especially, How Many Inches Are In 20 Centimeters?

Jump right into the Frequently Asked Questions

## How Many Inches Are In 20 Centimeters?

Related: How Far Are 1500 Meters?

20 centimeters or 20 cm equals 7.87402 inches.

## Is 20cm 7 inches?

No. 20 centimeter is 7.87402 inches. Approximately, 20 centimeters or 20 cm equals 7.87 inches when written to two decimal places and 7.9 inches when written to one decimal place. If you want to round 20 cm up to the nearest whole number, you’ll have 8 inches. However, if you want to round it down to the nearest whole number, you may have 7 inches.

However, the rounding down measurement may be very misleading especially when dealing with measurements that require accuracy. The value after the decimal point is larger than half an inch. It should count upwards and not downwards since it’s closer to the next whole number value than the previous value.

### How many centimeters means 1 inch?

1 inch equals 2.54 cm. To get a single value of an inch, you’ll need to measure 2 values of centimeters and a half. Think of 2.54 cm as the conversion factor that helps you go from centimeters to inches and from inches to centimeters.

You only have to multiply any value of inches by the conversion factor to get its equivalent in centimeters. You can also divide centimeter values by the conversion factor to a corresponding value in inches.

### Which is longer 1 cm or 1 inch?

Inches are longer than a centimeter. An inch is two and a half times longer than a centimeter. 1 inch or 1 in equals 2.54 centimeters or 2.54 cm. By standard, an inch is half of a foot which is much larger than the centimeter measure.

### Is 2 cm the same as 1 inch?

No. 2 cm equals 0.787402 or approximately, 0.8 of an inch. In simple terms, 2 cm or 2 centimeters is four-fifth of an inch, which is not up to an inch. According to standard inches conversion charts, 1 inch is equal to 2.54 cm.

### How long is 1 cm on your finger?

1 cm or 1 centimeter is equal to about a quarter of the length of the distal phalanx. The distal phalanx is the part of the finger that runs from the tip of any of your fingers to the first joint. Besides the distal phalanx of the thumb, which is about 1.5 inches, the distal phalanx of the adult finger is often 1 inch long.

One centimeter would be 0.393701 of that length, which is approximately a quarter of the length of the distal phalanx or the length from the tip of your finger to a quarter of the first joint.

### Can I measure 20 cm with my fingers?

Yes. Before civilization took over the world, customary units of measurement used human body parts as base units. However, with advancements in technology, there are more sophisticated means of ensuring that accuracy is maintained. Each finger of the human hand is approximately 3 inches – 7 inches long. Multiplying the values by 2.54 converts the centimeters into inches.

However, using your fingers as the base unit of measurement will be a very tedious undertaking. There is a high chance that you’ll make a lot of mistakes in the process. It’s best to make use of accurately calibrated equipment. That way, you’ll get rid of all errors.

### How many centimeters are an inch and a half?

an inch and a half equals 3.81. The simpler approach is to calculate the inch, which equals 2.54 cm. Then calculate half an inch, which equals 1.27 cm. Adding the two values 2.54 cm plus 1.27 cm would return 3.81.

However, a simpler method would be to use an online inches calculator, an inches conversion chart, or an inches conversion guide. These tools would give you the inch quantity in centimeters.

### How do I calculate inches?

There are two methods of calculating inches without using an instrument calibrated in inches. First, you can make use of an instrument calibrated in centimeters and convert the value via an inches conversion guide, which gives you the value of centimeters in inches.

The second step is to use equipment calibrated on the foot. A half-inch equals a foot. That is for every unit of foot you measure, you can get the inches equivalent by dividing that value into two.

### How many centimeters are in a 12-inch ruler?

12 inches ruler contains 30.48 cm. Approximately, it ranges from 30 to 30.5 cm. A standard short ruler is equal to 11.8 inches. Most ruler manufacturers round off the calibration to ensure that the ruler comes with rounded 12 inches.

Therefore the easiest way to calculate a 12 inches measurement is to use a 30 cm ruler, which would give you the approximate value.

## Conclusion on How Many Inches are in 20 Centimeters

One of the major importance of the Unit of measurement is that it helps engineers, designers, and experts worldwide maintain consistency. The idea of unit standardization or what we now call standard systems of measurement dates back to the era of the imperial unit when monarchs decide what units are accepted. These methods were still in use up to the 20th century.

Centimeters to inches conversion follows a simple process of multiplying or dividing values by 2.54. One can also use the metric conversion table or online conversion calculator to get the values. However, if you have any questions or want help with these conversions, leave a comment below. Remember to share this article and help others find the values too.

Picture in this post is by Markus Spiske on Unsplash