55 Cm To Feet And Inches Convert

55 cm to Feet and Inches: A Comprehensive Guide for Students

Converting measurements between the metric system (centimeters) and the imperial system (feet and inches) is a common task encountered in various fields, from everyday life to specialized disciplines. This article delves into the conversion of 55 centimeters (cm) to feet and inches, providing a thorough understanding of the process and the underlying principles. We’ll move beyond simple conversions to explore the reasoning behind the calculations, ensuring a strong grasp of the concepts involved.

1. Understanding the Units:

Before tackling the conversion, let's clearly define the units involved.

Centimeter (cm): A unit of length in the metric system. One centimeter is one-hundredth of a meter (1 cm = 0.01 m). The metric system is based on powers of 10, making conversions relatively straightforward.

Inch (in): A unit of length in the imperial system. There are 12 inches in one foot.

Foot (ft): A unit of length in the imperial system. One foot is equal to 12 inches.

The key to converting between these systems lies in knowing the conversion factor – the relationship between centimeters and inches.

2. The Conversion Factor: Centimeters to Inches

The fundamental conversion factor we need is the equivalence between centimeters and inches:

1 inch ≈ 2.54 centimeters

This approximation is crucial for our conversion. The symbol "≈" means "approximately equal to" because the conversion is not exact; it's a rounded value for practical purposes. A more precise value would involve more decimal places, but for most applications, 2.54 is sufficient.

3. Converting 55 cm to Inches:

Now, we can convert 55 cm to inches using the conversion factor:

Step 1: Set up the equation: We want to find the number of inches (x) equivalent to 55 cm. We can set up a proportion:

1 inch / 2.54 cm = x inches / 55 cm

Step 2: Solve for x: To solve for x, we cross-multiply:

1 inch 55 cm = 2.54 cm x inches

55 cm = 2.54x cm

Step 3: Isolate x: Divide both sides by 2.54 cm:

x = 55 cm / 2.54 cm/inch

x ≈ 21.65 inches

Therefore, 55 cm is approximately equal to 21.65 inches.

4. Converting Inches to Feet and Inches:

Since 21.65 inches isn't a whole number of feet, we need to further convert this into feet and inches.

Step 1: Determine the number of feet: Since there are 12 inches in a foot, we divide the total inches by 12:

21.65 inches / 12 inches/foot ≈ 1.80 feet

This means there is approximately 1 full foot.

Step 2: Calculate the remaining inches: To find the remaining inches, we subtract the whole number of feet (1) multiplied by 12 from the total inches:

21.65 inches – (1 foot 12 inches/foot) = 21.65 inches – 12 inches = 9.65 inches

Therefore, 21.65 inches is approximately equal to 1 foot and 9.65 inches.

5. Combining the Conversions:

Combining our calculations, we find that 55 cm is approximately equal to 1 foot and 9.65 inches. Rounding to a more practical value, we could say 55 cm is approximately 1 foot and 9 2/3 inches.

6. Using Online Converters and Calculators:

While understanding the manual conversion process is crucial for a deeper understanding, numerous online converters and calculators can perform this task quickly and accurately. These tools can be helpful for verification or for quick conversions when precision isn't paramount. However, it's still recommended to understand the underlying mathematical principles.

7. Summary:

Converting 55 centimeters to feet and inches involves a two-step process. First, we convert centimeters to inches using the conversion factor of 1 inch ≈ 2.54 cm. Then, we convert the resulting inches into feet and inches by dividing by 12 and determining the remainder. This yields an approximation of 1 foot and 9.65 inches (or approximately 1 foot and 9 2/3 inches). Understanding the conversion factor and the relationships between the units is key to accurately performing these conversions.

Frequently Asked Questions (FAQs):

1. Why is the conversion not exact? The conversion factor of 2.54 cm per inch is a rounded value. The exact relationship is slightly more complex, involving more decimal places.

2. Can I use different conversion factors? While 2.54 cm per inch is the standard and widely accepted value, using a slightly different value might introduce minor inaccuracies. It’s best to stick to the standard conversion factor for consistency.

3. What if I need to convert a larger number of centimeters? The process remains the same. Simply apply the conversion factor to the larger number of centimeters, then convert the resulting inches to feet and inches.

4. Are there any situations where this conversion is critically important? Precision is crucial in engineering, manufacturing, and construction. In these fields, more precise conversion factors and potentially more complex calculations may be necessary.

5. How can I improve my accuracy in these conversions? Using a calculator with more decimal places during the calculation will provide a more precise result. Also, understanding significant figures and rounding appropriately will help ensure the accuracy of your final answer.

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55 Cm To Feet And Inches Convert

55 cm to Feet and Inches: A Comprehensive Guide for Students

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