How Many Feet And Inches Is 170 Cm Convert

From Centimeters to Feet and Inches: A Mathematical Journey

The ability to convert between different units of measurement is a fundamental skill in various fields, from everyday life to engineering and scientific research. This article focuses on a common conversion: transforming 170 centimeters (cm) into feet and inches. While seemingly simple, this conversion highlights important mathematical concepts related to unit conversion, fractions, and the interplay between metric and imperial systems. Understanding these concepts allows us to confidently tackle similar conversions involving other units of length, weight, or volume.

Understanding the Units:

Before diving into the conversion, let's establish a clear understanding of the units involved.

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

Inch (in): The inch is a unit of length in the imperial system (commonly used in the United States). There are 12 inches in one foot.

Foot (ft): The foot is another unit of length in the imperial system.

The key to converting between these units lies in understanding the established conversion factors:

1 inch ≈ 2.54 centimeters (This is an approximation, but sufficiently accurate for most purposes).
1 foot = 12 inches

Step-by-Step Conversion of 170 cm to Feet and Inches:

Our goal is to convert 170 cm into feet and inches. We'll do this in two steps:

Step 1: Converting Centimeters to Inches:

We know that 1 inch ≈ 2.54 cm. To convert 170 cm to inches, we can use the following proportion:

```
1 inch / 2.54 cm = x inches / 170 cm
```

Here, 'x' represents the number of inches equivalent to 170 cm. To solve for 'x', we cross-multiply:

```
1 inch 170 cm = 2.54 cm x inches
170 inch-cm = 2.54 cm x inches
```

Now, we divide both sides by 2.54 cm to isolate 'x':

```
x inches = 170 inch-cm / 2.54 cm
x ≈ 66.93 inches
```

Therefore, 170 cm is approximately equal to 66.93 inches. Notice how the 'cm' units cancel out, leaving us with the desired unit of 'inches'.

Step 2: Converting Inches to Feet and Inches:

We have 66.93 inches. Since there are 12 inches in a foot, we can determine the number of whole feet by dividing the total inches by 12:

```
66.93 inches / 12 inches/foot ≈ 5.58 feet
```

This tells us that there are approximately 5 whole feet. To find the remaining inches, we find the remainder after dividing 66.93 by 12:

```
66.93 inches - (5 feet 12 inches/foot) = 66.93 inches - 60 inches = 6.93 inches
```

Therefore, 66.93 inches is equivalent to 5 feet and 6.93 inches. Rounding to a more practical value, we can say 170 cm is approximately 5 feet and 7 inches.

Illustrative Example:

Imagine you're buying a piece of fabric that's listed as 170 cm long. Using our conversion, you now know that this is approximately 5 feet and 7 inches, which makes it easier to visualize the fabric's length in a more familiar unit system.

Mathematical Concepts Highlighted:

This conversion process showcases several crucial mathematical concepts:

Unit Conversion: The fundamental process of changing a quantity from one unit to another using established conversion factors.
Proportions: Setting up and solving proportions is a critical tool for solving unit conversion problems.
Division and Remainders: Understanding division and how to interpret remainders is essential for breaking down the inch measurement into feet and inches.
Approximation and Rounding: Recognizing that conversions might yield decimal results and the need to round to practical values.

Summary:

Converting 170 centimeters to feet and inches involves a two-step process. First, we convert centimeters to inches using the conversion factor 1 inch ≈ 2.54 cm. Then, we convert the resulting inches into feet and remaining inches by dividing by 12 (inches per foot) and calculating the remainder. This demonstrates the importance of understanding unit conversions and basic arithmetic operations in practical applications. The final result, after rounding, is approximately 5 feet and 7 inches.

FAQs:

1. Why is the conversion not exactly precise? The conversion factor of 1 inch ≈ 2.54 cm is an approximation. The exact value is 2.54 cm per inch, but rounding is often necessary for practical use.

2. Can I use a different conversion factor? While 2.54 cm/inch is widely accepted and accurate, slight variations exist depending on the context and required precision.

3. What if I need to convert a different number of centimeters? The same method applies. Simply replace 170 cm with your desired value in the calculations.

4. Is there a quicker way to do this conversion? Online conversion tools or calculators can provide instant results. However, understanding the underlying mathematical process is crucial for applying the knowledge to other scenarios.

5. Why are both metric and imperial systems still used? Different countries and industries have historically used different systems. While a global shift towards the metric system is ongoing, the imperial system remains prevalent in certain regions and fields. The ability to convert between the systems remains essential for effective communication and collaboration.

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How Many Feet And Inches Is 170 Cm Convert

From Centimeters to Feet and Inches: A Mathematical Journey

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