How Tall Is 167 Cm In Feet Convert

How Tall is 167 cm in Feet? A Deep Dive into Unit Conversion

Understanding unit conversion is a fundamental skill in mathematics and across various scientific disciplines. The ability to seamlessly translate measurements from one unit system to another—like converting centimeters to feet—is crucial for accurate calculations, clear communication, and problem-solving in everyday life and professional settings. This article focuses on converting 167 centimeters (cm) to feet (ft), illustrating the underlying mathematical principles and providing a step-by-step guide to facilitate comprehension. While seemingly simple, this conversion highlights important concepts like ratios, proportions, and the importance of accurate decimal placement.

Understanding the Metric and Imperial Systems

Before we embark on the conversion, let's briefly review the two systems involved: the metric system (International System of Units or SI) and the imperial system (commonly used in the United States). The metric system is based on powers of 10, making conversions relatively straightforward. The imperial system, however, utilizes a less consistent set of units, requiring more complex conversion factors. This difference underscores the value of understanding the mathematical principles behind unit conversions.

The Conversion Factor: The Bridge Between Units

The core of any unit conversion lies in the conversion factor. This factor represents the ratio between two units, expressing how many of one unit are equivalent to a specific amount of the other. For centimeters and feet, the conversion factor is crucial because 1 inch equals 2.54 centimeters. This is our starting point.

Step-by-Step Conversion of 167 cm to Feet

1. Establish the Known Conversion Factor: As stated above, 1 inch = 2.54 cm. This is our fundamental relationship.

2. Convert Centimeters to Inches: Since we want to convert 167 cm to feet, we first need to convert centimeters to inches. We can set up a proportion:

```
(1 inch / 2.54 cm) = (x inches / 167 cm)
```

Here, 'x' represents the number of inches equivalent to 167 cm. To solve for 'x', we cross-multiply:

```
1 inch 167 cm = 2.54 cm x inches
167 inchcm = 2.54 cm x inches
```

Now, divide both sides by 2.54 cm:

```
x inches = 167 inchcm / 2.54 cm
x inches ≈ 65.75 inches
```

Therefore, 167 cm is approximately equal to 65.75 inches. Note that we’ve used the approximation symbol (≈) because our answer has a decimal value.

3. Convert Inches to Feet: The next step is to convert inches to feet. We know that 1 foot equals 12 inches. Again, we set up a proportion:

```
(1 foot / 12 inches) = (y feet / 65.75 inches)
```

Here, 'y' represents the number of feet equivalent to 65.75 inches. Cross-multiplying:

```
1 foot 65.75 inches = 12 inches y feet
65.75 footinches = 12 inches y feet
```

Dividing both sides by 12 inches:

```
y feet = 65.75 footinches / 12 inches
y feet ≈ 5.48 feet
```

Therefore, 167 cm is approximately equal to 5.48 feet.

Understanding Significant Figures and Rounding

The value 5.48 feet is an approximation. The precision of our final answer depends on the number of significant figures used in our calculations. The given value, 167 cm, has three significant figures. The conversion factor 2.54 cm/inch has three significant figures as well. Consequently, our final answer should also have three significant figures, which is why we retained only two decimal places in 5.48 feet. Rounding is a crucial aspect of ensuring the accuracy and appropriate level of detail in our results.

Summary

Converting 167 cm to feet involves a two-step process: first converting centimeters to inches using the conversion factor 1 inch = 2.54 cm, and then converting inches to feet using the conversion factor 1 foot = 12 inches. This process utilizes the principle of proportions to maintain mathematical consistency and ensures an accurate result. The final answer, 5.48 feet, reflects the correct level of significant figures given the initial data.

Frequently Asked Questions (FAQs)

1. Why do we use proportions in unit conversions? Proportions allow us to maintain the ratio between units while scaling the measurement. They ensure that the mathematical relationship between the units remains consistent throughout the conversion process.

2. Can I use a single conversion factor to directly convert centimeters to feet? Yes, you can derive a single conversion factor by combining the two factors we used: 1 foot = 12 inches and 1 inch = 2.54 cm. This leads to 1 foot = 30.48 cm (12 inches 2.54 cm/inch). This allows you to directly convert: 167 cm (1 ft / 30.48 cm) ≈ 5.48 ft.

3. What if I have a measurement with more or fewer significant figures? The number of significant figures in your final answer should be consistent with the least number of significant figures in your initial measurement or conversion factors.

4. Are there online converters for this type of calculation? Yes, many online converters are available that can perform unit conversions quickly and efficiently. However, understanding the underlying mathematical principles remains crucial for problem-solving and critical thinking.

5. What are some other common unit conversions? Other common conversions include kilometers to miles, liters to gallons, kilograms to pounds, and Celsius to Fahrenheit. The same principles of proportions and conversion factors apply to all these conversions. Understanding these principles allows you to confidently tackle various unit conversion problems across diverse scientific and engineering fields.

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How Tall Is 167 Cm In Feet Convert

How Tall is 167 cm in Feet? A Deep Dive into Unit Conversion

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