To convert 18 cm to inches, follow these step-by-step instructions:
Step 1: Understand the Conversion Factor
Before converting 18 cm to inches, it’s important to understand the conversion factor. One inch is equal to 2.54 centimeters. This means that to convert centimeters to inches, we need to divide the length value in centimeters by 2.54.
Step 2: Set up the Equation
Now that we know the conversion factor, we can set up the equation. We will use “x” to represent the final answer in inches.
18 cm ÷ 2.54 = x inches
Step 3: Simplify the Equation
To solve for “x”, we need to divide 18 by 2.54.
18 ÷ 2.54 = x inches
Step 4: Solve the Equation
Using a calculator, we can solve for “x”.
18 ÷ 2.54 = 7.086614173228346 inches
Therefore, 18 cm is equal to 7.086614173228346 inches.
Step 5: Round the Answer (Optional)
Since inches are typically rounded to the nearest tenth, we can round our answer to one decimal place. In this case, it would be 7.1 inches.
Step 6: Double Check the Answer
To ensure the accuracy of our conversion, we can double check the answer using a different method. We can multiply the length value in inches by the conversion factor of 2.54 to see if it equals 18 cm.
7.1 inches x 2.54 = 18.034 inches
Since the result is very close to 18 cm, we can confirm that our conversion is correct.
Step 7: Write the Final Answer
The final answer is 7.1 inches or 7.086614173228346 inches (rounded to the nearest tenth).
In summary, to convert 18 cm to inches, divide 18 by 2.54 and round the answer to the nearest tenth if desired. This method can be applied to convert any length value from centimeters to inches.