How big is 38mm in inches?

Understand the Problem

The question is asking how to convert the measurement of 38 millimeters into inches. This involves using a conversion factor between the two units of measurement.

Answer

$1.50$ inches

Steps to Solve

Identify the conversion factor To convert millimeters to inches, we need a conversion factor. There are 25.4 millimeters in 1 inch. Therefore, the conversion factor is:

$$ 1 \text{ inch} = 25.4 \text{ mm} $$

Set up the conversion To convert 38 millimeters to inches, we can set up the equation as follows:

$$ \text{inches} = \frac{38 \text{ mm}}{25.4 \text{ mm/inch}} $$

Calculate the inches Now we will perform the calculation:

$$ \text{inches} = \frac{38}{25.4} $$

Calculating this gives approximately:

$$ \text{inches} \approx 1.4961 $$

Round the result (if necessary) If needed, we can round the result to a desired decimal point, typically to two decimal points in such conversions:

$$ \text{inches} \approx 1.50 $$

The final answer for the conversion of 38 millimeters to inches is approximately $1.50$ inches.

More Information

This conversion is useful in many real-world applications, such as engineering and design, where measurements need to be in different units. Knowing that an inch is equal to $25.4$ millimeters allows for easy conversions back and forth.

Tips

Forgetting to use the correct conversion factor could lead to incorrect results. Always ensure you are using $25.4$ mm per inch for conversions from millimeters to inches.
Rounding too early in the calculations can lead to inaccuracies. It's best to keep as many decimal places as possible until the final answer.

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