30.5 cm in mm

Understand the Problem

The question is asking for a conversion from centimeters to millimeters, specifically how many millimeters are in 30.5 centimeters. To solve this, we will use the fact that 1 cm is equal to 10 mm.

$305$

There are $305$ millimeters in $30.5$ centimeters.

Steps to Solve

1. Identify the conversion factor

Understanding the conversion factor from centimeters to millimeters is crucial. We know that:

$$1 \text{ cm} = 10 \text{ mm}$$

1. Multiply the number of centimeters by the conversion factor

To find the number of millimeters in 30.5 centimeters, we multiply:

$$30.5 \text{ cm} \times 10 \text{ mm/cm}$$

1. Calculate the result

Now, perform the multiplication:

$$30.5 \times 10 = 305 \text{ mm}$$

There are $305$ millimeters in $30.5$ centimeters.

Converting between centimeters and millimeters is straightforward, as it involves multiplying by 10. This multiplication is often used in various applications, such as in construction or tailoring.

Tips

A common mistake is forgetting to multiply by the correct conversion factor. Always remember that 1 cm equals 10 mm to avoid errors.

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