To convert inches to millimeters, you can use the following conversion factor: 1 inch = 25.4 millimeters.
Here’s how you can convert 2 1/2 inches to millimeters:
1. Start with the given measurement in inches: 2 1/2 inches.
2. Convert the mixed number to an improper fraction: 2 1/2 = 5/2 inches.
3. Multiply the measurement in inches by the conversion factor: (5/2) inches * 25.4 mm/inch = 63.5 millimeters.
Therefore, 2 1/2 inches is equal to 63.5 millimeters.
Real-life example:
Let’s say you have a piece of wood that is 2 1/2 inches long and you want to convert this measurement to millimeters. By using the conversion factor of 1 inch = 25.4 millimeters, you can determine that the piece of wood is 63.5 millimeters long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare measurements in different systems and use them in calculations. It helps in standardizing measurements for better understanding and communication.
2. Can I use a calculator to convert units?
Yes, you can use a calculator to perform the multiplication needed for unit conversion. Just make sure to use the correct conversion factor.
3. Is there a shortcut for converting inches to millimeters?
One shortcut is to remember that 1 inch is approximately equal to 25 millimeters. This can help you quickly estimate conversions in everyday situations.