To convert 2 1/2 inches to millimeters, follow these steps:
1. Start by converting the whole number part of the measurement. Since 1 inch is equal to 25.4 millimeters, multiply 2 inches by 25.4:
2 inches * 25.4 mm/inch = 50.8 mm
2. Next, convert the fractional part of the measurement. Since 1/2 inch is equal to 12.7 millimeters, multiply 1/2 inch by 12.7:
1/2 inch * 12.7 mm/inch = 6.35 mm
3. Add the two results together to get the final conversion:
50.8 mm + 6.35 mm = 57.15 mm
Therefore, 2 1/2 inches is equal to 57.15 millimeters.
Real-life example:
If you have a piece of wood that is 2 1/2 inches thick and you need to know its thickness in millimeters for a project, you would convert the measurement to millimeters using the steps above. This conversion would help you accurately cut or work with the wood in your project.
FAQs:
1. Why do we need to convert units of measurement?
Converting units of measurement allows us to work with different systems and compare values more easily. It is essential for tasks like engineering, construction, cooking, and many other fields where precise measurements are required.
2. Can I use an online converter instead of doing the calculations manually?
While online converters can be convenient, understanding the process of conversion manually can help you verify the accuracy of the results and troubleshoot any errors that may occur. It also helps in building a better understanding of the relationship between different units of measurement.