To convert millimeters (mm) to inches, you can use the following conversion factor: 1 inch = 25.4 millimeters.
Here’s how you can convert 3 mm to inches:
Step 1: Write down the given value: 3 mm
Step 2: Multiply the given value by the conversion factor: 3 mm x (1 inch / 25.4 mm)
Step 3: Simplify the expression: 3 / 25.4 = 0.118110236 inches
Therefore, 3 mm is equal to approximately 0.118 inches.
Real-life example:
If you have a piece of paper that measures 3 mm in width, you can convert this measurement to inches to better understand its size in a more familiar unit. By converting 3 mm to inches, you would find that the paper is approximately 0.118 inches wide.
FAQs:
1. Why do we need to convert units?
Converting units allows us to express measurements in different systems for easier comparison and understanding. It also helps in performing calculations and solving problems involving different units.
2. Can I convert units without using a conversion factor?
Using a conversion factor is the most accurate and reliable way to convert units. It ensures that the conversion is done correctly and consistently.
3. Is there a shortcut to convert units quickly?
While there are some common conversion factors that can be memorized for quick conversions (e.g., 1 inch = 2.54 centimeters), it is always recommended to use the conversion factor to ensure accuracy.