To convert millimeters (mm) to inches, you can use the following formula:
1 inch = 25.4 millimeters
So, to convert 9 mm to inches, you would divide 9 by 25.4:
9 mm ÷ 25.4 = 0.35433 inches
Therefore, 9 mm is equal to approximately 0.35433 inches.
Real-life example:
Let’s say you have a piece of paper that measures 150 mm in length. To convert this measurement to inches, you would divide 150 by 25.4:
150 mm ÷ 25.4 = 5.90551 inches
Therefore, a piece of paper that measures 150 mm is approximately 5.90551 inches long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare measurements in different systems and make calculations more convenient. It also helps in standardizing measurements for consistency.
2. Can I convert units using a calculator?
Yes, you can use a calculator to convert units by simply inputting the values and using the appropriate conversion factor.
3. Is there a simple way to remember conversion factors?
One common mnemonic to remember the conversion factor between millimeters and inches is “25.4” – there are 25.4 millimeters in one inch.