To convert 4cm to mm, you need to know that 1 cm is equal to 10 mm. Therefore, to convert cm to mm, you simply need to multiply the value in cm by 10.
Here’s the step by step instruction on how to convert 4cm to mm:
1. Write down the value you want to convert, which is 4cm.
2. Multiply the value by 10 (since 1 cm = 10 mm).
3. Perform the calculation: 4cm x 10 = 40mm.
4. Therefore, 4cm is equal to 40mm.
Real-life example:
Let’s say you have a ruler that measures 4cm. If you want to convert this measurement to mm, you would multiply 4cm by 10, which equals 40mm. So, the measurement on the ruler in mm would be 40mm.
FAQs:
1. Why do we need to convert units?
– Converting units allows us to easily compare and work with different measurements. It helps in standardizing measurements and making calculations more accurate.
2. Can I convert any unit to another unit using the same method?
– No, the conversion factor will vary depending on the units you are converting. It’s important to know the conversion factor for the specific units you are working with.
3. Is there a shortcut to convert units without using multiplication?
– Yes, you can use online unit conversion tools or calculators to quickly convert units without having to manually perform the calculations.