To convert 30 cm to inches, you can use the following formula:
inches = cm / 2.54
Step by step instructions:
1. Write down the given value in centimeters, which is 30 cm.
2. Divide the value by 2.54 (since 1 inch is equal to 2.54 cm).
3. Perform the division to get the equivalent value in inches.
Calculation:
30 cm / 2.54 = 11.81 inches
Therefore, 30 cm is equal to 11.81 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 30 cm length is, you can use the conversion formula to find out that it is approximately 11.81 inches long.
FAQs:
1. Why do we need to convert units?
– Converting units allows us to easily compare and work with different measurements in a standardized way. It helps in making calculations and understanding measurements more convenient.
2. Can I convert any unit to another unit using the same formula?
– No, the conversion formula may vary depending on the units being converted. It is important to know the conversion factor between the two units in order to accurately convert the values.
3. Is there a shortcut to convert cm to inches?
– One common shortcut is to remember that 1 inch is approximately equal to 2.54 cm. So, you can divide the value in centimeters by 2.54 to get the equivalent value in inches.