To convert 4cm into inches, you can use the following steps:
1. Know the conversion factor: 1 inch is equal to 2.54 centimeters.
2. Set up the conversion equation:
4 cm * (1 inch / 2.54 cm)
3. Solve the equation:
4 cm * (1 inch / 2.54 cm) = 1.57 inches
Therefore, 4cm is equal to 1.57 inches.
Real-life example:
Let’s say you have a pencil that is 4cm long. To convert this length into inches, you would use the steps above:
4 cm * (1 inch / 2.54 cm) = 1.57 inches
So, the pencil is 1.57 inches long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare measurements in different systems and use them in different contexts.
2. Can I convert units without knowing the conversion factor?
It is recommended to know the conversion factor to accurately convert units, but there are also online converters available for quick conversions.
3. Is there a shortcut to convert units?
One common shortcut is to remember that 1 inch is approximately equal to 2.54 centimeters, which can help in quick conversions.