Answer
Verified
40 cm is equal to 15.75 inches
To convert 40 cm to inches, you need to know the conversion factor between centimeters and inches. One inch equals 2.54 centimeters. By dividing the given value in centimeters by 2.54, you can find its equivalent in inches.
Conversion Formula

Why This Conversion Is Useful
Understanding how to convert between centimeters and inches is essential for tasks like:
- Home improvement projects where measurements may vary by region.
- Clothing sizes when shopping internationally.
- Education and research requiring metric and imperial conversions.
Quick Reference Table
CM | Inch |
10 cm | 3.94 in |
20 cm | 7.87 in |
30 cm | 11.81 in |
40 cm | 15.75 in |
50 cm | 19.69 in |
Tips for Accurate Conversions
- Always use the standard conversion factor of 1 inch = 2.54 cm.
- For quick estimates, remember that 10 cm ≈ 4 inches.
By understanding this simple conversion process, you can easily switch between metric and imperial measurements as needed.