Sometimes, we need to convert inches to centimeters. It could be for a school project, a DIY craft, or just curiosity. Whatever the reason, knowing how to convert inches to cm is a handy skill!
The Simple Formula
To convert inches to centimeters, use this simple formula:
1 inch = 2.54 cm
This means you just need to multiply the inches by 2.54!
Converting 13.8 Inches to Centimeters
Now, let’s apply the formula:
13.8 inches × 2.54 = 35.052 cm
So, 13.8 inches is equal to 35.05 cm (rounded to two decimal places).

Why Use This Conversion?
There are many reasons to convert inches to centimeters:
- Measuring furniture for your home
- Understanding product dimensions
- Helping with school assignments
- Working on international projects
Quick Inch-to-Cm Conversions
Here are some common conversions to help you out:
- 1 inch = 2.54 cm
- 5 inches = 12.7 cm
- 10 inches = 25.4 cm
- 15 inches = 38.1 cm
- 20 inches = 50.8 cm
Fun Fact About CM vs Inches
Did you know that most countries use centimeters instead of inches? The metric system, which includes centimeters, is used by most of the world, while inches are mainly used in the US, Canada, and the UK.

Easy Ways to Convert
Don’t want to do the math every time? Here are some easy ways to convert inches to cm:
- Use a conversion chart
- Try an online converter
- Use your phone’s calculator
These shortcuts make conversions quick and hassle-free!
Final Thoughts
Converting inches to centimeters is easy once you know the formula. For 13.8 inches, just multiply by 2.54 to get 35.05 cm. Whether you’re measuring for fun or work, now you know how to do it like a pro!
