To convert centimeters to inches, you can use the conversion factor that 1 inch is equal to 2.54 centimeters. So, to find out how many inches are in 30 centimeters, you can use the following formula:
Inches = Centimeters ÷ 2.54
Plugging in the numbers:
Inches = 30 ÷ 2.54
This gives you approximately 11.81 inches. Therefore, 30 cm is about 11.81 inches.