About how many centimeters are in 3 feet 6 inches? There are 12 inches in one foot and approximately 2.54 centimeters in one inch.

First, calculate the total number of inches in 3 feet 6 inches. Since there are 12 inches in one foot:

3 feet = 3 feet × 12 inches/foot = 36 inches
Then add the extra 6 inches to the total from the 3 feet:

36 inches + 6 inches = 42 inches

Since there are approximately 2.54 centimeters in one inch, you can convert 42 inches to centimeters:

42 inches × 2.54 cm/inch = 106.68 centimeters

Therefore, 3 feet 6 inches is approximately 106.68 centimeters.