Here's how to convert 6 feet and 11 inches to centimeters:

1. Convert feet to inches:

* 6 feet * 12 inches/foot = 72 inches

2. Add the remaining inches:

* 72 inches + 11 inches = 83 inches

3. Convert inches to centimeters:

* 83 inches * 2.54 cm/inch = 210.82 cm

Therefore, 6 feet and 11 inches is equal to 210.82 centimeters.