There are approximately 39 inches in 99 centimeters.

Here's how to calculate that:

* 1 inch is equal to 2.54 centimeters.

* Divide 99 centimeters by 2.54 centimeters/inch: 99 cm / 2.54 cm/inch = 38.976 inches.

* Round to the nearest tenth: 38.976 inches ≈ 39 inches