5 inch camera 16.65 cm. According to the query related public information: the camera is also known as computer camera, computer eye, electronic eye, etc., is a kind of video input device, is widely used in video conferencing, telemedicine and real-time monitoring and so on. Common sizes are 4 inches, 5.6 inches, 6 inches, 9 inches, an inch is equal to 3.33 centimeters, 5 inches of the camera has a diameter of 16.65 centimeters.