The tennis net height at the center of the net should be 3' and the post end 3' - 6" above ground.
The official height of a table tennis net is 15.25 cm(6.0 in). Which converts to 0.1525 metre.
The height of the tennis court net in the center is 3 feet high.
The height of the net is 1 m height and the height of the racquets may vary according to the model you buy.
The official height of a tennis court net is three feet in the middle of the net. At the posts, located on each side of the court, the net should be three and a half feet high.
1 and half metre
15.25 cm (6 inches)
3 feet in middle
The International Tennis Federation site states that a net shall be suspended by a cord or metal cable which shall pass over or be attached to two net posts at a height of 3 ½ feet (1.07 m). The height of the net shall be 3 feet (0.914 m) at the centre.
The table tennis net is 6 inches (15.25 cm) high and 6 feet (1.83m) long.
A regulation (thus also olympic) net height is 3.5 feet high on the net posts and 3 feet high on the center.
It depends if you want to know the height or the width.