What is the height of the table tennis net from top of table?

The official rules of Table Tennis state that the net must be...

* 6 feet (1.83m) long

* 6 inches (15.25 cm) high

* dark green, dark blue or black and have a

* white top tape not more than 15mm wide

and that

* the bottom of the net, along its whole length, shall be as close as possible to the playing surface and that

* the ends of the net shall be as close as possible to the supporting posts

Regardless of its colour, a net may be used on either a blue or a green table.