Dealing with the tools and equipment related to sport means that the measurement should be precise as table tennis table size and specifications should be within the approved standard. There is the International Table Tennis Federation which controls the standard size and specs of all tools and equipment related to this sport.
In term of the table surely there is the set of standard measurement or dimension which should be understood. Despite of the fact that the game may just be played for fun in certain occasions, the table should be the standard one for the best experience.
The table should be having 76 cm of surface height, 152.5 cm of width, 274 cm of length, 15.25 cm of net height, and the overhang of the net should be 15.25 cm as well. Those are all the required measurements for a table used in table tennis according to ITTF standard.
Moreover the surface of the table alongside the finish of the table should also be following the standard. It is needed to make sure that the ball will bounce properly within the right direction according to the movement of the ball so that the game will run properly and smoothly.