Tennis as we know it has its origins in the 16th century. This has given people around the world plenty of time to get accustomed to the sport and its rules. This is also why you can find more tennis courts in suburban communities and sporting complexes than playing fields for pickleball, which began in 1965.
There may be some similarities between how the two games are played, as well as where. However, although a tennis court could potentially be converted into a pickleball court, it cannot be a satisfying substitute for one. Here is some information on pickleball court dimensions, as well as some of the essential equipment needed for building one.