The average gym may cost more than 100, and the better one is around 300. There are also similar flagship stores that cost 500 to 600 a month. The price is about 500- 1000 yuan. Gym monthly cards are generally more expensive, and only annual cards will be cheaper. As for how much it costs a month, it depends on the location, equipment and gym. General prices range from 500 to 1000 yuan.