How can I determine my point limit for weight watchers without joining?

Have the books..don’t want to join yet…but need to know how to determine how many points I should have to lose weight? help!

How does weight watchers determine points?

whats the formula for determining how many points you’re allowed when doing weight watchers?, Also whats the formula for determining how many points each food item has

How do you determine how many weight watchers points i am allowed per day?

Is weight watcher worth it? What is I workout does that effect the number of points I need daily?

How do I determine My Points For Weight Watchers?

I used to go to weight watchers, and I want to start up again on my own, but I forgot how to do my points! My points have obv changed cause of weight loss and gain.
Can someone please help?