What Can I Buy With My Jp Miles How Much Can A Person Buy With....?

How much can a person buy with....? - what can i buy with my jp miles

This can be gained 500 yen in Japan by JP?
I want to know the exact value, so .... Buy as a breakfast here in the U.S. at $ 10 or something .... or India, or CUD breakfast with 60 rupees .... strange, perhaps understand my explanation, but I hope some of u .... Thanks