Will the JR Rail Pass be worth it?

Hello! We are traveling to Japan for 14 days, and I have been trying to figure out if the JR pass will be a money saving option for us or if we can use individual tickets.

Tokyo: 6 days (possible visits to hakone, misaki, saitama)
Train to Kyoto
Kyoto 6 days (visits to osaka, nara, kobe, naoshima)
Train to Hiroshima
Hiroshima 2 days
Train to Tokyo

Trying to figure out if the 14 day pass would be needed, or if we could activate. a 7 day pass starting with our train from tokyo to kyoto. I also appreciate any resources to help me figure this out for myself!:) Thank you in advanced!