The break-even math
The 7-day pass costs roughly ¥50,000. To justify it you need to ride enough Shinkansen to clear that number.
| Trip | Point-to-point cost | JR Pass? |
|---|---|---|
| Tokyo ⇄ Kyoto round trip | ~¥27,000 | Buy tickets |
| Tokyo → Kyoto → Hiroshima → Tokyo | ~¥45,000 | Roughly even |
| ⭐ Tokyo ⇄ Hakata (Fukuoka) round trip | ~¥46,000+ | Get the pass |
When the pass still wins
It earns its keep on long round trips down to Hiroshima/Kyushu, for spontaneous travel where you hop any non-Nozomi train, and for the convenience of one purchase with zero ticket-machine time. Against it: it doesn't cover the fastest Nozomi/Mizuho trains, city subways aren't included, and it's overkill for a Tokyo-focused trip.
Map your actual Shinkansen legs, add up the point-to-point fares on a fare calculator, and only then compare to the pass. The "just get the pass" advice is outdated post-2023.
Regional passes are the sleeper pick
If you're staying in one area (e.g. Kansai), a regional JR pass is often dramatically cheaper than the nationwide one and covers everything you'll actually ride.