Japan uses the Japanese yen, code JPY. Yen prices can contain more digits than prices in your home currency. Compare the converted value rather than judging the cost from the size of the number alone, and check every digit when entering a bill or booking amount.
For a trip, separate confirmed expenses from flexible spending. Convert known accommodation or transport costs first, then estimate the rest of the budget. For a payment that must deliver a fixed yen amount, use that recipient amount as the starting point when requesting a provider quote.
Keep the currencies attached to each number when comparing options. A market-rate calculation gives context, while the provider determines its fees and payment conditions. Confirm the recipient details in the format that provider requests, and check the final yen amount before authorizing the transfer.
Currency background: Japanese yen (JPY) — Wise · Wise US-to-Japan transfer page