Tourists asking how much cash to carry in Japan are usually deciding between two extremes: arrive with nothing and pay airport-ATM premiums, or exchange $500 in advance and walk around with too much. The right answer is in the middle, and it changes with the part of the trip you are in.
What "use card everywhere" actually costs in a cash-heavy country
You spend $400 over a week using only your card:
Forced to use airport ATM (bad rate): $12
Small merchants charging surcharge: $8
Two DCC swipes: $14
Total: about $34 — and you still ran out of cash
With the right cash buffer + no-FX card: ~$2
Daily Yen Needs by Trip Style
| Trip style | Daily cash use | Buffer to carry |
|---|---|---|
| Tokyo or Osaka city stay | ¥3,000–5,000 | ¥10,000–15,000 |
| Kyoto with temples and small dining | ¥5,000–8,000 | ¥15,000–20,000 |
| Rural Japan or mountain regions | ¥5,000–10,000 | ¥20,000–30,000 |
| Mostly card-friendly chains and hotels | ¥1,000–3,000 | ¥5,000–10,000 |
Why Airport Exchange Almost Always Loses
Narita and Haneda exchange counters typically charge a 3 to 6 percent markup on the rate. Exchanging $300 there can cost $9 to $18 you would not pay at a 7-Eleven ATM (¥220 fee, ~$1.50 total).
If you must have yen on landing, withdraw ¥10,000 to ¥20,000 from a 7-Eleven ATM in arrivals, not from a counter.
Real Japan Cash-Sizing Scenario
A tourist who exchanges $500 (~¥75,000) at Narita pays roughly ¥3,000 to ¥4,500 ($20 to $30) in markup, then carries more cash than they spend. By day 5, they still have ¥40,000 they will struggle to use.
A tourist who pulls ¥20,000 at a 7-Eleven and refills once mid-trip pays ~$3 in fees, ends with under ¥5,000 left, and spent every yen they intended to.
Two Japan tourists, same trip
Tourist A exchanges $500 at the airport: ~$25 lost, ¥40,000 unspent at the end.
Tourist B uses 2 ATM pulls of ¥20,000: ~$3 lost, ¥3,000 unspent.
Difference: $22 saved + better cash flow throughout the trip.
Three-Step Yen Plan
- Land with zero or minimal yen. Skip airport exchange counters.
- Withdraw ¥15,000–20,000 from a 7-Eleven ATM in arrivals (¥220 fee).
- Refill once mid-trip from another 7-Eleven or Japan Post ATM if your buffer drops.