💳📉 I Lost 5% on Every Payment in Korea… Here’s How Tourists Get Charged Extra Without Noticing (2026)
📅 Published: April 24, 2026 | ⏱️ 8–10 min read | Seoul Travel
💳📉 5% Hidden Fee on Every Payment in Korea — Payment Option Matters (2026)
Same card. Two payment settings. Different conversion costs apply.
I was eating dinner in Seoul. The payment terminal showed two options.
Option 1: "Pay in USD" (terminal converts) — Option 2: "Pay in Korean Won" (bank converts)
I chose Option 1. Seemed easier.
My bank later showed: I paid $50. The restaurant charged $47.50. Difference: $2.50 for one meal.
Over 2 weeks, across 20+ transactions: additional cost totaled $88.
Understanding the Two Payment Options
At every Korean payment terminal, you encounter: "Pay in USD" (button 1) vs "Pay in Korean Won" (button 2)
Most tourists press Button 1 because it feels safer. "At least I know what I'm paying in my home currency."
When you choose "Pay in USD," the Korean payment terminal handles the conversion — conversion rates are typically less favorable than your bank's rates.
When you choose "Pay in Korean Won," your bank handles the conversion — using rates closer to standard bank exchange rates with minimal markup (0.5–1%).
Why This Difference Exists
The Perceived Convenience: Terminals offer USD payment because it appears transparent. But it's the more expensive option.
The Business Model: Korean payment networks profit from the markup on USD transactions. They benefit when tourists choose this route.
The Better Alternative: Your bank's conversion rate (when you pay in local currency) is almost always superior. Your bank uses rates closer to the interbank standard with minimal markup.
Real-World Comparison
| Scenario | Pay in USD | Pay in Won | Difference |
| Restaurant: KRW 50,000 | $42.02 | $38.17 | +$3.85 |
| Hotel: KRW 200,000 | $168.07 | $152.67 | +$15.40 |
| Shopping: KRW 300,000 | $252.10 | $229.01 | +$23.09 |
| 2-WEEK TRIP (20 transactions) | $1,050 | $962 | +$88 |
How to Minimize Payment Fees
Always press "Korean Won" — minimizes conversion fees instantly.
✅ One-Step Payment Strategy
At every payment terminal in Korea:
Press: "Korean Won" button
Avoid: "USD" button
Result: Your bank handles conversion at standard rates. Reduces costs by 3–5% on every transaction.
⚠️ Additional Tip
Some terminals display the conversion rate before you choose. If the USD rate shown is higher than typical market rates, selecting "Korean Won" becomes even more advantageous.
📌 Related Korea Travel Guides:
Learn More About Korea Travel Money
Payment fees are just one way travelers encounter additional costs in Korea. Explore other common budget considerations and practical strategies:
Disclaimer: All costs and exchange rates are based on 2026 data and subject to change. Card fees vary by issuer and bank. Verify current rates with your financial institution before traveling.
Tags: Korea Travel · Card Payment Fees · Currency Conversion · Travel Budget · Payment Terminal
Categories: Seoul Travel, Money Management, Korea Shopping
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