Can I use 110V devices in Korea?

Korea uses 220 V at 60 Hz with two-round-hole outlets. Phone chargers that say 100–240 V work with only a plug adapter, but a 110 V-only device needs a voltage converter.

• •The standard voltage in Korea is 220 volts at 60 hertz, and outlets have two round holes.
• ✓Adapters are sold at hotels, airports, retail stores and convenience stores.
• △A device marked only 110–120 V can be damaged on 220 V without a converter.

• •A plug adapter for two round pins
• •A voltage converter for 110 V-only devices

• •Plugging a hair dryer or iron rated only for 110 V straight into a Korean outlet

• 📶Can I use my phone in Korea?Yes. You can roam, buy a Korean SIM or eSIM, or rent a device at major airports. Your phone must be carrier-unlocked to use a local SIM or eSIM.✓YES, WITH CONDITIONSPhone & InternetView answer →
• 🛂Can I bring a power bank on my flight to Korea?Yes, in your carry-on. Incheon Airport allows power banks of 100 Wh or less (the number allowed can vary by airline), 100–160 Wh only with airline approval, and nothing above 160 Wh. On flights in Korea you cannot charge devices from them.✓YES, WITH CONDITIONSEntry & ImmigrationView answer →

• VisitKorea: Electricity & Communications