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Country power profile

Power Outlets & Plugs in South Korea

South Korea uses Type C/F sockets at 220⁠V / 60⁠Hz. Dual-voltage (100–240V) devices need only a plug adapter; single-voltage US devices need a converter.

Voltage
220⁠V
Frequency
60⁠Hz
Plug type
Type C/F
US plug
Adapter needed
Reviewed
2026-06-17

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South Korea runs 220V — nearly double the US 120V. Dual-voltage gear needs only an adapter; single-voltage US devices need a converter.

Fast checks for South Korea

Traveler checkWhat the data saysAction
100-240V chargersVoltage-safe on 220⁠V / 60⁠Hz.Pack a Type C/F plug adapter.
120V-only appliances220V is not compatible with a 120V-only device.Use a converter only for low-watt devices; replace high-watt heat tools.
Plug shapeSockets are Type C/F in the country data.Adapter choice is about pin shape only; it never changes voltage.

South Korea at a glance

Voltage220⁠V
Frequency60⁠Hz
Plug typesType C/F
Voltage zoneHIGH
US plug fits?No — needs adapter

Plug types used in South Korea

Type C Reference shape and compatible sockets Type F Reference shape and compatible sockets

Type C Type F · grounded

South Korea runs 220V at 60Hz with European-style Type C/F sockets, which often surprises US visitors. US single-voltage devices need a converter.

Your devices in South Korea

Hair Dryer No MacBook Pro Charger (USB-C Power Adapter) Adapter Only iPhone Charger Adapter Only CPAP Machine Adapter Only Curling Iron Converter Needed Laptop Charger Adapter Only Electric Shaver Adapter Only Nintendo Switch Charger Adapter Only
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Get a travel adapter for South Korea(opens in new tab)

Safety check: a plug adapter only changes plug shape. It does not convert voltage, so confirm your device label before buying.

Shopping links never change the safety verdict.

See the best travel adapters for South Korea →

South Korea outlet FAQ

Can I charge my phone in South Korea without a converter?

Yes. Phone and laptop chargers are dual-voltage (100–240V) — you only need a plug adapter (Type C/F).

Is 220V dangerous for US devices?

Only for single-voltage (120V-only) devices like hair dryers — those need a voltage converter. Dual-voltage gear is fine on an adapter.

What plug type does South Korea use?

South Korea uses Type C/F sockets at 220⁠V / 60⁠Hz.

Related

Adapter vs converter · What "100–240V" means
Nearby: Japan · China

Guidance only — not professional electrical advice. Always confirm against your device's label before plugging in. Local wiring (especially in hotels and older buildings) can vary.