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Country power profile

Power Outlets & Plugs in Denmark

Denmark uses Type K/C sockets at 230⁠V / 50⁠Hz. Dual-voltage (100–240V) devices need only a plug adapter; single-voltage US devices need a converter.

Voltage
230⁠V
Frequency
50⁠Hz
Plug type
Type K/C
US plug
Adapter needed
Reviewed
2026-07-17

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Check one device Get an exact verdict using your device label. Build a trip checklist Check several devices and share the packing verdict. Size a converter Calculate watts and headroom before buying.
Denmark runs 230V — nearly double the US 120V. Dual-voltage gear needs only an adapter; single-voltage US devices need a converter.

Fast checks for Denmark

Traveler checkWhat the data saysAction
100-240V chargersVoltage-safe on 230⁠V / 50⁠Hz.Pack a Type K/C plug adapter.
120V-only appliances230V 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 K/C in the country data.Adapter choice is about pin shape only; it never changes voltage.

Denmark at a glance

Voltage230⁠V
Frequency50⁠Hz
Plug typesType K/C
Voltage zoneHIGH
US plug fits?No — needs adapter

Plug types used in Denmark

Type K Reference shape and compatible sockets Type C Reference shape and compatible sockets

Type K · grounded Type C

Denmark runs 230V at 50Hz. Its native socket is Type K, but it also accepts the Europlug (Type C). A Schuko (Type F) plug may not fully ground.

Your devices in Denmark

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 Denmark(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.

Denmark outlet FAQ

Can I charge my phone in Denmark without a converter?

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

Is 230V 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 Denmark use?

Denmark uses Type K/C sockets at 230⁠V / 50⁠Hz.

Related

Adapter vs converter · What "100–240V" means
Nearby: Sweden · Norway

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.