Using United States Electronics in United Kingdom

United States runs 120⁠V and United Kingdom runs 230⁠V. You need a Type G plug adapter; single-voltage devices also need a converter.

United States runs 120V and United Kingdom runs 230V. A plug adapter changes the shape, not the voltage — single-voltage devices need a converter.

United States (120⁠V) vs United Kingdom (230⁠V) at a glance

Spec	United States	United Kingdom
Voltage	120⁠V	230⁠V
Frequency	60⁠Hz	50⁠Hz
Plug types	Type A/B	Type G

Your United States devices in United Kingdom

Hair Dryer No MacBook Pro Charger (USB-C Power Adapter) Adapter Only CPAP Machine Adapter Only iPhone Charger Adapter Only

Next step

What to do next

Check one device in United KingdomUse your exact device label for United Kingdom, not just the route average.Build a United Kingdom trip packSave several devices, adapter needs, and converter/no-go warnings together.Adapter vs converterAvoid the common mistake: plug shape does not change voltage.

The adapter we recommend

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Get a United States→United Kingdom adapter

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.

Best travel adapters for United Kingdom →

FAQ

Do United States plugs work in United Kingdom?

No — United States Type A/B plugs don't fit United Kingdom Type G sockets. You need a plug adapter.

Will my United States hair dryer work in United Kingdom?

Not safely if it's single-voltage. United Kingdom runs 230V vs United States's 120V — use a dual-voltage dryer or a converter.

Is the voltage different between United States and United Kingdom?

United States is 120V and United Kingdom is 230V. That difference matters for single-voltage devices.

Power outlets in United Kingdom · Adapter vs converter

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.