Using United States Electronics in Vietnam

United States runs 120V and Vietnam runs 220V. A plug adapter changes the shape, not the voltage — single-voltage devices need a converter.

United States (120V) vs Vietnam (220V) at a glance

SpecUnited StatesVietnam
Voltage120V220V
Frequency60Hz50Hz
Plug typesType A/BType A/C

Your United States devices in Vietnam

The adapter we recommend

Affiliate link

As an Amazon Associate and affiliate partner, we earn from qualifying purchases — at no extra cost to you. We only recommend gear we'd pack ourselves.

Get a United States→Vietnam adapter ↗

We may earn a commission — it never changes our verdict.

Best travel adapters for Vietnam →

FAQ

Do United States plugs work in Vietnam?

Often yes — the plug shapes are compatible. But check the voltage before plugging single-voltage devices in.

Will my United States hair dryer work in Vietnam?

Not safely if it's single-voltage. Vietnam runs 220V vs United States's 120V — use a dual-voltage dryer or a converter.

Is the voltage different between United States and Vietnam?

United States is 120V and Vietnam is 220V. That difference matters for single-voltage devices.

Power outlets in Vietnam · 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.