Using United States Electronics in Mexico

United States runs 120⁠V and Mexico runs 127⁠V. Your plug shape is compatible; dual-voltage gear works as-is.

United States and Mexico share the same voltage zone, so most devices only need a plug adapter for the socket shape.

United States (120⁠V) vs Mexico (127⁠V) at a glance

Spec	United States	Mexico
Voltage	120⁠V	127⁠V
Frequency	60⁠Hz	60⁠Hz
Plug types	Type A/B	Type A/B

Your United States devices in Mexico

Hair Dryer Yes MacBook Pro Charger (USB-C Power Adapter) Yes CPAP Machine Yes iPhone Charger Yes

Next step

What to do next

Check one device in MexicoUse your exact device label for Mexico, not just the route average.Build a Mexico 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→Mexico 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.

FAQ

Do United States plugs work in Mexico?

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 Mexico?

The voltage matches, so a dual-voltage or compatible model is fine — you may still need a plug adapter.

Is the voltage different between United States and Mexico?

United States is 120V and Mexico is 127V. They are in the same voltage zone.

Power outlets in Mexico · 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.