United States to Czech Republic Plug Adapter
Adapter needed
Yes. The Czech Republic uses Type C and Type E sockets, and none of the plugs from the United States (Type A and Type B) fit, so you need a travel adapter.
Your plugs · United States
Voltage: 120 V
Sockets at destination · Czech Republic
Voltage: 230 V
Voltage converter
The Czech Republic uses 230 V and the United States uses 120 V. Check the label on each device: if it says 100–240V it works anywhere; otherwise you need a voltage converter.
All about plugs in the Czech Republic →
Frequently asked questions
Do I need a plug adapter for the Czech Republic from the United States?
Yes. The Czech Republic uses Type C and Type E sockets, and none of the plugs from the United States (Type A and Type B) fit, so you need a travel adapter.
Do I need a voltage converter for the Czech Republic?
The Czech Republic uses 230 V and the United States uses 120 V. Check the label on each device: if it says 100–240V it works anywhere; otherwise you need a voltage converter.
Source: Wikidata (CC0), retrieved 2026-10-22. Plug descriptions and compatibility are our own summary of the IEC plug types. Hotels and new buildings may have other sockets — carry a universal adapter if unsure.