Find the correct power plug type, voltage, and frequency for any country.
This tool takes a country name and returns the plug type letter or letters used there, the standard mains voltage, and the AC frequency (50Hz or 60Hz), drawn from a reference table rather than calculated live. Most people expect a single plug shape and a single voltage per country. Two things tend to surprise them: many countries list more than one accepted plug type at once, and matching the plug shape with an adapter does not mean the electricity is compatible, since voltage and frequency are separate numbers a device also has to tolerate.
A concrete input and expected output from the current implementation.
Input
Japan
Expected output
Plug types A and B, 100V, 50Hz (eastern Japan, including Tokyo) / 60Hz (western Japan, including Osaka).
Japan runs on 100V, which is lower than most of the world's 220-240V, and it is one of the few countries split between two mains frequencies by region, so the tool returns both.
You enter or select a country, and the tool matches it against a stored table pairing that country with its plug type letter(s), standard voltage, and frequency. This is a static lookup against reference data, not a live measurement, calculation, or crowd-sourced report, so the result reflects the standard generally listed for that country as a whole rather than any specific building or outlet.
Results use the internationally recognized letter codes (Type A, C, G, and so on) that describe pin shape and count, not country of origin. When an entry lists more than one letter, it means multiple socket styles are legitimately in use there, often from overlapping wiring eras or shared standards with neighboring countries, and the tool lists all of them instead of picking just one.
No. Most travel adapters only change the physical plug shape; they do not step voltage up or down. Check the input rating printed on your device's charger, usually something like 100-240V, 50/60Hz. If it lists that full range, an adapter alone is enough. If it lists a single voltage, you need a separate voltage converter.
It tells you the country's standard plug type, voltage, and frequency, which covers the vast majority of outlets, but it cannot inspect your device. Always check the input rating printed on your charger or appliance against the result before relying on it, especially for older or single-voltage electronics.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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