Compatibility summary
Your Brazil plug may fit in South Korea outlets, as both use at least one common plug type. Voltage differs by more than 20% — a voltage converter may be needed for some appliances.
Plug comparison
Brazil plug types: C N
South Korea plug types: C F
Both countries share at least one plug type (C N and C F), so some plugs may work without an adapter. Check your appliance.
Voltage comparison
Brazil: 127V, 60Hz
South Korea: 220V, 60Hz
Voltage converter recommended (Brazil 127V vs South Korea 220V).