Compatibility summary
Your United States plug may fit in Saint Kitts and Nevis 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
United States plug types: A B
Saint Kitts and Nevis plug types: A B G
Both countries share at least one plug type (A B and A B G), so some plugs may work without an adapter. Check your appliance.
Voltage comparison
United States: 120V, 60Hz
Saint Kitts and Nevis: 230V, 60Hz
Voltage converter recommended (United States 120V vs Saint Kitts and Nevis 230V).