You Do Need power plug adapter while traveling from Saint Kitts and Nevis to United States of America (US) USA.

Here is Why You Need An Adapter

The outlet and plug type used in United States of America (US) USA are A and B and in Saint Kitts and Nevis are D and G. This is how they look like.

Saint Kitts and Nevis

In Saint Kitts and Nevis, outlets of type D and G are in use.

Type D

Type G

United States of America (US) USA

In United States of America (US) USA, outlets of type A and B are in use.

Type A

Type B