Number of departments the President has in his cabinet?

There are 15 departments, which are Department of State, Department of Treasury, Department of Defense, Department of Justice, Department of Interior, Department of Agriculture, Department of Commerce, Department of Labor, Department of Health and Human Services, Department of Housing and Urban Development, Department of Transportation, Department of Energy, Department of Education, Department of Veterans Affairsand Department of Homeland Security.
There are 15 cabinet departments.