WI - Underpayment Interest Rates

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Wisconsin Underpayment Interest Rates

Year Qtr 1
1/01 - 3/31
Qtr 2
4/01 - 6/30
Qtr 3
7/01 - 9/30
Qtr 4
10/01 - 12/31
2014 18% 18% 18% 18%
2013 18% 18% 18% 18%
2012 18% 18% 18% 18%
2011 12% 12% 12% 12%
2010 12% 12% 12% 12%
2009 12% 12% 12% 12%
2008 12% 12% 12% 12%
2007 12% 12% 12% 12%
2006 18% 18% 18% 18%
2005 18% 18% 18% 18%
2004 18% 18% 18% 18%


For more information, see Federal Underpayment Interest Rates, which includes federal rates as well as links to other states.

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