Penalty and Interest Estimator
This form is to help you estimate your penalty and interest. Please make sure to choose the correct tax type before entering your information. Contact us if you have questions that aren't answered on this website.
Calculate penalty and interest
Did you know
- In many cases, your penalty can be greatly reduced by filing your tax return on time, even if you can't pay.
- If you e-file your tax return, your penalty and interest will be calculated for you when you file.
- This is our interest rate table.
Interest Rates
Year Annual Monthly Daily 2025 6% 0.005 0.0001643 2024 6% 0.005 0.0001643 2023 5% 0.0042 0.0001369 2022 3% 0.0025 0.00008219 2021 2% 0.0017 0.00005479 2020 4% 0.0033 0.00010959 2019 5% 0.0042 0.00013699 2018 4% 0.0033 0.00010959 2017 3% 0.0025 0.00008219 2016 4% 0.0033 0.00010959 2015 4% 0.0033 0.00010959 2014 4% 0.0033 0.00010959 2013 3% 0.0025 0.00008219 2012 4% 0.0033 0.00010959 2011 4% 0.0033 0.00010959 2010 5% 0.0042 0.00013699 2009 5% 0.0042 0.00013699 2008 7% 0.0058 0.00019178 2007 7% 0.0058 0.00019178 2006 6% 0.0050 0.00016393 2005 6% 0.0050 0.00016393 2004 6% 0.0050 0.00016393 2003 5% 0.0042 0.00013699 2002 7% 0.0058 0.00019178 2001 8% 0.0067 0.00021918 2000 8% 0.0067 0.00021918 1999 7% 0.0058 0.00019178 1998 8% 0.0067 0.00021918 1997 9% 0.0075 0.00024658 1996 8% 0.0067 0.00021918 1995 9% 0.0075 0.00024658 1994 7% 0.0058 0.00019178 07/1981-12/1993 12% 0.0100 0.00032877