Interest Calculator
Department of Taxation - Interest Calculator
Tax Type / Period Type:
SELECT
Commercial Activity (annual)
Commercial Activity (quarterly)
Motor Fuel
Other Tobacco Products (quarterly)
Other Tobacco Products (monthly)
Didn't find your tax type? Check out our new
OH|Tax eServices Interest Calculator.
For a list of all interest rates, see the
annual certified interest rates.
Tax Period (year):
Tax Period (half and year):
Tax Period (quarter and year):
Tax Period (month and year):
Tax Period (half month and year):
SELECT
Jan-Jun
Jul-Dec
SELECT
Jan-Mar
Apr-Jun
Jul-Sep
Oct-Dec
SELECT
January
February
March
April
May
June
July
August
September
October
November
December
Amount Due:
$
Payment Date:
End Date
Month (MM)
/
Day (DD)
/
Year (YYYY)
Calculate Interest Button (Label)
Calculate Interest
InterestCalc version 3.7 (April 2026) on 2
