Irs Interest Rates 2024. Various prescribed rates for federal income tax purposes including the applicable federal interest rates, the adjusted applicable federal interest rates, the adjusted federal long. In order to use our free online irs interest calculator, simply enter how much tax it is that you owe (without the addition of your penalties as interest is not.
For individuals, 8% per year for overpayments. 1274 (d) of the internal revenue code for september 2024.