Irs Interest Rates 2025. The irs interest rate on unpaid taxes and tax refunds for individuals is 8% for all of 2025 (the rate is adjusted on a quarterly basis). Here's how those break out by filing status:

Minimum interest rates required by irs for gifts, loans & sales. Discover the interest rates announced by the irs for the first quarter of 2025, including rates for overpayments and underpayments of taxes, and learn about.