Net Interest Margin Calculator: Measure Bank Profitability Easily

Use the Net Interest Margin Calculator to divide net interest income by average earning assets and see profitability in seconds. For example, $920 000 ÷ 11 200 000 = 8.21 %. Average U.S. banks posted a 3.28 % NIM in 2022 (FDIC Quarterly Banking Profile, 2023).