Net Interest Spread Calculator: Measure Bank Profitability Easily

Use the Net Interest Spread Calculator by entering your asset yield and funding cost, then subtracting the two rates. For example, 7.25 % income minus 2.15 % expense equals a 5.10 % spread. U.S. banks posted an average net interest margin of 3.13 % in 2022 (FDIC Quarterly, 2023).