Fy 2024 Bah Calculator. In 2025, the department of defense is asking for a 4.5% increase in the national average for basic allowance for housing (bah). Updated december 18, 2023 at 2:46pm edt |.

Our bah calculator is most helpful when you face at least one of the following situations: The assessment year is when you file your tax returns declaring the income earned during.