Bah Calculator 2025 Update. The department of defense (dod) has officially announced the 2025 basic allowance for housing (bah) rates, which take effect on january 1, 2025. Service members can calculate their bah payment by using the basic allowance for housing calculator at:.

Our bah calculator is most helpful when you face at least one of the following situations: An average increase of 4.5% in bah rates in 2025 is being proposed by the u.s.