Navy Bah Calculator 2025. The calculator requires your pay grade, duty station and zip code to calculate your bah rate both with and. Basic allowance for subsistence (bas) increases in 2025 are still in question, but the current proposal from the department of defense calls for a 4.5% increase.

In 2025, the department of defense is asking for a 4.5% increase in the national average for basic allowance for housing (bah). If approved, rate changes will take.