Bah Calculator 2025 Gi Bill Bah. 2025 bah rates for washington, dc. Use our gi bill comparison tool to help you decide which education program and school is best for you.

Enter your pay grade, duty station zip code and dependents to calculate your new bah rate when pcs’ing or changing dependents or paygrade. Service members can calculate their bah payment by using the basic allowance for housing calculator at:.