Gi Bill Bah Calculator 2025 Calculator. When calculating individual bah amounts, factors such as grade, number of dependents, and the cost of living where the military member is. Basic housing allowance (bah) is a service member benefit for 95% of military housing costs.

Use our gi bill comparison tool to help you decide which education program and school is best for you. Use the calculator below to figure you’re 2025 monthly housing allowance.