Gi Bill Bah Calculator 2024. To calculate your bah rate, enter your pay grade and duty station into the bah calculator. By law, the gi bill rate increase is tied to the average cost increase of undergraduate tuition in the u.s.

This page will list rates for the academic year from august 1, 2025, to july 31,.  — review how much of your gi bill benefits you have left to help pay for school or to cover expenses while you’re training for a job.