BAH by ZIP Code Calculator
Estimate Basic Allowance for Housing (BAH) from a ZIP code, pay grade, and dependent status.
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Result
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Formula
The calculator maps a ZIP code to a simplified cost bucket and then applies a simplified rate model for the selected grade and dependents.
Worked Example
Frequently Asked Questions
Why is a ZIP code used instead of a detailed location?
This calculator uses a simplified bucket mapping for quick planning. Official BAH uses Military Housing Area boundaries with detailed rate tables published annually.
Does pay grade change the result?
Yes. Pay grade is the primary driver of BAH rates within each location bucket. Higher grades receive higher housing allowances.
Can I compare BAH across multiple ZIP codes?
Yes. Run the calculator with different ZIP codes while keeping the same pay grade and dependent status to see how location affects your housing allowance.
What if my ZIP code is not recognized?
The simplified model maps ZIP prefixes to cost buckets. If your exact ZIP is not in the mapping, it falls back to a default bucket. Check official sources for precise rates.
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