Find the maximum loan amount a monthly budget can support after taxes, insurance, fees, interest rate, and term. Browser-side and private.
Added May 4, 2026
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Enter a value for monthly payment budget to see your result.
Estimates the largest fixed-rate loan principal a monthly budget can support after reserving room for taxes, insurance, fees, or other monthly costs.
P = Payment x (1 - (1 + r)^(-n)) / r
With $1,200 available for principal and interest, the supported loan is about $190k.
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No. Preapproval also checks income, debt, credit, assets, and lender rules.
Costs like taxes, insurance, HOA fees, or service fees reduce the payment left for principal and interest.