Construction Loan Calculator

Estimate the interest carried during construction, average monthly payments, and the permanent loan amount once the build is complete.

Project details
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Total project cost

$400,000

Loan amount

$320,000

Avg. outstanding balance

$160,000

Avg. monthly interest (during build)

$1,200.00

Total draw interest

$10,800

Estimated permanent loan

$320,000

Estimates assume the construction budget is drawn linearly over the build period, so the average outstanding balance is roughly land + half of the construction cost. Actual draw interest depends on the real draw schedule and any lender fees or inspection costs.

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