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Real Estate InvestorGenerated accuracy model review: 2026-05-06
Debt Yield Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Debt yield = annual NOI / loan amount x 100. Loan per dollar of NOI = loan amount / annual NOI.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Annual NOI: $180,000
- Loan Amount: $1,800,000
Expected outputs
- Debt Yield: 10.00%
- Loan per $1 of NOI: $10.00
Known limitations
- This calculator is a planning model only. It does not predict appreciation, market liquidity, lender approval, tax treatment, insurance availability, permit risk, legal obligations, construction defects, tenant behavior, or final sale price.
Assumptions
- All costs, rents, ARV, loans, reserves, fees, and rates are user-entered assumptions.
- Calculations are deterministic and do not fetch market rents, tax rules, insurance quotes, lender terms, or property records.
- Results are estimates only and are not financial, tax, legal, lending, appraisal, inspection, or investment advice.
Unit handling
- Annual NOI accepts values in $.
- Loan Amount accepts values in $.
- Debt Yield is displayed as a percentage.
- Loan per $1 of NOI is displayed as currency.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Currency outputs are displayed with standard US dollar formatting.
- Percent outputs are displayed with two decimal places.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current debt-yield-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Debt Yield Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.