Investor Tools
Model payments, leverage, cash flow, project returns and competing financing structures with professional-grade calculators built for real estate investors.
Run the numbers before you commit capital.
These calculators go beyond simple ratios. Compare loan structures, model amortization, test rental cash flow, evaluate renovation and construction economics, and estimate the impact of refinancing or consolidating debt.
Change assumptions instantly and see how leverage, rate, term, fees and property performance affect the deal.
Advanced Loan Payment Calculator
Annual amortization snapshot
| Year | Principal | Interest | Ending Balance |
|---|
Advanced Loan Comparison
Compare monthly payment, fees, five-year cost and lifetime interest. Use the Add Scenario button for up to four structures.
Rental Property / DSCR Analyzer
*Cash flow shown is rent less vacancy and PITIA only; it does not include repairs, management, utilities or other operating expenses.
Fix & Flip Deal Analyzer
BRRRR Strategy Analyzer
*Rent less PITIA only. Include maintenance, vacancy and management in your full investment underwriting.
Construction Financing Analyzer
Commercial Debt Metrics
Blended Rate Calculator
Enter up to four debts to calculate the balance-weighted blended interest rate.
Debt Consolidation Calculator
*Interest figures are estimates for comparison and are not tax advice.
Turn the model into a real financing scenario.
Send the property, borrower and project details to Karpata and we will evaluate actual lender paths, leverage and terms.
Calculators are for preliminary educational and scenario-planning purposes only. Results are estimates based on the assumptions entered and do not constitute a loan approval, commitment, quote, investment recommendation, tax advice or legal advice. Actual lender calculations, qualifying income, fees, draw timing, amortization and program requirements may differ.