Calculator
Interest Rate Sweep
Stress-test the deal against rising or falling borrowing costs.
Property
Base property and rent assumptions held constant while interest rates move.
Equity and costs
Debt settings and operating costs used in each scenario.
Sweep range
Choose the starting rate, increment, and row count to test.
Share feedback
How did this calculator feel?
Share friction, missing assumptions, confusing labels, or improvements while the scenario is still fresh.
Sweep summary
Use this view to understand how sensitive the deal is to changes in borrowing cost.
Cashflow by interest rate
Watch the carry profile deteriorate as rates move higher under the same rent and cost assumptions.
P&I cashflow
IO cashflow
Active point
7.00%P&I cashflow-$8,469.42
IO cashflow-$3,748.00
Sensitivity table
Fixed rent and property assumptions with interest-only and principal-plus-interest views.
| Interest rate | Expenses | IO cashflow | IO ROI | P&I cashflow | P&I ROI |
|---|---|---|---|---|---|
| 4.00% | -$6,548.00 | $10,652.00 | 7.40% | $2,352.88 | 1.63% |
| 4.25% | -$6,548.00 | $9,452.00 | 6.56% | $1,516.26 | 1.05% |
| 4.50% | -$6,548.00 | $8,252.00 | 5.73% | $666.93 | 0.46% |
| 4.75% | -$6,548.00 | $7,052.00 | 4.90% | -$194.89 | -0.14% |
| 5.00% | -$6,548.00 | $5,852.00 | 4.06% | -$1,068.93 | -0.74% |
| 5.25% | -$6,548.00 | $4,652.00 | 3.23% | -$1,954.93 | -1.36% |
| 5.50% | -$6,548.00 | $3,452.00 | 2.40% | -$2,852.65 | -1.98% |
| 5.75% | -$6,548.00 | $2,252.00 | 1.56% | -$3,761.80 | -2.61% |
| 6.00% | -$6,548.00 | $1,052.00 | 0.73% | -$4,682.11 | -3.25% |
| 6.25% | -$6,548.00 | -$148.00 | -0.10% | -$5,613.31 | -3.90% |
| 6.50% | -$6,548.00 | -$1,348.00 | -0.94% | -$6,555.12 | -4.55% |
| 6.75% | -$6,548.00 | -$2,548.00 | -1.77% | -$7,507.25 | -5.21% |
| 7.00% | -$6,548.00 | -$3,748.00 | -2.60% | -$8,469.42 | -5.88% |