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Twelve mortgage, investor, and commercial calculators. Enter your numbers, activate Calculate, and the result is announced right below each tool.
Residential
1. Monthly mortgage payment
Estimate your monthly principal and interest, with optional taxes and insurance.
For example, 30 or 15.
2. Home affordability
Estimate the home price you can afford based on income, debts, and a debt-to-income limit.
Leave blank to use 43%.
3. Refinance break-even
See how many months it takes for monthly savings to recover your closing costs.
4. Extra payment payoff
See how much time and interest you save by paying extra each month.
5. Rent vs. buy
A simplified comparison of total rent versus total buying outlay over the years you plan to stay.
Investor
6. DSCR (debt service coverage ratio)
Divide monthly rent by monthly debt service to see if a property qualifies for a DSCR loan.
Principal, interest, taxes, insurance, and any HOA (PITIA).
7. Cash-on-cash return
Measure the annual cash return on the actual cash you invested.
Down payment plus closing costs and rehab.
Net income after all expenses and debt service.
8. Cap rate
Net operating income divided by property value — a quick measure of unleveraged return.
Income after operating expenses, before loan payments.
9. Fix-and-flip profit
Estimate profit and see the 70% rule maximum offer for a flip.
Commercial
10. Commercial loan payment
Monthly payment on a commercial loan, with an optional balloon balance.
For example, 25 or 30.
When the balance comes due, if shorter than amortization.
11. Loan-to-value (LTV)
The loan amount as a percentage of property value — a key underwriting figure.
12. Debt yield
Net operating income divided by loan amount — how commercial lenders size a loan independent of rate.