Rappaport Math Trainer

Fast CRE math for refinancing, acquisitions, ownership conversations, and executive decision-making.
—Accuracy
0Streak
—Avg Time
0Lifetime Qs
Mental mode emphasizes speed. Paper/calculator modes still score accuracy but relax the pace target.
Ready
Press Start to begin.
Formula Sheet
Property ValueNOI ÷ Cap Rate
Cap RateNOI ÷ Property Value
LTVLoan ÷ Property Value
DSCRNOI ÷ Annual Debt Service
Debt YieldNOI ÷ Loan Amount
Interest-Only Debt ServiceLoan × Interest Rate
Refi ProceedsNew Loan − Old Loan − Costs
Basis Points100 bps = 1.00%; 25 bps = 0.25%