Rappaport Math Trainer
Fast CRE math for refinancing, acquisitions, ownership conversations, and executive decision-making.
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Accuracy
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Streak
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Avg Time
0
Lifetime Qs
Practice Set
Mixed Rappaport
Mental Math Fundamentals
Deal / Property Math
Debt & Refinance Math
Session
Quick 10
Focused 25
Endless
Difficulty
Foundation
Working
Executive
How you're solving
Mental
Paper
Calculator
Mental mode emphasizes speed. Paper/calculator modes still score accuracy but relax the pace target.
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Formula Sheet
Property Value
NOI ÷ Cap Rate
Cap Rate
NOI ÷ Property Value
LTV
Loan ÷ Property Value
DSCR
NOI ÷ Annual Debt Service
Debt Yield
NOI ÷ Loan Amount
Interest-Only Debt Service
Loan × Interest Rate
Refi Proceeds
New Loan − Old Loan − Costs
Basis Points
100 bps = 1.00%; 25 bps = 0.25%