Real Estate Investment Calculators — Excel Tools for Every Deal Type
Every deal type has its own math — and its own way to get it wrong. These tools were built by an active investor for the exact analysis that matters before you commit: structuring seller financing terms, valuing a discounted note, modeling a land deal, or underwriting a rental. Purpose-built Excel files. Download once, use on every deal.
Free Seller Finance Calculator — No Signup Required
Run a quick amortization and monthly payment on any seller-financed deal. Free, web-based, and bookmarkable. No download required.
Compare Versions
Which Tool Is Right for Your Deal?
All versions run in Excel and Google Sheets. Buy once, use on every deal.
| Free Calculator Free Web-based · No download | Seller Finance Core $27 One-time · Excel file | Most Complete Seller Finance Pro $72 One-time · 11-tab Excel file | |
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Core Deal Analysis 8 features
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| Monthly P&I Payment Instant payment calculation from deal terms | ✓ | ✓ | ✓ |
| Full Amortization Schedule Month-by-month payment, interest, principal, and balance | ✓ | ✓ | ✓ |
| Annual Summary View Year-by-year rollup of principal, interest, and balance | ✓ | ✓ | ✓ |
| Shared Input Engine Enter deal terms once — all tabs update automatically | ✓ | ✓ | |
| Balloon Payment Support Model balloon timing and automatic payoff detection | ✓ | ✓ | |
| Loan Summary Dashboard Effective yield, LTV, total interest, and payoff stats | ✓ | ✓ | |
| Cash vs. Finance ROI Comparison Side-by-side ROI with present value discounting | ✓ | ✓ | |
| Print-Ready Deal Term Sheet One-page summary clean enough for buyers, title, or attorneys | ✓ | ✓ | |
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Advanced Analysis — Pro Only 5 features
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| Balloon & Payoff Modeler Payoff at any month · lump sum · recast · extra payment analysis | ✓ | ||
| Buyer Qualifier Weighted 6-factor scorecard · A–F grade · plain-English verdict | ✓ | ||
| Wrap Loan Analyzer Spread · yield · 30-yr amort · due-on-sale flag · TX compliance | ✓ | ||
| Installment Sale Tax 453 20-yr gain schedule · recapture · lump vs. installment tax comparison | ✓ | ||
| 3-Way Scenario Modeler Compare 3 deal structures side by side · winner flags on every metric | ✓ | ||
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Format & Delivery 5 features
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| Works in Excel & Google Sheets | ✓ | ✓ | |
| No Subscription One-time purchase or free — no recurring charges | ✓ | ✓ | ✓ |
| Instant Access Use online immediately (free) or download after purchase | ✓ | ✓ | ✓ |
| Free Updates New versions included at no additional cost | ✓ | ✓ | |
| Email Support | ✓ | ✓ | |
| Start with the tool that fits where you are. |
Try Free Tool No signup required | Buy Core — $27 Instant download | Buy Pro — $72 Instant download |
Our Tools
Seller Financing Tools
Seller Finance Core 6-Tab Excel Calculator
Structure any seller-financed deal with precision. 6-tab Excel file — amortization, loan summary, cash vs. finance ROI, and print-ready term sheet.
$27
One-time purchase
Instant download
Seller Finance Pro 11-Tab Advanced Calculator
Core plus five advanced tabs. Balloon modeling, buyer qualifying, wrap loan analysis, installment tax planning, and 3-way scenario comparison.
$72
One-time purchase
Instant download
Note Analyzing Tools
Note Analyzer Core— Excel Calculator for Note Investors
IRR, yield, discount pricing, 23-factor due diligence scorecard, and buy/sell analysis in one file.
$27
One-time purchase
Instant download
Note Analyzer Pro — Excel Calculator for Note Investors
Core plus five advanced tabs.
$72
One-time purchase
Instant download