About FreePropertyCalc
Free, professional-grade real estate calculators built for homebuyers and investors who want honest math, not optimistic projections.
Operated by KRG Investment
Why It Exists
Real estate decisions are frequently made with incomplete math, unclear assumptions, and spreadsheets that don't reflect reality. FreePropertyCalc was built to fix that by providing:
- Practical assumptions — vacancy, maintenance, and reserves so you don't overestimate returns.
- Clear explanations — for what each number means and how to interpret the output.
- Mobile-first design — so you can run the numbers in seconds, anywhere deals happen.
Who It Helps
Homebuyers
Compare rent vs buy, estimate ownership costs, and plan affordability before committing to a mortgage.
Rental Investors
Underwrite rentals with NOI, cap rate, cash flow, and realistic reserves using industry-standard formulas.
Wholesalers
Estimate MAO quickly using ARV, repairs, and end-buyer margin to find a defensible offer price.
Anyone Learning
Understand the fundamentals with plain-English guides, worked examples, and step-by-step FAQs.
Editorial Team
All calculators and guides on FreePropertyCalc are reviewed by our editorial team for accuracy, real-world applicability, and alignment with current lending and market conditions.
Real estate investor and software engineer with hands-on experience in rental property underwriting, fix-and-flip analysis, and the BRRRR strategy. Built FreePropertyCalc to give everyday investors the same tools used by professional underwriters.
Former mortgage loan officer with 8 years of experience in conventional and FHA lending. Reviews all homebuyer-focused guides and calculator logic for accuracy against current underwriting standards.
Real estate investor and property manager with a portfolio of residential rentals. Reviews investment-focused content including cap rate analysis, BRRRR deals, and multifamily underwriting guides.
Disclaimer: This site provides estimates for educational purposes only. Nothing on FreePropertyCalc is financial, legal, or tax advice. Always consult licensed professionals before making real estate decisions.
Our Methodology
- All calculators use industry-standard formulas verified against professional real estate underwriting methods.
- Default assumptions are intentionally conservative — we'd rather you be pleasantly surprised than caught off-guard.
- Content is reviewed and updated regularly to reflect current market conditions and lending standards.
- All outputs are clearly labeled as estimates, and every calculator links to guides explaining the underlying concepts.
How We're Different
Frequently Asked Questions
Is FreePropertyCalc really free?
Yes — 100% free. All calculators and guides are freely accessible with no sign-up, email, or payment required. The site is supported by advertising.
Who should use these calculators?
Anyone making real estate decisions: first-time homebuyers, rental property investors, house flippers, and wholesalers. Our tools are designed for both beginners and experienced investors.
Is this financial advice?
No. All content and calculator outputs are for educational and informational purposes only. Always consult a qualified professional — real estate agent, lender, CPA, or attorney — before making financial decisions.
How do you decide on default values?
We research typical market ranges and intentionally set defaults on the conservative side. For example, we default to 8% vacancy, 10% maintenance, and 5% CapEx reserves so your first-look numbers don't overstate returns. You can always adjust these to match your specific deal.