Is this a lender approval estimate?
No. This calculator is an educational planning tool. It compares the numbers you enter with common affordability pressure points, but lenders use their own underwriting rules.
Compare the numbers behind buying, renting,moving, waiting, and long-term housing choices.
Settings
This site does not require an account, name, email address, username, password, or public profile to use the tools.
Calculator entries may be saved only in this browser so you can return on the same device and update them.
PDF downloads are free and do not require an email address. Optional email delivery remains separate from the free download.
This site is not designed to sell personal data. Use Clear saved data at any time to remove saved calculator information from this browser.
How This Site Works
Major housing decisions can turn into a pile of separate questions very quickly: can I afford this, is renting still smarter, what does refinancing actually save, and how does this fit my long-term plan?
This site was built to make those questions easier to face with plain-English, mobile-friendly decision support.
The goal is not to replace a real estate professional, mortgage broker, or financial advisor. The goal is to help you see your situation more clearly before making an important housing decision.
Open a calculator, enter the numbers you know, and tap Calculate.
Calculation details
Each tool uses the information you enter, visible assumptions, and deterministic calculations. Risk flags and plain-English explanations highlight what matters most.
Results are estimates. They depend on the inputs, assumptions, and missing details shown in the result.
The Download PDF Report button creates a report from the last calculated result where available.
Shared Journeys adds a human layer to calculators and articles by showing realistic experiences, tradeoffs, and lessons from people facing similar decisions.
Open Shared JourneysThe calculator results are free to view on this site.
The optional PDF is a convenience export for users who want to save, print, or share their calculation. It is educational, not professional advice.
The PDF report may include the selected tool, information entered, key numbers, assumptions, risk flags, confidence indicators, plain-English explanation, and the educational disclaimer.
Click Calculate first so the PDF matches the most recent result shown on the page.
Ads are not included in the PDF report.
HomeDecisionIQ is an educational calculator and decision-support site. It does not provide financial, legal, tax, mortgage, real estate, insurance, investment, or professional advice.
Results are estimates based on the information entered and assumptions shown. Outcomes depend on personal circumstances, market conditions, applicable rules, timing, and future events that cannot be predicted.
Read full disclaimerA: No. HomeDecisionIQ is an educational calculator and decision-support site. It does not provide financial, legal, tax, mortgage, real estate, insurance, or professional advice.
A: No. The tools do not require an account, username, password, email address, or profile.
A: Housing decisions depend on assumptions like purchase price, down payment, interest rate, rent comparison, and holding period. Showing assumptions makes the result easier to question and update.
A: Yes. The calculator includes a free PDF export so you can save, print, or share your result.
A: Shared Journeys is a plain-English collection of housing experiences people might recognize. It is educational context, not advice.
Where Should I Start?
HomeDecisionIQ has three separate calculators. Each one answers a different part of the housing decision.
Check ownership cost, income pressure, cash reserves, risk flags, and assumptions before making an offer.
Check AffordabilityCompare buying and renting across cash needed, planned stay, appreciation, investment return, and flexibility.
Compare Rent and BuyReview savings, break-even timing, refinance costs, PMI/MIP effects, interest impact, and risk.
Review RefinanceActive engine
Check ownership cost, income pressure, cash reserves, risk flags, and assumptions before making an offer.
Data last reviewed
July 2, 2026
Calculator type
Educational estimate
This analysis answers whether a home purchase appears financially sustainable — not just whether you can qualify for a mortgage. We examine real monthly costs, cash reserves, and financial stress, with every assumption visible.
Analysis Level
No entries. Click Add to expand.
Privacy First
The information you enter is used only to perform calculations in your browser. We do not store, retain, sell, or share your calculator inputs. Refreshing the page or using Clear All Data removes the information.
How this works
Privacy: Your information stays on your device. These calculators perform calculations in your browser and do not require an account.
Disclaimer: HomeDecisionIQ provides educational estimates only. It is not mortgage, real-estate, financial, tax, legal, insurance, or professional advice.
Common Questions
No. This calculator is an educational planning tool. It compares the numbers you enter with common affordability pressure points, but lenders use their own underwriting rules.
A lender-style ratio may focus on income and debt. A comfortable budget also reflects cash left after closing, savings goals, emergency reserves, and monthly breathing room.
Interest rate, down payment, property taxes, insurance, HOA fees, monthly debt, closing costs, and post-closing cash reserves can materially change the result.
Helpful Reading

Can I Afford This House?
Learn why home affordability depends on more than lender approval, including income, debt, down payment, taxes, insurance, and comfort level.

Can I Afford This House?
Learn which ownership costs can matter after buying, including taxes, insurance, utilities, HOA fees, closing costs, repairs, and maintenance.

Can I Afford This House?
Learn why 20% down is not the only path to buying a home, and how to weigh monthly payment, mortgage insurance, cash reserves, and flexibility.
Shared Journeys
Shared Journeys will feature approved stories from real visitors. Until then, the library stays open for new submissions instead of showing sample story cards.
Share a home decision journey