Property calculators
Property Calculators
A practical hub of mortgage, rental and project calculators for property decisions. Start with the question on the table, then open the calculator that matches the payment, cash-flow, refinance or project number you need.
Results are planning estimates based on the numbers you enter. Region settings change labels, defaults and currency formatting only; they do not convert currencies or apply local tax rules.
High-intent starting points
Start with the property question
These calculators cover the common first decisions for buyers, owners and investors.
Could this property work as a rental?
Rental Property Calculator
Estimate pre-tax rental property cash flow, gross yield, net yield, cash-on-cash return and break-even rent.
What could this rental look like over 10 years?
10-Year Rental Property Forecast Calculator
Project rental cash flow, loan balance, property value, equity and return over a holding period using visible assumptions and downside checks.
How much cash might stay in the deal?
Deposit Recycling Calculator
Estimate how long it may take to recover property investment cash through surplus cash flow or refinance assumptions.
Would this renovation improve the rental hold?
Renovate-to-Rent Calculator
Estimate whether a renovation could improve rental cash flow, rent, value, equity and cash left in the deal.
How much would the mortgage cost?
Mortgage Payment Calculator
Estimate monthly mortgage or home-loan payments from property price, deposit, interest rate, loan term, repayment type, taxes, insurance and fees.
Can I afford this home?
Mortgage Affordability Calculator
Estimate an affordable property price from income, deposit or down payment, monthly debts, mortgage assumptions and recurring housing costs.
Calculator library
Property calculators by job
Each section keeps the calculator name visible while leading with the human question people usually ask first.
Section 01
Quick rental check
Start here when you need a fast rent, cash-flow, yield or break-even view before going deeper.
Could this property work as a rental?
Rental Property Calculator
Estimate pre-tax rental property cash flow, gross yield, net yield, cash-on-cash return and break-even rent.
What rent would break even?
Break-Even Rent Calculator
Estimate the gross monthly rent needed to cover mortgage payments, vacancy, property management and monthly rental property expenses.
What yield or cap rate does this property show?
Rental Yield Calculator
Estimate rental yield, gross yield, net yield, capitalization rate, net operating income and simple rental cash flow from price, rent and expenses.
Section 02
Downside and cash-flow risk
Stress rent, vacancy, holding costs, target return and offer assumptions before the deal looks too neat.
What rent hits the target?
Target Rent Calculator
Estimate rent needed to reach a target cash flow, DSCR, gross yield or cash-on-cash return from rental assumptions.
What offer price fits the numbers?
Maximum Offer Price Calculator
Reverse-calculate an estimated property offer price from target cash flow, DSCR, cap rate or cash-on-cash return assumptions.
Could this short-term rental scenario work?
Short-Term Rental Calculator
Estimate short-term rental revenue, platform fees, expenses, NOI, cash flow and break-even occupancy from your nightly rate, occupancy and cost assumptions.
What will it cost to hold this property?
Holding Cost Calculator
Estimate monthly, weekly and total property holding costs during renovation, vacancy, delayed sale or settlement.
Section 03
Long-term hold
Look beyond month one with a multi-year rental forecast and the loan balance over time.
What could this rental look like over 10 years?
10-Year Rental Property Forecast Calculator
Project rental cash flow, loan balance, property value, equity and return over a holding period using visible assumptions and downside checks.
How does the loan balance pay down?
Mortgage Amortization Calculator
Estimate a mortgage amortization schedule with principal, interest, remaining balance, total interest and payoff date.
Section 04
Refinance / deposit recycling
Check refinance assumptions, cash left in the deal, capital recovery and extra-payment paths carefully.
How much cash might stay in the deal?
Deposit Recycling Calculator
Estimate how long it may take to recover property investment cash through surplus cash flow or refinance assumptions.
Would refinancing help?
Mortgage Refinance Calculator
Compare a current mortgage with a possible new loan using payment change, refinance costs, break-even months and interest difference.
What would extra payments change?
Extra Mortgage Payment Calculator
Estimate how extra monthly or one-off mortgage payments could change payoff time, total interest and payoff date.
What could a BRRRR deal leave in the project?
BRRRR Calculator
Estimate a BRRRR property scenario with purchase, rehab, ARV, rent, refinance LTV, costs, cash left in the deal, DSCR and monthly cash flow.
Section 05
Renovation strategies
Separate renovate-to-hold, project ROI and holding-cost assumptions before treating value uplift as real.
Would this renovation improve the rental hold?
Renovate-to-Rent Calculator
Estimate whether a renovation could improve rental cash flow, rent, value, equity and cash left in the deal.
Could this renovation pay back?
Renovation ROI Calculator
Estimate renovation ROI, net value uplift, break-even value increase and total project cost from cost and value-uplift assumptions.
Section 06
Sale / flip strategies
Use sale-focused tools when the project depends on resale price, selling costs and flip timing.
Section 07
Mortgage and affordability
Work from price range to monthly payment, upfront cash, debt ratios and rent-vs-buy context.
Can I afford this home?
Mortgage Affordability Calculator
Estimate an affordable property price from income, deposit or down payment, monthly debts, mortgage assumptions and recurring housing costs.
How much would the mortgage cost?
Mortgage Payment Calculator
Estimate monthly mortgage or home-loan payments from property price, deposit, interest rate, loan term, repayment type, taxes, insurance and fees.
How much cash is needed upfront?
Down Payment Calculator
Estimate deposit or down payment amount, loan amount, loan-to-value, purchase costs and savings gap for a home purchase.
How much income goes to housing and debt?
Debt-to-Income Calculator
Estimate front-end and back-end debt-to-income ratios from income, housing costs and monthly debt payments.
Should I rent or buy for this scenario?
Rent vs Buy Calculator
Compare renting and buying over a selected holding period using rent, mortgage, ownership costs, transaction costs, property growth and opportunity cost.
Which mortgage scenario costs less?
Mortgage Comparison Calculator
Compare two mortgage scenarios by payment, interest, fees, remaining balance and estimated total cost over time.
Reference notes
Guides and methodology
Supporting guides explain mortgage, rental, project and site assumptions without turning the calculators into dense reading pages.
Start here
Choose the right calculator and understand the shared property assumptions.
- Which Property Calculator Should I Use? Choose between mortgage, rental, rent-vs-buy, refinance, BRRRR, flipping and yield calculators by question.
- Property calculator methodology Shared property formulas and assumptions for mortgages, rental metrics, downside scenarios, region settings and estimate limits.
Mortgage and home-loan guides
Payment, affordability, down payment, refinance, extra-payment and rent-vs-buy assumptions.
- Mortgage Repayments Explained Understand principal, interest, home-loan repayments, total housing cost and regional mortgage wording.
- Mortgage Payment Example A practical mortgage payment scenario showing price, deposit, loan amount, interest rate, term and housing costs.
- Mortgage Payment vs Mortgage Affordability: Which Calculator Should I Use? Choose between a mortgage payment calculator and a mortgage affordability calculator with a practical example and assumption notes.
- Mortgage Affordability Assumptions: Income, Debt, Deposit and Housing Costs Understand the income, debt, deposit, housing-cost and loan-to-value assumptions behind mortgage affordability estimates.
- Deposit, Down Payment and Loan-to-Value Explained A plain-English guide to deposits, down payments, loan amount, loan-to-value, purchase costs and savings gaps.
- Mortgage Refinance Break-Even Example A worked mortgage refinance example showing payment change, refinance costs, break-even months and interest tradeoffs.
- Extra Mortgage Payments: How They Change Interest and Payoff Time A worked example showing how extra mortgage payments can change estimated interest, payoff time and remaining balance.
- Rent vs Buy Assumptions Guide Understand holding period, transaction costs, maintenance, rent growth, property growth and opportunity cost in rent-vs-buy comparisons.
Rental and investment guides
Rental metrics, cash flow examples, BRRRR scenarios and short-term rental assumptions.
- Rental Property Calculator Assumptions Understand effective rent, vacancy, arrears, maintenance, CapEx, downside scenarios, instant equity, workflow tools and regional tax notes where available.
- Rental Yield, Cap Rate, Cash-on-Cash and DSCR Explained A concise glossary for rental yield, cap rate, cash-on-cash return, NOI, DSCR and break-even rent.
- Rental Property Analysis Example A worked rental property example showing cash flow, yield, break-even rent and the assumptions that move the result.
- Rental Property Cash Flow Example A practical rental cash-flow scenario showing rent, vacancy, expenses, mortgage payments and before-tax cash flow.
- BRRRR Property Example: Cash Left in the Deal, DSCR and Cash Flow A worked BRRRR example showing project cost, refinance proceeds, cash left in the deal, DSCR and before-tax cash flow.
- Short-Term Rental Assumptions: Occupancy, Nightly Rate, Fees and Expenses Understand occupancy, nightly rate, available nights, platform fees, management, cleaning and monthly expense assumptions.
Project and renovation guides
Project-style property estimates, including flipping costs, renovation assumptions and holding risk.
Site assumptions
General methodology, privacy and export behaviour that apply across NoNoiseTools calculators.
- Calculator methodology and assumptions How NoNoiseTools handles formulas, rounding, timing, region settings, exports and general estimate limits.
- Region Settings and Currency Formatting Understand how NoNoiseTools uses static defaults, detected regions, manual preferences, units, labels and currency formatting without exchange-rate conversion.
- Browser-Based Privacy and Export Behaviour Understand how NoNoiseTools handles browser-side calculations, pasted text, file processing, copy actions, downloads and privacy expectations.
How NoNoiseTools property calculators work
Each tool focuses on one clear property question and keeps extra assumptions visible or behind collapsed sections where possible. Calculations run in the browser where practical.
What these calculators do not include
These tools provide general estimates only. They do not provide financial, tax, legal, accounting, mortgage or investment advice, and they do not account for every local rule, lender requirement, tax treatment, market condition or ownership cost.
FAQs
Which property calculator should I start with?
Start with the question you need to answer: mortgage payment for loan payments, affordability for price range, rental property for cash flow, property yield for rent-to-price checks, or renovation and flipping tools for project scenarios.
Are these property calculators financial advice?
No. They provide planning estimates based on the numbers entered and are not financial, tax, legal, accounting, mortgage or investment advice.
Do the calculators include tax?
Most property calculators are pre-tax unless a field clearly asks for a user-entered tax assumption.
Can I use these calculators outside the United States?
Yes, where region and currency settings are available. They change formatting, labels and defaults only; they do not convert currencies or apply local rules.
Do these calculators save my inputs?
They do not require an account. Calculations run in your browser where practical, and copy or CSV exports are generated only when you start them.
What is the difference between yield and cash flow?
Yield compares rent or net operating income with property value. Cash flow also includes monthly money in and out, such as mortgage payments.
What is the difference between break-even rent and target rent?
Break-even rent estimates the rent needed to cover the costs entered. Target rent works backward from a chosen cash flow, yield, DSCR or return target.