Mortgage & Home Calculators
Use these mortgage and home calculators to estimate monthly payments, compare loan options, check affordability, plan a down payment, review PMI, and understand how different choices may affect total housing cost.
Main Mortgage Calculator
Use this mortgage calculator to estimate monthly house payments with principal, interest, taxes, insurance, PMI, HOA fees, total interest, and amortization.
How Much House Can I Afford Calculator
Use this house affordability calculator to estimate a possible home price, monthly payment, front-end DTI, back-end DTI, and cash needed.
Down Payment Calculator
Use this down payment calculator to estimate cash down, loan amount, LTV, PMI impact, closing cash, and mortgage payment.
Mortgage Calculator with Extra Payments
Use this mortgage extra payment calculator to compare normal payments with extra monthly, yearly, or one-time principal payments.
15 vs 30 Year Mortgage Calculator
Use this 15 vs 30 year mortgage calculator to compare payment, interest, total cost, and payoff differences between two loan terms.
PMI Mortgage Calculator
Use this PMI mortgage calculator to estimate private mortgage insurance, full payment, LTV, upfront PMI, escrow costs, and 80/78 LTV removal timing.
Mortgage Debt To Income Calculator
Use this mortgage debt to income calculator to estimate front-end DTI, back-end DTI, housing cost, debts, and affordability pressure.
Refinance Calculator
Use this refinance calculator to estimate a new payment, monthly savings, refinance closing costs, break-even timing, and net savings.
Rent vs Buy Calculator
Use this rent vs buy calculator to compare renting with buying using break-even timing, upfront cash, monthly costs, home equity, selling costs, and investment opportunity cost.
Mortgage Points Calculator
Use this mortgage points calculator to estimate point cost, lower-rate payment, monthly savings, and break-even timing.
ARM Mortgage Calculator
Use this ARM mortgage calculator to compare initial ARM payment, adjusted payment, rate caps, payment shock, and amortization.
Mortgage Recast Calculator
Use this mortgage recast calculator to estimate payment after a principal lump sum, recast fee, interest savings, and payment difference.
Mortgage Payoff Calculator
Use this mortgage payoff calculator to estimate remaining payoff time, interest cost, and savings from extra payments.
Biweekly Mortgage Calculator
Use this biweekly mortgage calculator to compare monthly, weekly, biweekly, and accelerated payment schedules.
Reverse Mortgage Calculator
Use this reverse mortgage calculator to estimate proceeds, monthly payout, closing costs, payoff, fees, projected balance, and remaining equity.
Mortgage Comparison Calculator
Use this mortgage comparison calculator to compare two mortgage options side by side by payment, fees, taxes, insurance, PMI, and total cost.
Balloon Mortgage Calculator
Use this balloon mortgage calculator to estimate regular payment, remaining balance, final balloon payment, and payoff risk.
Mobile Home Mortgage Calculator
Use this mobile home mortgage calculator to estimate monthly payment, total interest, taxes, fees, and amortization for a mobile or manufactured home loan.
Commercial Mortgage Calculator
Use this commercial mortgage calculator to estimate debt service, DSCR, NOI, cash flow, LTV, and maturity balance.
Commercial Property Depreciation Calculator
Use this commercial property depreciation calculator to estimate building basis, annual depreciation, tax benefit, adjusted basis, and recapture context.
Mortgage & Home Calculators Guides
Use these short guides to choose the right calculator before opening a tool. Each guide explains the purpose, basic formula, inputs, and results in plain language.
Main Mortgage Calculator
Use the main mortgage calculator when you want a quick payment estimate before comparing PMI, points, extra payments, or refinance options.
- Monthly payment = P × r × (1 plus r)^n ÷ ((1 plus r)^n minus 1)
- P = loan amount
- r = monthly interest rate
- n = total number of monthly payments
- Loan amount
- Annual interest rate
- Loan term in years
- Optional taxes, insurance, PMI, HOA, or extra cost fields when available
- Monthly principal and interest
- Total interest
- Total paid
- Payoff time
- Final balance
How Much House Can I Afford Calculator
Use this calculator to estimate a realistic home price from income, debts, down payment, and housing cost limits. It also works as a housing ratio calculator.
- Housing ratio = monthly housing cost ÷ gross monthly income × 100
- Total debt ratio = monthly housing cost plus monthly debts ÷ gross monthly income × 100
- Affordable payment is limited by the lower of the housing ratio limit and total debt ratio limit
- Gross income
- Monthly debts
- Down payment
- Interest rate
- Loan term
- Property tax, insurance, PMI, and HOA
- Housing ratio and total debt ratio limits
- Estimated affordable home price
- Estimated loan amount
- Monthly housing cost
- Housing ratio
- Total debt ratio
- Housing cost breakdown
Down Payment Calculator
Use the down payment calculator to estimate upfront cash, loan amount, monthly payment impact, LTV, and PMI risk.
- Down payment amount = home price × down payment percent ÷ 100
- Loan amount = home price minus down payment amount
- LTV = loan amount ÷ home price × 100
- Monthly payment uses the standard amortization formula when rate and term are entered
- Home price
- Down payment percent or down payment amount
- Interest rate
- Loan term
- Property tax, insurance, PMI, HOA, and closing cost assumptions when used
- Down payment amount
- Loan amount after down payment
- Down payment percent
- LTV
- Estimated monthly payment
- PMI impact
- Estimated cash needed
- 5 percent, 10 percent, and 20 percent down comparison
Mortgage Calculator with Extra Payments
Use this calculator to see how extra principal payments may reduce interest and shorten the payoff date. It also supports the one extra mortgage payment per year planning intent.
- Scheduled interest = current balance × monthly interest rate
- Principal paid = monthly payment minus scheduled interest plus extra principal
- New balance = old balance minus principal paid
- Interest saved = regular plan interest minus extra payment plan interest
- Loan balance or loan amount
- Annual interest rate
- Loan term in years
- Extra payment strategy
- Extra monthly amount, one extra yearly payment, custom yearly amount, or one time principal payment
- Regular payoff time
- New payoff time with extra payments
- Interest saved
- Time saved
- Regular versus extra payment schedule
15 vs 30 Year Mortgage Calculator
Use this calculator to compare a 15 year mortgage with a 30 year mortgage by payment, interest, and long term cost.
- 15 year payment = amortization payment using the 15 year term
- 30 year payment = amortization payment using the 30 year term
- Interest difference = total interest on 30 year loan minus total interest on 15 year loan
- Loan amount
- 15 year interest rate
- 30 year interest rate
- Optional custom term or cost assumptions when available
- 15 year monthly payment
- 30 year monthly payment
- Payment difference
- Total interest difference
- Total cost comparison
- Yearly and monthly breakdown where available
PMI Mortgage Calculator
Use the PMI mortgage calculator to estimate private mortgage insurance, LTV, total monthly housing cost, and possible PMI removal timing.
- Loan amount = home price minus down payment
- LTV = loan amount ÷ home price × 100
- Monthly PMI = loan amount × annual PMI rate ÷ 100 ÷ 12
- Total monthly payment = principal and interest plus PMI, taxes, insurance, HOA, and extra principal when entered
- Home price
- Down payment percent or amount
- Mortgage interest rate
- Loan term
- Annual PMI rate
- Property tax, insurance, HOA, and target equity for PMI removal
- Monthly PMI
- Yearly PMI
- LTV
- Down payment percent
- Total monthly payment with PMI
- 20 percent down comparison
- Estimated PMI end point
Mortgage Debt To Income Calculator
Use the mortgage debt to income calculator to estimate front end and back end DTI from income, housing costs, and monthly debts.
- Front end DTI = monthly housing cost ÷ gross monthly income × 100
- Back end DTI = monthly housing cost plus monthly debts ÷ gross monthly income × 100
- Room under guideline = selected guideline limit minus calculated DTI
- Gross income
- Principal and interest payment
- Property tax
- Home insurance
- PMI
- HOA
- Credit card, auto loan, student loan, personal loan, support payment, and other monthly debts
- Front end DTI
- Back end DTI
- Housing cost breakdown
- Debt breakdown
- Guideline comparison
- Room under selected DTI guideline
Refinance Calculator
Use the refinance calculator to compare your current mortgage with a new loan and see whether savings may justify closing costs.
- Monthly savings = current payment minus new payment
- Break even months = refinance closing costs ÷ monthly savings
- Net savings = total savings over time minus closing costs
- Current balance
- Current payment or current rate and term
- New interest rate
- New loan term
- Refinance closing costs
- Optional cash out or fee assumptions when available
- Current payment
- New payment
- Monthly savings
- Break even months
- Total interest comparison
- Refinance value summary
Rent vs Buy Calculator
Use the rent vs buy calculator to compare renting with owning by total cost, equity, growth, and opportunity cost.
- Renting cost = rent payments plus renter costs minus investment growth on unused cash
- Buying cost = mortgage costs plus taxes, insurance, maintenance, fees, and selling costs minus home equity
- Estimated advantage = higher cost option minus lower cost option
- Monthly rent
- Rent increase rate
- Home price
- Down payment
- Mortgage rate and term
- Taxes, insurance, HOA, maintenance, closing costs, selling costs, appreciation, and investment return assumptions
- Renting total cost
- Buying total cost
- Estimated better option
- Cost advantage
- Home equity estimate
- Break even style comparison
Mortgage Points Calculator
Use the mortgage points calculator to compare upfront discount points with a lower interest rate and see the break even point.
- Points cost = loan amount × points percent ÷ 100
- Monthly savings = payment without points minus payment with points
- Break even months = points cost ÷ monthly savings
- Net savings = savings over planned years minus points cost
- Loan amount
- Rate without points
- Rate after points
- Loan term
- Points percent or exact dollar cost
- Optional years you plan to keep the loan
- Upfront points cost
- Payment without points
- Payment with points
- Monthly savings
- Break even time
- Net savings over planned years
ARM Mortgage Calculator
Use the ARM mortgage calculator to calculate adjustable rate mortgage payments, payment shock, risk level, and amortization before and after the rate adjustment.
- Initial payment uses loan amount, starting rate, and full term
- Adjusted payment uses remaining balance, adjusted rate, and remaining term
- Payment change = adjusted payment minus initial payment
- Payment increase percent = payment change ÷ initial payment × 100
- Risk level uses payment increase percent, optional caps, and optional comfortable payment limit
- Loan amount
- Initial interest rate
- Initial fixed period
- Adjusted interest rate
- Loan term
- Optional first adjustment cap
- Optional lifetime cap
- Optional maximum comfortable payment
- Initial ARM payment
- Adjusted ARM payment
- Payment change
- ARM risk level
- Cap based max payment
- Remaining balance
- Yearly amortization
- Monthly amortization details
Mortgage Recast Calculator
Use this recast calculator to estimate how a lump sum principal payment may lower your monthly payment without replacing the loan.
- Recast balance = current balance minus lump sum principal payment
- New payment = recast balance × r × (1 plus r)^n ÷ ((1 plus r)^n minus 1)
- Monthly savings = current payment minus new payment
- Fee break even = recast fee ÷ monthly savings
- Current loan balance
- Interest rate
- Remaining term
- Lump sum principal payment
- Optional lender recast fee
- Optional minimum lump sum rule
- New recast payment
- Monthly savings
- Before and after payment comparison
- Fee break even
- Updated balance view
Mortgage Payoff Calculator
Use the mortgage payoff calculator to estimate how long it may take to fully pay off a loan with your current payment or extra principal.
- Monthly interest = current balance × monthly interest rate
- Principal paid = monthly payment minus monthly interest plus extra principal
- New balance = current balance minus principal paid
- Current mortgage balance
- Interest rate
- Current monthly payment
- Optional extra payment amount
- Optional payoff target assumptions when available
- Estimated payoff time
- Total interest
- Interest savings
- Remaining balance by period
- Monthly payoff schedule
Biweekly Mortgage Calculator
Use the biweekly mortgage calculator to compare standard monthly payments with a biweekly payment strategy.
- Standard plan uses one monthly payment each month
- Biweekly plan uses half payment every two weeks
- Biweekly payment can create an extra payment effect over the year
- Savings = standard interest minus biweekly interest
- Loan amount
- Annual interest rate
- Loan term
- Biweekly payment strategy
- Optional extra payment assumptions when available
- Standard monthly payment
- Biweekly payment
- Interest savings
- Payoff time difference
- Biweekly schedule details
Reverse Mortgage Calculator
Use the reverse mortgage calculator to estimate proceeds, payoff needs, closing costs, interest, home equity, and projected balance.
- Available equity estimate starts with home value minus existing mortgage payoff and costs
- Net proceeds = estimated available amount minus payoff, fees, and set aside amounts
- Projected balance grows as interest and fees are added over time when no voluntary repayment is made
- Home value
- Existing mortgage balance
- Age related assumptions
- Expected interest rate
- Closing costs and fees
- Payoff or set aside details when available
- Estimated proceeds
- Reverse mortgage fees
- Payoff amount
- Projected interest
- Home equity impact
- Projected loan balance
Mortgage Comparison Calculator
Use the mortgage comparison calculator to compare two loan options side by side by rate, term, fees, PMI, taxes, and full cost.
- Each loan payment uses the standard amortization formula
- Total cost = principal, interest, fees, and selected monthly costs
- Savings difference = higher cost option minus lower cost option
- Loan amount for each option
- Interest rate for each option
- Loan term for each option
- Fees, taxes, insurance, PMI, and HOA when used
- Option A monthly payment
- Option B monthly payment
- Payment difference
- Total interest comparison
- Full cost comparison
- Estimated lower cost option
Balloon Mortgage Calculator
Use the balloon mortgage calculator to estimate payments during the short term period and the larger final balloon balance.
- Monthly payment is based on the amortization term
- Balloon balance equals remaining loan balance at the end of the balloon term
- Final payoff need = balloon balance plus any selected costs
- Loan amount
- Interest rate
- Amortization term
- Balloon term
- Optional tax, insurance, or payoff assumptions
- Monthly payment
- Balloon balance
- Final balloon payment
- Total interest before balloon date
- Payoff or refinance risk view
Mobile Home Mortgage Calculator
Use the mobile home mortgage calculator to estimate payments for a manufactured or mobile home loan.
- Loan amount = mobile home price minus down payment
- Monthly payment = P × r × (1 plus r)^n ÷ ((1 plus r)^n minus 1)
- Total interest = total paid minus loan amount
- Mobile home price
- Down payment
- Interest rate
- Loan term
- Tax, insurance, land rent, or fee assumptions when available
- Loan amount
- Estimated monthly payment
- Total interest
- Total paid
- Cost breakdown for planning
Commercial Mortgage Calculator
Use the commercial mortgage calculator to estimate business property debt service, DSCR, LTV, cash flow, and maturity balance.
- Monthly debt service uses the amortization payment formula
- Annual debt service = monthly debt service × 12
- DSCR = net operating income ÷ annual debt service
- LTV = loan amount ÷ property value × 100
- Property value
- Loan amount
- Interest rate
- Loan term
- Amortization period
- Net operating income
- Operating expenses and commercial assumptions
- Monthly debt service
- Annual debt service
- DSCR
- Cash flow
- LTV
- Maturity balance
Commercial Property Depreciation Calculator
Use the commercial property depreciation calculator to estimate building depreciation with GDS, ADS, recovery period, basis, tax benefit, and possible recapture.
- Depreciable basis = property cost minus land value plus eligible building improvements
- Annual straight line depreciation = depreciable basis ÷ recovery period
- Tax benefit estimate = annual depreciation × tax rate ÷ 100
- Adjusted basis = starting basis minus accumulated depreciation
- Property purchase price
- Land value
- Building improvements
- Depreciation system such as GDS, ADS, or custom
- Recovery period
- Years to project
- Tax rate and recapture assumptions when used
- Depreciable building basis
- Annual depreciation
- Monthly depreciation estimate
- Accumulated depreciation
- Adjusted basis
- Estimated tax benefit
- Possible recapture estimate