Mortgage calculators and guides
Model the full cost of buying and financing a home, then understand the assumptions behind each result.
Calculators
Home Affordability
Estimate an affordable home price using income, debts, housing costs, and target DTI.
Inputs
- Income
- Debts
- Down Payment
PITI Calculator
Estimate monthly principal, interest, taxes, insurance, PMI, HOA, and total PITI payment.
Inputs
- Home price
- Down payment
- Rate
- Tax
Loan / Mortgage Payment
Estimate payment, total interest, total cost, and amortization schedule.
Inputs
- Loan amount
- Rate
- Term
Mortgage Closing Costs
Estimate buyer closing costs, credits, prepaids, and total cash needed at closing.
Inputs
- Home price
- Down payment
- Fees
- Credits
PMI
Estimate monthly private mortgage insurance and when scheduled payments may reach 80% LTV.
Inputs
- Home price
- Down payment
- PMI rate
Mortgage Points
Compare mortgage payments with discount points and estimate the break-even month.
Inputs
- Loan amount
- Rates
- Points
Extra Mortgage Payment
See how extra monthly, annual, or one-time payments reduce interest and shorten your mortgage payoff timeline.
Inputs
- Balance
- Rate
- Term
- Extra payment
Refinance Break-Even
Compare current and new mortgage payments, closing costs, break-even timing, and whether refinancing is worth it.
Inputs
- Balance
- Rate
- Closing costs
- Stay period
HELOC
Estimate home equity line of credit draw-period and repayment-period payments.
Inputs
- Credit line
- Borrowed
- Rate
Rent vs. Buy
Compare the estimated net cost of renting versus buying a home over a chosen time horizon.
Inputs
- Rent
- Home price
- Rate
- Horizon
Rental Property Calculator
Analyze rental cash flow, cap rate, cash-on-cash return, and a five-year projection from purchase and expense inputs.
Inputs
- Purchase price
- Rent
- Down payment
- Expenses
Home Sale Proceeds
Estimate net proceeds after agent commission, closing costs, mortgage payoff, and capital gains tax, including the primary residence exclusion.
Inputs
- Sale price
- Purchase price
- Mortgage balance
- Commission
- Closing costs
- Filing status
Car Affordability Calculator
Estimate how much car you can afford using the 15% take-home rule and 20/4/10 guideline.
Inputs
- Income
- Down payment
- APR
- Term
Car Lease vs. Buy
Compare the estimated net cost of leasing versus buying a vehicle over a chosen comparison period.
Inputs
- Vehicle price
- Lease payment
- Buy rate
- Horizon
Guides
How to Buy a Home: A First-Time Buyer's Guide
A step-by-step guide to buying your first home — from checking your credit and saving a down payment to getting pre-approved, making an offer, and closing.
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Rental Property Investing: Cash Flow, Cap Rate, and Due Diligence
Learn how to evaluate rental property investments — cash flow, cap rate, cash-on-cash return, vacancy, expenses, and financing before you buy.
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Mortgage Payment Explained: What Goes Into PITI
Break down what's inside every mortgage payment — principal, interest, taxes, insurance, and PMI — and learn how each component affects your monthly cost.
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Closing Costs Explained
Understand lender fees, title charges, prepaids, credits, and how much cash a home buyer may need at closing.
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How Home Sale Proceeds Are Calculated: Commissions, Costs, and Capital Gains
Understand what gets deducted from your home sale price — agent commissions, closing costs, mortgage payoff, and capital gains tax — and how the $250,000/$500,000 primary residence exclusion works.
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PMI Explained: When It Drops Off
Understand private mortgage insurance — why lenders require it, how much it costs, and the exact conditions for removing PMI from your loan.
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Are Mortgage Points Worth It?
Learn how discount points work, calculate a break-even period, and compare points with lender credits.
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Refinancing Your Mortgage: When It's Actually Worth It
Learn how to calculate your refinance break-even point, compare rate-and-term vs. cash-out options, and decide if refinancing makes financial sense for your situation.
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Escrow, Taxes & Insurance (PITI) Explained
Learn how principal, interest, taxes, and insurance combine into your monthly mortgage payment and why P&I alone understates housing cost.
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HELOC vs. Home Equity Loan: What's the Difference?
Understand the key differences between a HELOC and a home equity loan — how each works, when each makes sense, and how to calculate your costs before borrowing.
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