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RealCostIQ

Mortgage Calculators

60 free tools — payments, affordability, refinance, FHA, VA, HELOC, and investment properties. No sign-up.

60 free calculators
Instant results
No sign-up required

Payments, Refinancing & Equity

20

True Cost of Homeownership Calculator

Every monthly cost of owning in one number — not just the mortgage payment

Cost to Sell Calculator

What you actually walk away with after costs, payoff, and capital gains

Capital Gains Tax Calculator (US Home Sale)

Home sale capital gains tax with the Section 121 exclusion — $250k single, $500k married filing jointly

Should I Sell or Rent My House?

Compare selling now vs renting it out — after-tax net worth, cash flow, and the Section 121 tax impact

Home Equity Borrowing Power Calculator

How much you can borrow, and whether a HELOC, loan, or cash-out costs least

Mortgage Calculator

Calculate your monthly mortgage payment with amortization schedule

Mortgage Refinance Calculator

Determine if refinancing makes financial sense

Refinance Comparison Calculator

Compare multiple refinance scenarios side by side

Early Mortgage Payoff Calculator

Calculate savings from extra mortgage payments

Biweekly Payment Calculator

Save interest by switching to biweekly payments

Home Equity Calculator

Track equity growth and borrowing capacity

Bridge Loan Calculator

All-in cost of a US bridge loan — points, interest and closing costs annualised, plus the 80% combined-LTV test

HELOC Calculator

Calculate your home equity line of credit

Property Tax Calculator

Calculate property taxes across locations

Amortization Schedule Calculator

See how payments split between principal and interest

ARM vs Fixed Rate Calculator

Compare adjustable and fixed-rate mortgages

Points Break-Even Calculator

Find out if buying discount points is worth it

15 vs 30 Year Mortgage Calculator

Compare 15-year and 30-year mortgages side by side

HELOC vs Cash-Out Refinance Calculator

Compare tapping home equity via HELOC or cash-out refinance

SALT Deduction Calculator

Whether itemizing beats the standard deduction now the SALT cap has risen to about $40,000

Buying & Qualifying

18

Mortgage Affordability Calculator

How much home can you afford based on your income and debts

Down Payment Savings Calculator

Plan your savings timeline for a down payment

Closing Costs Calculator

Estimate total cash needed to close on your home

Salary Affordability Calculator: $60k

Price a home on a $60,000 salary under the 28/36 rule: your own debts, down payment, rate, tax and insurance, on the guide's assumptions

Salary Affordability Calculator: $75k

Price a home on a $75,000 salary under the 28/36 rule: your own debts, down payment, rate, tax and insurance, on the guide's assumptions

Salary Affordability Calculator: $80k

Price a home on an $80,000 salary under the 28/36 rule: your own debts, down payment, rate, tax and insurance, on the guide's assumptions

Salary Affordability Calculator: $100k

Price a home on a $100,000 salary under the 28/36 rule: your own debts, down payment, rate, tax and insurance, on the guide's assumptions

Salary Affordability Calculator: $120k

Price a home on a $120,000 salary under the 28/36 rule: your own debts, down payment, rate, tax and insurance, on the guide's assumptions

State Closing Cost Estimator

Estimate buyer closing costs in any state: LodeStar's 2026 national fee base plus that state's statutory transfer tax, with the rule linked

Home Inspection Cost Calculator

Base inspection fee by home size and age, plus radon, sewer scope, termite and other add-ons

Mortgage Pre-Qualification Calculator

Check your approval odds and max loan amount

FHA Loan Calculator

Calculate FHA payments with mortgage insurance premiums

VA Mortgage Calculator

VA loan payments with zero down and no PMI

PMI Calculator

Calculate private mortgage insurance costs and removal timeline

80/10/10 Piggyback Calculator

Compare a piggyback second mortgage against one loan with PMI

Debt Impact Calculator

See how debts affect your home buying power

DTI Calculator

Calculate your debt-to-income ratio

FHA vs Conventional Calculator

Compare FHA and conventional loans side by side

Renting vs. Buying

3

Property Investment

19

Rental Property Calculator

Analyze cash flow, ROI, and cap rate

Investment Property Cash Flow Calculator

Analyze rental property cash flow and cap rate

Cap Rate Calculator

Capitalization rate and NOI for any rental property

Commercial Cap Rate Calculator

Commercial cap rate from a real rent roll — $/SF/yr base rent, NNN vs gross lease expense recovery, vacancy and credit loss as separate lines, management fee and reserves above the NOI line. Office, retail, industrial and multifamily.

Cash-on-Cash Return Calculator

Return on the actual cash you invest in a rental

1% Rule Calculator

Screen a rental with the 1% rule, 2% rule, and GRM

Rental Yield Calculator

Gross and net rental yield for any property

DSCR Calculator

Debt service coverage ratio and max loan for rental financing

Rental Property ROI Calculator

Multi-year pro-forma with equity build and IRR

Short-Term Rental ROI Calculator

Airbnb ROI with break-even occupancy and LTR comparison

Fix and Flip Calculator

Flip profit, ROI, and your 70% rule max offer

BRRRR Calculator

Buy, rehab, rent, refinance — cash left in and post-refi returns

House Hack Calculator

Live in one unit, rent the rest — see your real housing cost

Rent vs Buy — Investor Edition

Buy a rental or invest the cash? Opportunity cost priced in

1031 Exchange Calculator

Capital gains tax you defer with a like-kind exchange

Rental Property Depreciation Calculator

27.5-year depreciation, depreciable basis, and recapture at sale

Rental Portfolio Calculator

Roll up multiple rentals — total cash flow, equity, and blended returns

Construction Loan Calculator

Calculate construction loan interest and draw schedule

APR Calculator

Find the true cost of your mortgage including fees

Guides that go with these calculators