Curated calculator directory
This directory intentionally lists only the public Phase-1 core: calculators with strong decision intent in finance, property, and construction, backed by the site's existing editorial and revenue-fit evidence.
Finance
Mortgage, loan, investing, tax, and money calculators.
Retirement Calculator
Plan your retirement nest egg, estimate monthly income, and see how long your savings may last with inflation-aware projections.
Personal Loan Calculator
Calculate personal loan payments, origination fees, payoff time, interest cost, and net cash received.
Credit Card Payoff Calculator
Estimate credit card payoff time, total interest, and total payments from balance, APR, and monthly payment.
Debt Payoff Calculator
Build a debt payoff plan, compare Avalanche vs. Snowball, and see how extra payments cut interest and payoff time.
Mortgage Calculator
Estimate monthly mortgage payments, total interest paid, and yearly amortization from home price, down payment, term, and rate.
Mortgage Affordability Calculator
Estimate an affordable home price from income, debts, down payment, mortgage rate, property tax, insurance, HOA, and DTI.
Closing Cost Calculator
Estimate lender fees, title charges, prepaids, escrow funding, and total cash to close on a home purchase.
PMI Calculator
Estimate private mortgage insurance, monthly payment impact, and possible PMI removal timing.
APR Calculator
Estimate annual percentage rate from the loan amount, payment, term, and financed fees to compare offers more accurately.
Refinance Calculator
Compare current and new loan scenarios to estimate payment savings, closing-cost break-even, and lifetime cost changes.
HELOC Calculator
Estimate available line size, interest-only draw payment, and the amortizing repayment payment on a home equity line of credit.
Business Loan Calculator
Estimate monthly payment, total interest, origination fee cost, and total borrowing cost for a business loan.
Rental Property Calculator
Estimate rental cash flow, NOI, cap rate, and cash-on-cash return from rent, expenses, vacancy, and purchase price.
Cap Rate Calculator
Estimate cap rate, net operating income, and operating expense ratio from rent, vacancy, and operating expenses.
Cash-on-Cash Return Calculator
Estimate cash-on-cash return, annual cash flow, and total cash invested for a leveraged rental property.
DSCR Calculator
Estimate debt service coverage ratio for a rental property loan from NOI, loan amount, rate, and term.
Rental Cash Flow Calculator
Build a detailed monthly cash flow with itemized operating expenses, vacancy, management, and the loan payment.
Rehab Budget Calculator
Build a line-item renovation budget by trade, add a contingency, and include holding costs for a flip or BRRRR project.
ARV Calculator
Estimate after-repair value from comparable sales and calculate the 70% rule max allowable offer for a flip or BRRRR deal.
1031 Exchange Calculator
Estimate deferred capital gains, depreciation recapture, boot, and the minimum reinvestment to fully defer tax on a like-kind exchange.
House Flipping Profit Calculator
Model flip profit, cash-on-cash return, holding costs, and the 70% rule max offer for a fix-and-flip deal.
401(k) Calculator
Project retirement balance growth using current savings, annual contributions, employer match, and expected return.
Debt Consolidation Calculator
Compare your current debt payoff against a consolidation loan to estimate payment changes and total interest savings.
Balance Transfer Calculator
Compare keeping a credit card balance against transferring it to a 0% intro APR card. Model transfer fee, intro window, and post-intro APR.
SBA 7(a) Loan Calculator
SBA 7(a) loan — SBA flagship loan program payment and fee calculation.
Home & Construction
Material, utility, and project planning calculators for home jobs.
Concrete Calculator
Estimate concrete for slabs, columns, walls, footings, and stairs. Add multiple sections, bag counts, waste, and ready-mix cost.
Paint Calculator
Estimate paint for walls and ceilings, subtract doors and windows, and total gallons, quarts, and project cost across multiple rooms.
Roof Replacement Budget Calculator
Estimate roof replacement cost by square footage, material (asphalt, metal, tile), and pitch complexity to size a sinking fund.
HVAC Replacement Cost Calculator
Estimate HVAC replacement cost from tonnage, SEER rating, and installation complexity for central air or heat pump systems.
ADU Cost Calculator
Accessory Dwelling Unit (ADU) construction cost — detached, attached, or garage-conversion — by sqft and scope.