Mortgage Payment Calculator
Monthly principal, interest, taxes and insurance with a full amortization schedule.
Download Excel (.xlsx)Use the online calculatorSpreadsheets
Free, formula-driven spreadsheets that match the online calculators on this site. Download any file and edit it in Excel, Numbers or Google Sheets — no sign-up and no email needed.
Use a template when you want to keep your own numbers, compare scenarios side by side or share a worksheet. Each card links to the matching online calculator, which explains the formula and includes a worked example.
Monthly principal, interest, taxes and insurance with a full amortization schedule.
Download Excel (.xlsx)Use the online calculatorRental income minus operating costs and debt service to show monthly cash flow.
Download Excel (.xlsx)Use the online calculatorPurchase, rehab, holding and selling costs against after-repair value.
Download Excel (.xlsx)Use the online calculatorLine-item renovation budget with contingency and cost-per-square-foot totals.
Download Excel (.xlsx)Use the online calculatorNet operating income divided by value to give the capitalization rate.
Download Excel (.xlsx)Use the online calculatorAuction cost, fees and resale proceeds turned into a return on investment.
Download Excel (.xlsx)Use the online calculatorNew payment, monthly savings and break-even month after closing costs.
Download Excel (.xlsx)Use the online calculatorDebt service coverage ratio from net operating income and annual debt payments.
Download Excel (.xlsx)Use the online calculatorPayment, total interest and payoff totals for any fixed-rate loan.
Download Excel (.xlsx)Use the online calculatorCubic yards, cubic feet and 60 lb / 80 lb bag counts for slabs and columns.
Download Excel (.xlsx)Use the online calculatorGallons and quarts of paint from wall size, openings, coats and coverage.
Download Excel (.xlsx)Use the online calculatorSquare feet, square yards and boxes of flooring with waste.
Download Excel (.xlsx)Use the online calculatorPitch multiplier, roofing squares and shingle bundles.
Download Excel (.xlsx)Use the online calculatorCubic feet, cubic yards and bags for a garden bed.
Download Excel (.xlsx)Use the online calculatorConvert between tsp, tbsp, fl oz, cups, pints, quarts, gallons, mL and litres, with a gram-weight reference.
Download Excel (.xlsx)Use the online calculatorBill plus tip split evenly across a group, with optional pre-tax tip base.
Download Excel (.xlsx)Use the online calculatorScore needed on the remaining assessment to reach a target course grade.
Download Excel (.xlsx)Use the online calculatorGrowth of a starting balance plus regular contributions over time.
Download Excel (.xlsx)Use the online calculatorProjected retirement balance from contributions, employer match and growth.
Download Excel (.xlsx)Use the online calculatorAssets minus liabilities with a running net worth total.
Download Excel (.xlsx)Use the online calculatorMonths to payoff, total interest and the payment needed to clear a balance by a target date.
Download Excel (.xlsx)Use the online calculatorFuture equivalent value and purchasing-power loss with a year-by-year table.
Download Excel (.xlsx)Use the online calculatorTake-home pay per paycheck using 2025 federal brackets, FICA and state tax.
Download Excel (.xlsx)Use the online calculator2025 federal tax by bracket with marginal and effective rates.
Download Excel (.xlsx)Use the online calculatorMifflin-St Jeor BMR and daily calorie needs at every activity level.
Download Excel (.xlsx)Use the online calculatorDaily water target in ounces and liters from weight, exercise and climate.
Download Excel (.xlsx)Use the online calculatorRough Widmark BAC estimate — never a test of fitness to drive.
Download Excel (.xlsx)Use the online calculatorEvery yellow cell in these workbooks is an input you can change; all other cells are formulas. Results are estimates for educational use only.