住宅ローン、不動産、材料、エネルギーの計算ツール

Estimate mortgage payment, PMI, taxes, insurance, extra payments, interest, and payoff timeline.

Estimate an affordable home price from income, debts, down payment, rate, taxes, insurance, and HOA.

Estimate buyer closing costs from home price, loan amount, percentage costs, fees, prepaid items, and credits.

Estimate private mortgage insurance cost from home price, down payment, loan amount, and PMI rate.

Compare renting and buying over a chosen time horizon using cash costs, equity, appreciation, and selling costs.

Estimate annual and monthly property tax from value, assessment ratio, exemptions, and tax rate.

Estimate down payment, closing costs, shortfall, and savings timeline for a home purchase.

Estimate monthly payment, first-year principal and interest, total interest, and payoff schedule summary.

Estimate interest saved and payoff time from extra monthly mortgage principal payments.

Estimate refinance monthly savings, closing costs, break-even time, and interest comparison.

Estimate concrete volume, cubic yards, and bag quantities with waste.

Estimate gallons of paint needed from area, coats, coverage, and waste.

Estimate flooring area, boxes, waste, and material cost.

Estimate tiles, boxes, waste, and material cost for a floor or wall.

Estimate drywall sheets, covered area, waste, and optional material cost.

Estimate roof area, roofing squares, shingle bundles, waste, and optional material cost.

Estimate insulation bags or rolls from coverage area, package coverage, waste, and optional cost.

Estimate fence posts, pickets, rails, waste, and optional material cost.

Estimate mulch cubic feet, cubic yards, bags, waste, and optional material cost.

Estimate electricity cost from watts, usage time, days, and price per kWh.

Estimate weekly, monthly, and yearly running cost for a household appliance.

Estimate household energy cost from electricity, gas, water heating, fixed utility fees, and seasonal adjustments.

Estimate solar payback period, annual savings, and net cost from system cost, incentives, production, and electricity rate.

Estimate air conditioner electricity cost from power draw, runtime, duty cycle, days, and electricity rate.

Estimate heat pump running cost from heating or cooling load, COP, runtime, and electricity rate.

Estimate water and sewer bill from usage, unit rate, sewer multiplier, fixed fees, and taxes.