金融
住宅ローン計算機
月々の返済額・総利息・返済スケジュールを計算
使い方
- Enter the home price — the purchase price of the home.
- Set your down payment as a dollar amount or percentage.
- Choose the loan term (10, 15, 20, 25, or 30 years).
- Enter the annual interest rate from your lender.
- 必要に応じて固定資産税・火災保険・PMIを追加して総支払額を見積もる。
- Click 計算する to see your monthly payment and full amortization schedule.
計算式
M = P × [r(1+r)ⁿ] / [(1+r)ⁿ − 1]
M = Monthly paymentP = Principal loan amountr = Monthly interest rate (annual rate ÷ 12)n = Number of payments (years × 12)Calculating your monthly mortgage payments accurately is an essential step in buying a home. This calculator factors in your principal, interest rate, property taxes, and home insurance to give you a comprehensive estimate. Understanding amortization helps you see how much of your payment goes towards the principal versus interest over time. For more detailed insights into home financing, explore Investopedia's comprehensive guide to Mortgages.