MORTGAGE CALCULATOR
Mortgage calculator, payments at a glance.
Enter the loan amount, term and annual rate to instantly get monthly payment, total interest and total repayment.
Monthly payment
4,745
Total interest
708,334
Total repayment
1,708,334
Decreases by：—
Everything runs locally in your browser
Solution animation · principal vs interest
Y1: principal ¥17,764, interest ¥39,181
What does this tool do?
It estimates your mortgage: equal-installment keeps a fixed monthly payment; equal-principal pays more principal early and decreases monthly, with less total interest.
FAQ
Equal installment vs equal principal?
Equal installment has a fixed, lower early payment; equal principal costs less interest overall but starts higher. Choose by your cash flow.
Is my data uploaded?
No. Calculation happens entirely in your browser.
使用步骤How to use
- 填写贷款金额、年利率与年限Enter the loan amount, annual rate and term
- 选择等额本息或等额本金Choose equal installment or equal principal
- 查看月供、总利息与逐月还款明细Review the monthly payment, total interest and schedule