Commercial Loan Calculator - Equal Installment/Principal Repayment Details & Excel Export

Supports equal installment and equal principal, one-click Excel export of monthly repayment details

Loan Parameters
Calculation Method
Loan Amount CNY
Loan Term
Loan Months Month
Annual Interest Rate %
First Payment
Year Month
Equal Installment (Constant Monthly Payment)
Total Loan 0 CNY
Repayment Months 0 Month
Monthly Payment 0 CNY
Total Interest 0 CNY
Total Payment 0 CNY
Equal Principal (Monthly Decreasing)
Total Loan 0 CNY
Repayment Months 0 Month
First Month Payment 0 CNY
Monthly Decrease 0 CNY
Total Interest 0 CNY
Total Payment 0 CNY
Interest Saved 0 CNY vs Installment
📊 Monthly Repayment Details Report
Equal Installment Details
PeriodPayment DateMonthly Payment (CNY)Interest (CNY)Principal (CNY)Remaining Principal (CNY)
Click "Calculate" to view details
Equal Principal Details
PeriodPayment DateMonthly Payment (CNY)Interest (CNY)Principal (CNY)Remaining Principal (CNY)
Click "Calculate" to view details

Current Tool Introduction

The Commercial Loan Calculator is a comprehensive financial planning tool designed to help homebuyers, investors, and real estate professionals evaluate mortgage options with precision. Supporting both equal principal and interest (standard amortization) and equal principal (declining payment) repayment methods, this tool provides side-by-side comparisons to help you understand the long-term cost implications of each approach. You can input loan parameters either directly (loan amount, term, interest rate) or via property details (area, unit price, down payment percentage), offering flexibility for different planning scenarios. The calculator generates detailed monthly repayment schedules that can be exported to Excel for further analysis or record-keeping. Key metrics displayed include total interest paid, total principal and interest combined, monthly payment amounts, and—for the equal principal method—the monthly decreasing amount. A unique “interest saved” comparison shows the difference between the two repayment methods, helping you make an informed decision based on your cash flow preferences and long-term financial goals. Whether you are comparing loan offers, planning your mortgage strategy, or simply estimating affordability, this tool provides the detailed insights needed for confident financial planning.