Mortgage Splitter
Calculate monthly payments, visualize interest vs principal, and export amortization schedules.
Master Your Mortgage with Precision
Buying a home is likely the largest financial transaction of your life. Understanding exactly how your monthly payments are split between principal and interest is crucial for long-term financial health. The Mortgage Splitter provides a real-time, visual breakdown of your loan amortization.
Pro tips: Use the sliders to see how extra payments or rate changes affect your timeline. A difference of just 0.5% in interest can save you over $30,000 on a 30-year loan.
The monthly payment is calculated using the standard amortization formula, factoring in the loan amount, interest rate, and loan term.
No. All calculations happen locally in your browser. We do not store your financial data on any server.
Yes, click the "Export CSV" button in the toolbar to download a full spreadsheet breakdown of your payments.