Loan Amortization Pro
Manage up to 5 loans with individual amortization schedules, extra payment impact analysis, and a consolidated monthly summary.
Free vs Pro
- Single loan setup with monthly payment calculation
- Full amortization schedule for one loan
- Dashboard with total interest and total cost
- Works in Excel and Google Sheets
- Set up to 5 separate loans with name, loan amount, annual interest rate, term in months, and start date
- Dashboard with 6 KPI cards: total monthly payments, total debt, total interest across all loans, loan count, shortest term, and highest rate
- Dedicated full amortization schedule for each of the first 2 loans with payment date, principal, interest, and remaining balance per payment
- All-loans summary sheet showing each loan side by side: monthly payment, total interest, total cost, and remaining balance at any point
- Extra payment impact sheet modeling how additional monthly payments affect interest savings and payoff date for each loan
- Monthly summary consolidating all loan payments, principal paid, interest paid, and combined remaining balance by month
- Conditional formatting highlights fully paid loans and flags loans in final payment year
- Works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no macros required
Preview
See what's inside this template
How to Use This Template
Enter your loans
Go to the Loan Setup sheet and enter each loan: name, original balance, annual interest rate, term in months, and start date. Up to 5 loans supported.
Review individual amortization
The Amortization Loan 1 and Amortization Loan 2 sheets show full payment-by-payment schedules for your first two loans.
See all loans together
The All-Loans Summary sheet shows every loan side by side with monthly payments, total interest, and combined remaining balance.
Model extra payments
In the Extra Payment Impact sheet, enter additional monthly amounts per loan to see interest savings and early payoff dates.
Built by Claude AI. Perfected by us.
We use Claude AI to draft each Pro template after deep research. Then our team steps in - refining the layout, stress-testing every formula, fixing edge cases, and polishing the design. The AI gets us 80% there. The last 20% is all human judgment.
One-time purchase. No subscription. Works in Excel & Google Sheets.
Frequently Asked Questions
How many loans can I track?
The Pro version supports up to 5 loans. Each loan has its own row in the setup sheet. Detailed amortization sheets are included for the first 2 loans, and all 5 appear in the consolidated summary.
What does the all-loans summary show?
It displays every loan side by side with monthly payment, total interest, total cost, original balance, and current remaining balance. Useful for getting a complete picture of all debt at once.
How does the extra payment impact work?
Enter an additional monthly payment for any loan. The sheet calculates revised payoff date, total interest with extra payments, interest savings, and months saved compared to the standard schedule.
Can I use this for any type of loan?
Yes. Any fixed-rate installment loan works - mortgages, auto loans, personal loans, student loans, or business loans. Just enter the amount, rate, and term.
How long do the amortization schedules run?
Each dedicated amortization sheet covers up to 360 payments (30 years). The payment date, principal, interest, and balance update automatically based on the loan setup.
What do I get after purchase?
You receive an Excel file (.xlsx) that works in Microsoft Excel, Google Sheets, and LibreOffice Calc. Download it immediately after purchase - no signup or account required.
Is there a free version?
Yes. The free version of this template is available with basic features. The Pro version adds advanced analysis, more capacity, and additional sheets.
What if it does not work for me?
Contact us and we will help troubleshoot. The template works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no macros required.
Looking for more Pro templates?
We offer Pro versions of our most popular spreadsheet templates with advanced features, more capacity, and deeper analysis.