Loan Amortization Essentials Template
Generate an amortization schedule for any fixed-rate loan. See each payment split between principal and interest across the full loan term.
What's Included
- Dashboard with loan summary showing monthly payment, total principal, total interest, and payoff date
- Loan setup with amount, annual interest rate, and term in months or years for any fixed-rate loan type
- Complete amortization schedule with payment number, date, principal portion, interest portion, and balance
- Monthly principal and interest split displayed for every payment from the first month to the final one
- Remaining balance tracking with color-coded input fields (yellow) and formula-driven schedule (blue)
- Works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no setup required
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The Essentials version covers everyday tracking. Ultimate goes further with multi-entity support, scenario analysis, and ultimate-grade reporting.
- Dashboard with loan summary showing monthly payment, total principal, total interest, and payoff date
- Loan setup with amount, annual interest rate, and term in months or years for any fixed-rate loan type
- Complete amortization schedule with payment number, date, principal portion, interest portion, and balance
- Monthly principal and interest split displayed for every payment from the first month to the final one
- 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
Preview
See what's inside this template
How to Use This Loan Amortization Template
Enter loan details
Input the loan amount, annual interest rate, and term in months or years on the loan setup sheet.
Review the payment
The calculator shows your fixed monthly payment amount based on the loan terms you entered.
Study the schedule
The amortization table displays each payment with its principal portion, interest portion, and remaining balance.
Track the payoff
The dashboard summarizes total principal, total interest, and the date of the final payment.
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Built by Claude AI. Perfected by us.
We use Claude AI to draft each template, after a deep research. Then our team steps in. We refine the layout, stress-test every formula, fix edge cases, and polish the design until it feels like something we would actually use ourselves. The AI gets us 80% there. The last 20% is all human judgment.
Frequently Asked Questions
What types of loans does this work for?
Any fixed-rate, fully amortizing loan - mortgages, personal loans, auto loans, or business loans. Enter the terms and the schedule generates automatically.
Can I enter the term in months?
Yes. The setup accepts months or years. A 5-year loan can be entered as 60 months or 5 years.
Why does the principal portion grow each month?
As the balance decreases, less of each payment goes to interest and more goes to principal. This is how standard amortization works.
Does it handle extra payments?
This template generates a standard amortization schedule without extra payments. For extra payment modeling, use the Mortgage Payoff Calculator.
How do I open this in Google Sheets?
Upload the .xlsx file to Google Drive, then open it with Google Sheets. All formulas and formatting will be preserved.
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