Template · Finance
Loan & amortization calculator template for Excel & Google Sheets
Monthly payment, full amortization schedule and how much you save with extra payments.
Get all 30 templates — $19See all 30 templates
One-time payment · 14-day money-back guarantee · Local taxes added at checkout

Why you will like it
- Ready to use: formulas, formatting and example data are already in place.
- Instructions inside: a “Start here” tab explains every tab in one minute.
- Made to adapt: replace the example data with yours and everything updates.
What is inside the file
These are the real tabs of the file you download:
- Start hereHow to use the file in one minute.
- LoanInputs, results and the full payment schedule.
- AI prompts5 ready-to-copy prompts to adapt and analyse this template.
Look inside

How it works in 3 steps
- Type amount, annual interest rate, years and first payment date.
- Optional: add an extra monthly payment.
- See total interest and the month you finish paying.
Works where you work
- Excel 2016 or newer, Microsoft 365 and Excel for the web
- Google Sheets: upload the .xlsx to Drive and open it with Sheets
- No macros, no add-ins, nothing to install
AI prompt included
Paste your data into ChatGPT, Claude or Gemini with this prompt:
I have these debts: [name, balance, rate, monthly payment for each]. I can put [amount] extra per month. Compare the avalanche and snowball methods for my case: order of payment, months to be debt-free and total interest of each.
Questions
Does the Loan & amortization calculator template work in Google Sheets?
Yes. Upload the .xlsx file to Google Drive and open it with Google Sheets, or use File → Import. It uses classic functions, so it works the same.
Can I use my own data?
Yes. Replace the example data with yours and the formulas, charts and summaries update on their own. The “Start here” tab tells you where to type.
Is Loan & amortization calculator sold on its own?
It comes in the Formulyo pack: 30 templates for a one-time $19, with the AI prompts and lifetime updates. 14-day money-back guarantee.
In which languages do the files come?
Every template comes in English, Spanish, Portuguese and German.
Do I need macros or add-ins?
No. They are plain .xlsx files with formulas only.



