Formulyo

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

Loan & amortization calculator: Main tab with example data
Main tab with example data

Why you will like it

What is inside the file

These are the real tabs of the file you download:

Look inside

Loan & amortization calculator: The “Start here” tab
The “Start here” tab

How it works in 3 steps

  1. Type amount, annual interest rate, years and first payment date.
  2. Optional: add an extra monthly payment.
  3. See total interest and the month you finish paying.

Works where you work

AI prompt included

Paste your data into ChatGPT, Claude or Gemini with this prompt:

Pay it off faster
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.

Get this template and 29 more

The Formulyo pack: 30 Excel + Google Sheets templates, AI prompts for each one, lifetime updates. $19 once.

Get all 30 templates — $19

One-time payment · 14-day money-back guarantee · Local taxes added at checkout


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