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Mortgage Repayment Calculator Workbook

An Excel mortgage planner for comparing repayment strategies and seeing how extra repayments or an offset account may change the loan term and total interest.

A$19one-time purchase
Buy securely with Stripe — A$19

Secure download available immediately after successful Stripe payment. The download link expires after 24 hours.

Editable Excel fileNo subscriptionBuilt-in formulasPurchaser licence
Mortgage Repayment Calculator Workbook product cover

What it helps you do

Build a decision you can update.

Compare standard repayments, extra payments, offset balances, interest savings and full loan schedules.

  • Principal-and-interest repayment calculator
  • Extra repayment scenarios
  • Offset-account comparison
  • Monthly amortisation schedule
  • Interest and time saved
  • Scenario dashboard and charts

Designed for: Homeowners, buyers and property investors comparing mortgage repayment options.

Workbook preview

See the dashboard before you buy

Mortgage Repayment Calculator Workbook dashboard preview

Important planning notes

This workbook provides estimates based on the information entered. It does not guarantee a financial outcome and does not replace accounting, tax, legal, employment, lending or financial advice. Read the included assumptions, sources and limitations before relying on a result.

Related free calculators

Licence and support

The workbook is licensed to the purchaser for personal use or internal use within one household or business, as stated inside the file. It may not be resold, redistributed, shared publicly or uploaded to a template marketplace. Purchase support is available at info@layna.com.au.

Review the digital download policy for delivery, compatibility, consumer guarantees and refund information.

Frequently asked questions

Is this a subscription?

No. The workbook is a one-time purchase with no recurring fee or account required.

What format is supplied?

The product is supplied as an editable Microsoft Excel workbook. It should also open in many modern spreadsheet applications, although formatting or formulas can differ outside Excel.

How is the file delivered?

After successful Stripe payment, you are redirected to a secure download page. The download link is valid for 24 hours; contact info@layna.com.au if you need purchase support.

Can I share or resell the file?

No. The purchase licence is for the buyer’s personal use or internal use within one household or business, depending on the product. Redistribution and resale are not permitted.