Mortgage & Auto Amortization Calculator (Free/Pay-What-You-Want)

Take the guesswork out of planning your finances. This downloadable amortization tool includes pre-built calculators for the most common loan types:

Included:

• 50-Year Mortgage Amortization
• 30-Year Mortgage Amortization
• 15-Year Mortgage Amortization
• Auto Loan Amortization (shorter-term options included)

Whether you’re exploring the new conversations around extended mortgage terms or just want a clean, easy-to-use budgeting tool, this calculator gives you instant visibility into monthly payments, interest totals, and payoff timelines.

How It Works

1. Download the Google Sheet or Excel file.

2. Enter your loan amount, interest rate, and term.

3. Your schedule auto-calculates instantly—no formulas required.

Perfect for:

Homebuyers

Vehicle purchases

Monthly budgeting

Financial planning

Comparing loan scenarios

Pricing

This tool is offered as FREE or Pay-What-You-Want.

If you find it helpful, any contribution supports me in creating more free and low-cost tools for the community.

File Format

Google Sheets link included

Fully editable