Mortgage Calculator Online — Free Tool

Generate a complete mortgage amortization schedule, including monthly payments, total principal paid, and total interest accrued.

Mortgage Calculator

Estimates monthly payment for a fixed-rate mortgage (principal + interest only).

Loan amount
240,000
Monthly payment
1,678.11
Total paid
604,121.34
Total interest
364,121.34
Total
604,121
Principal39.7%
Total Interest60.3%
Privacy note: All processing happens entirely in your browser. No data is sent to our servers.

About this tool

Mortgage Calculator is a fast, browser-based numbers utility. Generate a complete mortgage amortization schedule, including monthly payments, total principal paid, and total interest accrued. To use it, paste or upload your input in the tool above, choose any options (like formatting style, separators, or output type), and copy or download the result. Because it runs in your browser, it’s ideal for quick edits, previews, and conversions without installing extra software. Common use cases include cleaning up data before sharing, converting formats for a spreadsheet or API, validating content before deployment, and generating outputs you can paste directly into your codebase. If you handle sensitive data, prefer tools that run locally in your browser—this helps reduce the risk of uploading private content to a server.

How to use

  1. Enter or upload your input in the tool panel above.
  2. Adjust any options if provided.
  3. Copy or download the output.

This page is available at /tools/mortgage-calculator.

Related keywords

mortgage calculatorhome loan calculatormonthly paymentamortizationinterest

FAQ

What is Mortgage Calculator?

Mortgage Calculator is an online tool that helps you generate a complete mortgage amortization schedule, including monthly payments, total principal paid, and total interest accrued.

How do I use the Mortgage Calculator?

Add your input in the tool panel, adjust options if available, then copy or download the output.

Is this tool free?

Yes—this tool is free to use.

Does it run locally in the browser?

Most tools are designed to run in your browser. If a tool uploads files to a server, it should say so in the UI.