Google Sheets Mortgage Calculator

Introduction: Our Google Sheets Mortgage Calculator is a convenient tool for individuals seeking to analyze mortgage details within the familiar environment of Google Sheets. By providing essential information such as loan amount, annual interest rate, and loan term, users can effortlessly calculate their monthly and total payments. This calculator is designed to streamline the mortgage planning process for Google Sheets users.

Formula: The Google Sheets Mortgage Calculator employs the standard mortgage payment formula. This formula, involving the loan amount, annual interest rate, and loan term, calculates the monthly payment by considering the monthly interest rate, total number of payments, and applying the amortization formula.

How to Use:

  1. Open your Google Sheets document.
  2. Enter the loan amount in a cell and label it “Loan Amount.”
  3. Input the annual interest rate in another cell and label it “Annual Interest Rate (%).”
  4. Specify the loan term in years in a third cell and label it “Loan Term.”
  5. Insert the provided calculator code into the script editor.
  6. Click the “Calculate” button to obtain your monthly payment and total payment in the specified result cell.

Example: Suppose you have a loan amount of $300,000, an annual interest rate of 4%, and a loan term of 20 years. The calculated monthly payment would be $1,817.47, and the total payment over the loan term would be $436,193.54.


  1. Can I use this calculator directly in Google Sheets?
    • Yes, copy the provided code into the script editor in Google Sheets, and you can use it seamlessly within your document.
  2. Do I need coding skills to use this calculator in Google Sheets?
    • No, simply follow the provided instructions, and you can use the calculator without any coding expertise.
  3. Can I customize the calculator for my specific needs?
    • Yes, you can modify the code to suit your requirements or add additional features if desired.
  4. Is the calculator compatible with other spreadsheet software?
    • The provided code is tailored for Google Sheets; however, you can adapt it for other spreadsheet applications with some adjustments.
  5. What happens if I change the loan parameters?
    • The calculator dynamically updates the results based on changes to the loan amount, interest rate, or loan term.

Conclusion: Enhance your mortgage planning experience within Google Sheets using our convenient Google Sheets Mortgage Calculator. Whether you’re a seasoned spreadsheet user or a beginner, this calculator simplifies the process of analyzing mortgage details, allowing you to make informed financial decisions within the familiar Google Sheets environment.

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