100 Percent Mortgage Calculator

When considering a mortgage, it’s crucial to understand the financial commitment involved. The 100 Percent Mortgage Calculator provides an easy way to estimate your monthly payments based on the loan amount, interest rate, and loan term.


The calculator uses the formula for calculating monthly mortgage payments, taking into account the loan amount, interest rate, and loan term. The formula, in simplified terms, is:



  • M is the monthly payment.
  • P is the loan amount.
  • r is the monthly interest rate (annual interest rate divided by 12).
  • n is the total number of payments (loan term in years multiplied by 12).

How to Use

  1. Enter the loan amount in the “Loan Amount” field.
  2. Input the annual interest rate in the “Interest Rate” field.
  3. Specify the loan term in years using the “Loan Term” field.
  4. Click the “Calculate” button to get your estimated monthly mortgage payment.


Suppose you are considering a loan amount of $200,000 with an annual interest rate of 4.5% and a loan term of 30 years. After entering these values and clicking “Calculate,” the calculator will display the estimated monthly payment.


  1. Is this calculator suitable for all types of mortgages?
    • Yes, it is designed to calculate monthly payments for any mortgage type.
  2. Can I trust the results to be accurate?
    • The calculator provides a close estimate, but for precise figures, consult with a financial advisor.
  3. What if I want to pay off my mortgage early?
    • You can adjust the loan term in the calculator to see the impact on monthly payments.


The 100 Percent Mortgage Calculator simplifies the process of estimating your monthly mortgage payment. Remember, it’s always advisable to consult with a financial professional for accurate and personalized advice regarding your mortgage.

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