Online Prepay Mortgage vs Invest Calculator 2


This calculator was created in response to an article I read about what to do with extra money at the end of the month. Apply it to the Mortgage or invest it? I wrote an article explaining the exact numbers. This calculator can be used to figure it out for yourself. The extra payment you enter in this calculator will be applied at the start of the plan (not the start of the mortgage, unless those coincide). The calculator assumes that after you’ve paid off the mortgage, the entire mortgage payment along with the extra payment is redirected to investing.

if you’re not sure what to enter try the 250K demo first. The numbers for this demo speak for themselves. That is, until you lower the stock returns to 5.5%. Then math may not outweigh how you feel about debt.

General information
Start plan (m/d/yyyy)
Extra Monthly payment ($)
Year to measure (more than mortgage duration)
Mortgage/loan information.
Enter the original loan information and start date.
Extra payments will be applied starting start of the plan.
Loan Amount ($)
Interest (%)
Period (years)
Yearly Payments (12)
Start date (m/d/yyyy)
Extra payment ($)
After payoff, if still contributing to stock/savings or other, redirect extra payment to:
After payoff, if still contributing to stock/savings or other, redirect payment to:
Investment information
Stock accounts
Starting balance ($)
Monthly Contribution
Years of Contribution
Expected returns (%)

Once all information is added feel free to click Calculate. After the first calculation you can go back and change values and recalculate over and over again.

Good luck reaching your financial goals


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About Maarten van Lier

Maarten came to this country with a suitcase and a diploma. He created a financial plan and goal to become a millionaire in 10 years. He successfully turned his financial goals into reality, wrote a book about it and now blogs actively in hope of inspiring other to do the same.


2 thoughts on “Online Prepay Mortgage vs Invest Calculator

  • MrRicket

    Thanks for this article. I pondered many times on what to do. Invest or pay my house loan. As you say, the numbers are clear to see but I appease my emotional side by paying a little bit more. That will already save me around 4 years off my loan!

    Cheers
    MrRicket
    http://www.myricketyroad.com

    • Maarten van Lier Post author

      You are absolutely right. It doesn’t have to be all or nothing, one way or the other. Even paying a little more on your mortgage (once in a while) or monthly can have great impact on the duration of and the interest you pay on your mortgage. Even paying $50 a month extra on a 180,000 loan can reduce your time to pay off by 3 years. The calculator gives you the hard cold facts. It is not capable of putting a price on peace of mind. Good luck reaching your financial goals, Looks like you are well on your way.

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