Written by attorney Zephyr Savoy Hill

Moore Marsden Calculation Worksheet

Determining how to divide assets in a divorce can be especially complicated when it involves calculating home interest.

What is Moore Marsden?

Moore Marsden is the name of a law that determines how to calculate the interest on a home that one spouse purchased before the marriage.

How to calculate your interest using the Moore Marsden formulata

Here is a worksheet that can help you determine the interest you and your spouse share in a home that was purchased before marriage.

  1. Purchase Price _______

  2. Amount of Down Payment _______

  3. Amount of payments on loan principal made with separate funds _______

  4. Fair Market value at date of marriage _______

  5. Amount of payments on loan principal made with community funds _______

  6. Fair market value at time of division _______

  7. Subtract line 1 from line 4 _______

  8. Subtract line 4 from line 6 _______

  9. Divide line 5 by line 1 _______

  10. Multiply line 8 by line 9 _______

  11. Subtract line 10 from line 8 _______

  12. Add lines 2, 3, 7, and 11 _______ = SP Interest

  13. Add lines 5 and 10 _______ = CP Interest

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