Equity in the house, which is the value of the property minus any outstanding mortgage or lien, can be divided between spouses in various ways, depending on the divorce agreement, local laws, and individual circumstances. Here are some common methods:

1. Equal split: Divide the equity equally (50/50) between both spouses.

2. Proportional split: Divide the equity based on each spouse's contribution to the mortgage payments, property taxes, and maintenance costs.

3. Percentage split: Divide the equity based on a predetermined percentage agreed upon by both spouses or determined by the court.

4. Net equity split: Divide the equity after deducting any outstanding debts, liens, or expenses related to the property.

5. Appraisal and valuation: Hire an appraiser to determine the property's value, and then divide the equity based on the agreed-upon method.

6. Mediation or arbitration: Use a neutral third party to help the couple reach a mutually acceptable agreement on dividing the equity.

7. Court decision: If the couple cannot agree, the court will decide how to divide the equity based on the divorce agreement, local laws, and individual circumstances.

To determine how to divide the equity in the house, consider:

1. Consulting with a divorce attorney or financial advisor.

2. Reviewing the divorce agreement and local laws.

3. Assessing individual financial situations and contributions.

4. Negotiating a mutually acceptable agreement.

5. Seeking mediation or arbitration if necessary.

6. Evaluating tax implications and potential capital gains tax.

7. Considering the emotional and practical implications of dividing the family home.

Remember, dividing equity in the house requires careful consideration of individual circumstances and legal requirements.