- Enter your original mortgage amount.
- Enter your original interest rate.
- Enter the year your mortgage began.
- Enter your remaining mortgage balance.
- Enter your monthly mortgage payment.
- Enter your estimated property value.
- Enter your state.
- Enter your county.
- Enter your amount to borrow.
- Enter your closing costs (% of new loan amount).
- Enter your property tax (annual).
- Enter your homeowners insurance (annual).