import math class ReverseMortgageCalculator: def __init__(self, home_value, age, expected_rate, margin, upfront_costs=0): """ :param home_value: Current appraised value of the home :param age: Age of the youngest borrower :param expected_rate: The 10-year swap rate or Treasury rate used for PLF lookup :param margin: The lender's margin :param upfront_costs: Sum of Initial MIP, Origination fee, and Closing costs """ # HUD Lending Limit (Current 2024 limit is $1,149,825) self.hud_limit = 1149825 self.eligible_value = min(home_value, self.hud_limit) self.age = age self.expected_rate = expected_rate self.margin = margin self.upfront_costs = upfront_costs # Total Loan Rate = Expected Rate + 0.5% (Ongoing MIP) self.ongoing_mip = 0.005 self.compounding_rate = (expected_rate + margin + self.ongoing_mip) / 12 def get_plf(self): """ In a production environment, this would look up the HUD PLF table. This simplified logic approximates the Principal Limit Factor. """ # Base approximation: factor increases with age and decreases with rate base_factor = (self.age - 62) * 0.006 + 0.40 rate_adjustment = (0.05 - self.expected_rate) * 2.5 plf = max(0.1, min(0.75, base_factor + rate_adjustment)) return round(plf, 3) def calculate_initial_principal_limit(self): plf = self.get_plf() return self.eligible_value * plf def project_loan_balance(self, years, monthly_draw=0, initial_draw=0): """ Projects how the loan balance grows over time. """ initial_pl = self.calculate_initial_principal_limit() balance = self.upfront_costs + initial_draw schedule = [] for month in range(1, (years * 12) + 1): # Interest and MIP accrue on the previous balance interest_accrued = balance * self.compounding_rate balance += interest_accrued + monthly_draw if month % 12 == 0: schedule.append({ "Year": month // 12, "Balance": round(balance, 2), "Accrued_Interest_MIP": round(interest_accrued, 2) }) return { "Initial_Principal_Limit": round(initial_pl, 2), "Net_Available_Cash": round(initial_pl - self.upfront_costs, 2), "Projections": schedule } # --- Example Usage --- calc = ReverseMortgageCalculator( home_value=500000, age=72, expected_rate=0.045, margin=0.025, upfront_costs=12000 ) results = calc.project_loan_balance(years=10, monthly_draw=500) print(f"Initial Principal Limit: ${results['Initial_Principal_Limit']}") print(f"Net Available at Closing: ${results['Net_Available_Cash']}") print("\n10-Year Growth Projection:") for year in results['Projections']: print(f"Year {year['Year']}: Balance = ${year['Balance']}")

800-685-7708

Kris Cain
NMLS# 1980282
Originator

ZELLE PAY

 Login to your Loan Application
Background image for

Reverse Mortgage Calculators

Get Started

Understanding Reverse Mortgage Calculators

As you explore your options for a reverse mortgage, utilizing a reverse mortgage calculator can help you gain valuable insights. These tools are designed to give you a clearer picture of how much money you can access from your home while maintaining ownership and avoiding monthly mortgage payments.

Reverse mortgage calculators typically consider several factors, including your age, the appraised value of your home, and current interest rates. By inputting this information, the calculator provides an estimate of the funds available to you, allowing for informed decision-making as you plan for your financial future.

It's important to remember that while a reverse mortgage can provide necessary funds, it also comes with financial considerations. The amount you can borrow may affect the inheritance you leave behind, as well as impact your eligibility for certain government benefits. Therefore, it's crucial to review these estimates and discuss them with your family or a financial advisor.

Additionally, keep in mind that reverse mortgage calculators may vary in their formulas. Some calculators offer more advanced features, such as displaying different scenarios based on changes in interest rates or home appreciation. Take the time to try out multiple calculators to understand the range of possibilities available to you.

Explore Your Reverse Mortgage Options Today

Get Started Now