How the home-equity capacity scenario works
This calculator keeps capacity and payment as separate questions. First it estimates a capacity from assumed value, existing liens and an assumed CLTV ceiling; then it calculates payment on the requested lump-sum loan.
Estimated capacity equals assumed property value times the assumed maximum combined LTV, minus existing liens. Separately, the requested home-equity loan amount is amortized at the entered rate and term. If the requested amount exceeds the modeled capacity, the tool displays the difference as an over-capacity amount.
Property value × assumed max CLTV − existing liensThe CLTV ceiling is a user-supplied assumption, not an offer.
Standard fixed-payment formulaCalculated from the requested amount, rate and repayment term.
max(0, requested amount − assumed capacity)Shows when the request is larger than the scenario capacity.
Enter a property-value assumption and all lien balances you want included.
Choose a CLTV ceiling only as a planning input.
Enter the actual lump-sum amount you want to model, not automatically the entire estimated capacity.
Compare capacity, requested amount and payment before considering a real product.
Best used for
- Testing how existing liens reduce potential equity access
- Separating “how much capacity” from “what would the payment be”
- Comparing requested loan sizes at different terms or rates
What this tool does not answer
- The tool does not determine an approved CLTV ceiling.
- It does not verify value, lien priority, credit or income.
- Product fees, closing costs and variable-rate HELOC behavior are outside this fixed-loan scenario.
How to read a sample result
Illustrative example: a $500,000 assumed value, $300,000 of existing liens and an assumed 80% CLTV produce $100,000 of modeled capacity. If the requested loan is $300,000, the tool flags $200,000 as above that assumed capacity; the payment on the requested amount at 6% for 360 months is about $1,798.65.
The methodology below explains how this calculator treats the inputs and assumptions. Replace the sample values with your own planning figures. Results are estimates, not quotes, approvals, disclosures or recommendations.
Inputs and units
Property value, existing liens, assumed maximum CLTV, requested loan, rate and term. All currency entries are U.S. dollars. Percentage fields take a number such as 6 for six percent, not 0.06. Repayment terms marked in months use whole months; horizons marked in years use whole years.
Calculation workspace
Enter your own figures in the calculator above. The starting values are examples only. No personal identifiers are needed to run a scenario.
How to interpret the result
Read every result together with the assumptions you entered. Changing an input changes the scenario, not product availability. Displayed amounts are rounded for readability.
Assumptions and limitations
A calculated capacity is not approval. The lender determines value, included liens, eligibility and fees.
Review more than one scenario
Run a base case and then change one uncertain input at a time. Compare a shorter holding period, a higher cost or a different repayment term where those inputs are supported. Record which costs have not been entered. A precise-looking number can still rest on uncertain assumptions.
Invalid inputs and error recovery
If an input is missing or outside the calculator’s supported range, the page will ask you to correct it. Use negative values only in fields that explicitly allow them. A calculation error is not a credit decision.
Model documentation
The calculator methodology explains the inputs, assumptions and supported models. Use the result for planning and compare it with the provider’s written terms and applicable disclosures before making a decision.
Choose a product for your calculation
Use these comparisons for planning; final eligibility, pricing and terms are set by the provider.
Program references and comparison sources
CFPB: Loan Estimate explainer — Comparison of covered mortgage disclosures, cash to close, points, lender credits and monthly costs.
CFPB: Understand the different kinds of loans available — Loan structures, terms and repayment risks; not provider-specific eligibility.
Check the linked source for its effective date and applicable scope. A source link is not a lender partnership or an individual offer.