# Mortgage Discount Points Calculator — United States > Compare points using both monthly payments and the mortgage balance still owed at the planned exit date. USD planning view; stated limitations apply. Page: https://askcalculators.com/us/mortgage-points/ Definition: https://askcalculators.com/us/mortgage-points/definition.json JSON Schema: https://askcalculators.com/us/mortgage-points/schema.json Version: 20.16.0 Maintained by: AskCalculators (software project; not a credentialed reviewer) Qualified review: pending. Automated checks do not establish professional approval. Page status: Live Review status: Pending ## Use Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation. Example: https://askcalculators.com/us/mortgage-points/?principal=300000&rateWithout=6.5&rateWith=6.25&points=1&extraFees=0&termMonths=360&holdingMonths=84 ## Inputs - principal: Mortgage principal; type=money; required; default=300000; min=0; max=1000000000000 - rateWithout: Annual nominal rate without points; type=percent; required; default=6.5; min=0; max=100 - rateWith: Annual nominal rate with points; type=percent; required; default=6.25; min=0; max=100 - points: Points as a percentage of principal; type=percent; required; default=1; min=0; max=20 - extraFees: Other incremental up-front fees; type=money; required; default=0; min=0; max=1000000000000 - termMonths: Loan term, months; type=number; required; default=360; min=1; max=1200 - holdingMonths: Expected months before sale/refinance; type=number; required; default=84; min=0; max=1200 ## Outputs - pointsCost: Incremental up-front cost; format=currency - paymentWithout: Payment without points; format=currency - paymentWith: Payment with points; format=currency - monthlySaving: Monthly payment saving; format=currency - breakEven: Simple payment break-even, months; format=number - horizonSaving: Cash plus balance saving at exit horizon; format=currency; primary ## Formula exit-horizon benefit = payment savings to exit + difference in remaining balances − incremental up-front cost. Inputs are converted to canonical units before evaluating this stated formula. ## Rules - Empty optional inputs are undefined, not zero. - Hidden conditional inputs are ignored. - Do not invent missing required inputs. Notice: Illustrative defaults are not local quotes or verified legal rules. Dated reference components and user-entered assumptions are explicitly distinguished. Professional review is pending.