// multi-utility computation suite · offline · instant · precise
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fin.loan-refinance Calculator
Calculates monthly savings, break-even months, and lifetime interest savings from refinancing a mortgage at a new rate and term. The break-even point is the key number — if you plan to sell before reaching it, refinancing costs more than it saves.
Inputs
Old Rate
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
New Rate
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Balance
Reference formula or conversion factor shown for context.
Closing
Reference formula or conversion factor shown for context.
Years Left
Reference formula or conversion factor shown for context.
Results
old payment
Sample size or count used in the calculation.
new payment
Sample size or count used in the calculation.
monthly savings
Total money or resources saved compared to the baseline or alternative scenario.
break-even
The price, quantity, or time at which total revenue equals total cost — neither profit nor loss.