Va Refinance Calculator Navy Federal

let refinanceSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateRefinance(){ refinanceSteps=””; const loanAmount=parseFloat(document.getElementById(“loanAmount”).value); const currentRate=parseFloat(document.getElementById(“interestRate”).value)/100; const newRate=parseFloat(document.getElementById(“newInterestRate”).value)/100; const loanTerm=parseInt(document.getElementById(“loanTerm”).value); const monthlyPayment=parseFloat(document.getElementById(“monthlyPayment”).value); if(isNaN(loanAmount)||isNaN(currentRate)||isNaN(newRate)||isNaN(loanTerm)||isNaN(monthlyPayment)||loanAmount<=0){ alert("Please enter valid positive values for all fields."); return; } const currentMonthlyInterest = (loanAmount * currentRate) / 12; const newMonthlyInterest = (loanAmount * newRate) / 12; const newMonthlyPaymentValue = newMonthlyInterest + (loanAmount / loanTerm / 12); const totalSavings = (monthlyPayment * loanTerm) – (newMonthlyPaymentValue * loanTerm); document.getElementById("newMonthlyPayment").value = formatCurrency(newMonthlyPaymentValue); document.getElementById("totalSavings").value = formatCurrency(totalSavings); refinanceSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Current Rate: ${(currentRate*100).toFixed(2)}%
New Rate: ${(newRate*100).toFixed(2)}%
Loan Term: ${loanTerm} years
Current Monthly Payment: ${formatCurrency(monthlyPayment)}

`; refinanceSteps += `Formulas:
New Monthly Payment = (Loan Amount × New Rate / 12) + (Loan Amount / Loan Term / 12)
Total Savings = (Current Monthly Payment × Loan Term) – (New Monthly Payment × Loan Term)

`; refinanceSteps += `Results:
Estimated New Monthly Payment: ${formatCurrency(newMonthlyPaymentValue)}
Total Savings over Loan Term: ${formatCurrency(totalSavings)}
`; if(document.getElementById(“calculationStepsRefinance”).style.display===”block”){ document.getElementById(“calculationStepsRefinance”).innerHTML = refinanceSteps; } } function resetRefinance(){ document.querySelectorAll(“#va-refinance-calculator input”).forEach(el=>el.value=””); refinanceSteps=””; document.getElementById(“calculationStepsRefinance”).innerHTML=”

Not calculated yet.

“; } function toggleRefinanceSteps(){ const s=document.getElementById(“calculationStepsRefinance”); const a=document.getElementById(“toggleArrowRefinance”); if(s.style.display===”none”||s.style.display===””){ s.style.display=”block”;a.style.transform=”rotate(180deg)”; s.innerHTML=refinanceSteps||”

Not calculated yet.

“; }else{s.style.display=”none”;a.style.transform=”rotate(0deg)”;} } function formatCurrency(n){return currencySymbol+n.toFixed(2)+” “+fixedCurrency;}