Finance Calculator Online
Use this tool to estimate various finance calculations quickly and easily.
function calculateLoan() { const amount = parseFloat(document.getElementById(“amount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12; const loanTerm = parseInt(document.getElementById(“loanTerm”).value) * 12; if (isNaN(amount) || isNaN(interestRate) || isNaN(loanTerm) || amount <= 0 || interestRate <= 0 || loanTerm <= 0) { alert("Please enter valid positive values for all fields."); return; } const monthlyPayment = (amount * interestRate) / (1 – Math.pow(1 + interestRate, -loanTerm)); document.getElementById("monthlyPayment").value = monthlyPayment.toFixed(2); } function resetForm() { document.getElementById("financeCalculatorForm").reset(); document.getElementById("monthlyPayment").value = ""; }