How to Calculate Federal Income Tax Rate in Excel

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Personal Loan Monthly Payment Calculator

Calculate your monthly installments, total interest, and total cost of borrowing.

Estimated Monthly Payment: $0.00
Total Interest Paid: $0.00
Upfront Origination Fee: $0.00
Total Cost of Loan: $0.00

How to Use the Personal Loan Calculator

Whether you are consolidating debt, financing a home renovation, or covering an unexpected expense, understanding the long-term cost of a personal loan is critical for financial health. Our calculator helps you break down the math in seconds.

Required Input Information

  • Loan Amount: The total amount of money you intend to borrow from the lender.
  • Interest Rate: The annual percentage rate (APR) charged by the lender. Rates vary based on your credit score.
  • Loan Term: The duration of the loan expressed in months (e.g., 3 years = 36 months).
  • Origination Fee: A common fee charged by lenders for processing the loan, usually deducted from the principal.

Example Personal Loan Calculation

Let's say you take out a loan for $15,000 at an 8% annual interest rate for a 48-month term (4 years), with a 2% origination fee.

  • Monthly Payment: $366.19
  • Total Interest Paid: $2,577.12
  • Origination Fee: $300.00 (Usually deducted from the amount you receive)
  • Total Payback: $17,577.12

Why Calculating Your Loan Matters

Personal loans are often marketed with "low monthly payments," but the term length can drastically change how much interest you pay over time. A longer term results in a lower monthly bill but significantly higher interest costs. Conversely, a shorter term saves you money on interest but requires a higher monthly commitment. Use this tool to find the "sweet spot" that fits your monthly budget without overpaying the lender.

Factors That Influence Your Personal Loan Rate

1. Credit Score: Borrowers with scores above 720 typically receive the lowest rates.

2. Debt-to-Income Ratio: Lenders look at how much of your monthly income goes toward existing debt payments.

3. Loan Term: Sometimes, shorter-term loans carry lower interest rates than longer-term options.

function calculatePersonalLoan() { var principal = parseFloat(document.getElementById('loanAmount').value); var annualRate = parseFloat(document.getElementById('interestRate').value); var months = parseFloat(document.getElementById('loanTerm').value); var feePercent = parseFloat(document.getElementById('originationFee').value); if (isNaN(principal) || isNaN(annualRate) || isNaN(months) || principal <= 0 || months <= 0) { alert("Please enter valid positive numbers for loan amount, rate, and term."); return; } // Monthly interest rate var monthlyRate = (annualRate / 100) / 12; // Monthly payment calculation using the formula: M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ] var monthlyPayment = 0; if (monthlyRate === 0) { monthlyPayment = principal / months; } else { var x = Math.pow(1 + monthlyRate, months); monthlyPayment = (principal * x * monthlyRate) / (x – 1); } var totalPayment = monthlyPayment * months; var totalInterest = totalPayment – principal; var upfrontFee = (feePercent / 100) * principal; var totalCost = totalPayment + upfrontFee; // Format results to currency document.getElementById('monthlyPaymentDisplay').innerHTML = '$' + monthlyPayment.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('totalInterestDisplay').innerHTML = '$' + totalInterest.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('originationFeeDisplay').innerHTML = '$' + upfrontFee.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('totalCostDisplay').innerHTML = '$' + totalCost.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); // Show result box document.getElementById('loanResult').style.display = 'block'; }

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