Loan Payment Calculator Tool

Loan Payment Calculator

Calculate monthly loan payments, total interest, and complete amortization for personal, auto, student, and business loans.

Loan Details
1K250K500K750K1M
Typical: 1-10 years for personal loans
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How to Use the Loan Payment Calculator

  1. Select loan type — Choose from Personal, Auto, Student, or Business loan.
  2. Enter loan amount — Use the input or slider to set your loan amount.
  3. Set interest rate — Enter the annual interest rate or click a preset chip.
  4. Choose loan term — Select Years or Months, then enter the term length.
  5. Calculate — Click the button to see your monthly payment and full amortization schedule.

Why Loan Payment Planning Matters

Understanding your loan payments before you borrow is essential for financial planning. Whether you are taking out a personal loan, financing a car, funding education, or starting a business, knowing your monthly payment and total interest cost helps you budget effectively and avoid financial strain.

This calculator provides a complete breakdown — from monthly payments to total interest and a full amortization schedule. All calculations happen locally in your browser — no data is ever sent to any server.

Key Features

  • Four Loan Types — Personal, Auto, Student, and Business loans with preset examples.
  • Monthly Payment — Calculates using the standard amortization formula.
  • Total Interest & Cost — Shows the full cost of borrowing.
  • Visual Donut Chart — Principal vs Interest breakdown at a glance.
  • Payment Distribution Bars — See the percentage split between principal and interest.
  • Amortization Schedule — Yearly or monthly breakdown of each payment.
  • Flexible Term Units — Enter loan term in Years or Months.
  • 100% Private — All calculations happen locally in your browser.

Frequently Asked Questions

Your monthly loan payment is calculated using the standard amortization formula: P × r × (1+r)^n / ((1+r)^n - 1), where P is your loan principal, r is your monthly interest rate (annual rate ÷ 12), and n is the total number of monthly payments. This works for personal, auto, student, and business loans.
Years is more common for long-term loans like mortgages (15-30 years) and student loans (5-20 years). Months is better for short-term loans like auto loans (36-72 months) or personal loans (12-60 months). This calculator supports both units for maximum flexibility.
Three main factors determine total interest: loan amount (higher principal = more interest), interest rate (higher rate = more interest), and loan term (longer term = more interest even with lower monthly payments). This calculator helps you visualize the impact of each factor.
An amortization schedule shows each loan payment broken down into principal and interest portions, plus the remaining balance. For loans with longer terms (over 24 months), the schedule is shown yearly. For shorter terms, monthly breakdown helps you see exactly how each payment reduces your balance over time.

Free Loan Payment Calculator — Plan Your Borrowing

Calculate your monthly loan payment, total interest, and complete amortization schedule for a personal, auto, student, or business loan — compare different amounts, rates, and terms to find an affordable plan, with a visual donut chart and payment distribution bars showing exactly where your money goes, plus a detailed year-by-year or month-by-month breakdown of principal and interest, all calculated instantly in your browser with nothing ever sent to a server.

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All calculations are performed locally in your browser. No data is sent to any server.

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