Loan Repayment Calculator – Plan Payments & Schedule Free

Spluxly’s free online Loan Repayment Calculator is a comprehensive and flexible loan planning tool designed for borrowers, financial planners, and anyone who wants to understand the full cost and timeline of repaying a loan before or during the borrowing process. Enter your principal loan amount, annual interest rate, loan term in years or periods, and preferred payment frequency — Monthly, Quarterly, Semi-Annual, or Annual — and the calculator instantly computes your periodic payment amount, total interest paid over the full loan term, total amount paid, and the exact payoff time. An optional extra payment field allows you to enter an additional amount above the standard periodic payment to model the impact of overpaying on interest savings and loan duration reduction. A toggleable amortization schedule provides a full period-by-period breakdown showing the payment number, payment amount, principal component, interest component, and remaining balance for every period in the loan term. Whether you are planning a home loan, car loan, personal loan, student loan, or business loan repayment, this calculator gives you complete visibility over every aspect of the repayment journey. Completely free, no registration required.

How to Use the Loan Repayment Calculator Online

Planning your loan repayment takes just seconds. Follow these simple steps:

• Enter Principal Amount – Type the total loan amount borrowed (e.g., $20,000) into the principal amount field
• Enter Annual Interest Rate – Type the annual interest rate as a percentage (e.g., 6.5%) into the interest rate field
• Enter Loan Term – Type the loan duration (e.g., 5) and select whether the term is in Years or Periods from the toggle
• Select Payment Frequency – Choose how often payments are made from the dropdown: Monthly, Quarterly, Semi-Annual, or Annual
• Enter Extra Payment (optional) – Type any additional amount you plan to pay above the standard periodic payment (e.g., $100 extra per month) to see how overpaying reduces total interest and shortens the loan term
• Click Calculate Repayment – Instantly receive your periodic payment amount, total interest paid, total amount paid, and payoff time
• View the Amortization Schedule – Click the amortization schedule toggle to expand a full period-by-period table showing payment number, payment amount, principal paid, interest charged, and outstanding balance for every period

Formula Used

The periodic payment is calculated using the standard reducing balance amortization formula, adjusted for the selected payment frequency.

Periodic Payment Formula: Payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

Where:

• P = Principal loan amount
• r = Periodic interest rate (Annual Rate ÷ Payments per year)
• n = Total number of payment periods

Extra Payment Impact: When an extra payment is added, the calculator applies the additional amount to the principal balance each period, recalculating the remaining balance and adjusting the payoff time and total interest accordingly.

Payment Frequency Reference:

Example for a $20,000 loan at 6.5% annual interest over 5 years with monthly payments and $100 extra per month:

Why Use Spluxly’s Loan Repayment Calculator?

• Extra Payment Modelling – An optional extra payment field calculates the precise impact of overpaying each period on total interest savings and loan payoff time, making it easy to evaluate whether paying more now is worthwhile for your specific loan
• Four Payment Frequencies – Supports Monthly, Quarterly, Semi-Annual, and Annual payment schedules using the correct periodic rate for each, making the calculator accurate for all standard loan structures used by banks and lenders
• Full Amortization Schedule – A toggleable period-by-period table shows the payment amount, principal component, interest component, and outstanding balance for every payment in the loan term, giving complete transparency over how the loan balance reduces over time
• Payoff Time Display – Returns the exact payoff time adjusted for any extra payments entered, showing precisely how many periods the loan will take to clear and how much sooner it is paid off compared to the standard schedule
• Years and Periods Toggle – Accepts loan tenure in either years or periods, covering both standard annual term loans and loans structured in non-annual period counts in the same calculator
• Total Interest and Total Payment – Returns both the total interest payable and the total amount paid over the full term alongside the periodic payment, giving borrowers the complete cost picture beyond just the instalment amount
• 100% Free & Instant – No registration, no fees — your periodic payment, total interest, payoff time, and full amortization schedule with extra payment modelling delivered in seconds