Free Amortization Calculator Online
Calculate loan amortization schedules, monthly payments, principal, interest, remaining balance, total interest, and payoff details with a full payment-by-payment table.
📊 Amortization Calculator
Live Loan ScheduleLoan Inputs
Left SideAmortization Results
Right SideLoan Cost Pie Chart
| # | Payment Date | Payment | Principal | Interest | Extra | Balance |
|---|
Shows how each payment is split between principal and interest.
Extra payments can reduce interest and shorten payoff time.
Actual lender schedules may vary due to fees, exact dates, and loan terms.
What Is an Amortization Calculator?
An amortization calculator creates a detailed loan repayment schedule. It shows how each payment is divided between principal and interest, how the balance changes over time, how much total interest may be paid, and when the loan may be fully paid off.
This free amortization schedule calculator can help with mortgages, personal loans, auto loans, business loans, and other fixed-rate loans. It also lets you test extra payments to see how faster payoff can reduce total interest.
Loan Schedule Calculator
Create a full payment-by-payment schedule with principal, interest, and balance.
Monthly Payment Calculator
Estimate the payment needed to repay a loan over a selected term.
Principal and Interest Breakdown
See how much of each payment goes toward principal and how much goes toward interest.
Extra Payment Planning
Compare payoff time and interest savings when adding extra payments.
How Amortization Works
Amortization is the process of paying down a loan over time with regular payments. Early payments often include more interest because the balance is higher. As the balance declines, more of each payment goes toward principal. This calculator shows that shift in a clear table.
Amortization Formula
The calculator uses the standard fixed-rate loan formula and then builds a payment schedule showing interest, principal, extra payments, and remaining balance for every period.
Amortization Calculator Examples
Estimate a 30-year home loan amortization table and total interest.
Review a shorter repayment plan with monthly principal and interest.
Add extra payments to estimate faster payoff and interest savings.
Benefits of Using an Amortization Calculator
Understand exactly how each payment affects the loan balance.
Estimate total interest before choosing a loan term.
Test extra payments and compare different repayment strategies.
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Frequently Asked Questions
Is this amortization calculator free?
Yes. You can calculate amortization schedules, payments, interest, and balances for free.
What is an amortization schedule?
An amortization schedule is a table showing each payment, interest paid, principal paid, and remaining loan balance.
Does this calculator show principal and interest?
Yes. Each row shows how much of the payment goes toward principal and how much goes toward interest.
Can I add extra payments?
Yes. Use the extra payment field to estimate faster payoff and lower total interest.
Can I export the schedule?
Yes. Use the Download CSV button to export your amortization schedule.
Can I use it for mortgages?
Yes. It works for fixed-rate mortgage amortization estimates.
Can I use it for auto loans?
Yes. It can estimate a fixed-rate auto loan amortization schedule.
Is this a lender quote?
No. This tool provides an estimate only. Contact a lender for exact terms and payment schedules.