Amortization Schedule Calculator
Generate a detailed loan amortization schedule showing principal, interest, and remaining balance for each payment. See exactly how your loan will be paid off over time.
Loan Details
Additional amount paid toward principal each month
Summary
Monthly Payment
$1,264.14
Total Interest
$255,088.98
Total Paid
$455,088.98
Payoff Time
30y 0m
Payment Schedule
| Year | Total Paid | Principal | Interest | Balance |
|---|---|---|---|---|
| Year 1 | $15,169.63 | $2,235.45 | $12,934.18 | $197,764.55 |
| Year 2 | $15,169.63 | $2,385.16 | $12,784.47 | $195,379.39 |
| Year 3 | $15,169.63 | $2,544.90 | $12,624.73 | $192,834.48 |
| Year 4 | $15,169.63 | $2,715.34 | $12,454.29 | $190,119.14 |
| Year 5 | $15,169.63 | $2,897.19 | $12,272.44 | $187,221.95 |
| Year 6 | $15,169.63 | $3,091.22 | $12,078.41 | $184,130.73 |
| Year 7 | $15,169.63 | $3,298.25 | $11,871.39 | $180,832.49 |
| Year 8 | $15,169.63 | $3,519.13 | $11,650.50 | $177,313.35 |
| Year 9 | $15,169.63 | $3,754.82 | $11,414.81 | $173,558.54 |
| Year 10 | $15,169.63 | $4,006.28 | $11,163.35 | $169,552.25 |
| Year 11 | $15,169.63 | $4,274.59 | $10,895.04 | $165,277.66 |
| Year 12 | $15,169.63 | $4,560.87 | $10,608.76 | $160,716.79 |
| Year 13 | $15,169.63 | $4,866.32 | $10,303.31 | $155,850.47 |
| Year 14 | $15,169.63 | $5,192.23 | $9,977.41 | $150,658.24 |
| Year 15 | $15,169.63 | $5,539.96 | $9,629.67 | $145,118.28 |
| Year 16 | $15,169.63 | $5,910.98 | $9,258.65 | $139,207.30 |
| Year 17 | $15,169.63 | $6,306.85 | $8,862.78 | $132,900.45 |
| Year 18 | $15,169.63 | $6,729.23 | $8,440.40 | $126,171.22 |
| Year 19 | $15,169.63 | $7,179.90 | $7,989.73 | $118,991.32 |
| Year 20 | $15,169.63 | $7,660.75 | $7,508.88 | $111,330.57 |
| Year 21 | $15,169.63 | $8,173.81 | $6,995.83 | $103,156.76 |
| Year 22 | $15,169.63 | $8,721.22 | $6,448.41 | $94,435.54 |
| Year 23 | $15,169.63 | $9,305.30 | $5,864.33 | $85,130.24 |
| Year 24 | $15,169.63 | $9,928.49 | $5,241.14 | $75,201.75 |
| Year 25 | $15,169.63 | $10,593.42 | $4,576.21 | $64,608.32 |
| Year 26 | $15,169.63 | $11,302.88 | $3,866.75 | $53,305.44 |
| Year 27 | $15,169.63 | $12,059.86 | $3,109.78 | $41,245.58 |
| Year 28 | $15,169.63 | $12,867.53 | $2,302.10 | $28,378.06 |
| Year 29 | $15,169.63 | $13,729.29 | $1,440.34 | $14,648.77 |
| Year 30 | $15,169.63 | $14,648.77 | $520.87 | $0.00 |
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How to Use the Amortization Schedule Calculator
Our amortization schedule calculator generates a complete payment table for any loan. Enter your loan amount, annual interest rate, and loan term in years. The calculator will show you the monthly payment and create a detailed schedule with every payment from the first to the last.
Each row in the schedule shows the payment number, payment date, payment amount, how much goes to interest, how much goes to principal, and the remaining balance after that payment. You can see exactly how your loan balance decreases over time and how the interest-to-principal ratio shifts as you pay down the loan.
The calculator also lets you add extra payments — either as a fixed amount per month or as one-time lump sum payments. Extra payments go entirely toward principal, reducing your balance faster and saving you interest. You'll see exactly how much time and money you save with extra payments in the updated schedule. This is an incredibly powerful tool for planning your loan payoff strategy and understanding exactly where your money goes each month.
Understanding Loan Amortization
Amortization is the process of paying off a loan with regular, equal payments over time. Each payment includes both interest (the cost of borrowing) and principal (reducing the loan balance). The amortization schedule shows the breakdown of every single payment you'll make over the life of the loan.
Key insight: Early in the loan, most of your payment goes toward interest because your balance is highest. Later, as you pay down the principal, more of each payment goes toward principal. For example, on a 30-year mortgage, your first payment might be 80% interest and 20% principal, while your last payment might be 5% interest and 95% principal. This is why making extra payments early in the loan has such a big impact — you reduce the principal faster, which lowers all future interest charges.
Frequently Asked Questions
What is an amortization schedule?
An amortization schedule is a complete table showing every payment over the life of a loan. Each row represents one payment and shows the payment amount, how much goes toward interest, how much goes toward principal, and the remaining loan balance. The schedule helps you see exactly how your loan will be paid down over time and how much interest you'll pay in total.
Why do I pay more interest at the beginning of a loan?
At the start of a loan, your balance is highest, so interest charges are higher. Each payment includes interest on the current balance plus principal reduction. As you pay down the principal, the balance decreases, so interest charges also decrease. This means more of each later payment goes toward principal. This is called amortization and is how most installment loans work.
How can I see the impact of extra payments?
Enter an extra payment amount in the calculator to see how it affects your payoff timeline. Extra payments go entirely toward principal, reducing your balance faster. This lowers future interest charges and shortens your loan term. Even small extra payments — $50 or $100 per month — can save thousands in interest and shave years off your loan. The schedule will show you exactly when your loan will be paid off with extra payments.
Can I use this for a mortgage?
Yes! This amortization schedule calculator works for any type of installment loan including mortgages, auto loans, personal loans, and student loans. Just enter your loan amount, interest rate, and term. For mortgages, you can also see how taxes and insurance affect your monthly housing payment, though these aren't included in the amortization schedule since they don't reduce your loan balance.
What is the difference between principal and interest?
Principal is the amount you borrowed — the actual loan balance. Interest is the cost of borrowing that money, calculated as a percentage of the remaining balance. Each loan payment includes both principal (reducing your balance) and interest (paying the lender for the loan). Early payments are mostly interest; later payments are mostly principal. The total of all principal payments equals your original loan amount.
How does the payment frequency affect my loan?
Making more frequent payments — biweekly instead of monthly — can save you money and pay off your loan faster. If you make half your monthly payment every two weeks (26 half-payments per year), you'll make the equivalent of 13 full monthly payments instead of 12. This extra payment goes toward principal and can cut years off your loan term and save thousands in interest. Our calculator lets you see this difference clearly.