Free amortization calculator

Make every loan number easier to trust.

Estimate monthly payments, compare extra-payment savings, view payoff timing, and export a full amortization schedule for mortgage, auto, and education scenarios.

  • Mortgage, auto, education
  • No signup required
  • CSV schedule export
  • Private browser storage
Loan details

Build your estimate

Advanced annual costs
Loan planning tools

One calculator for the most common borrowing decisions

Use the same amortization engine with labels that fit the loan you are comparing.

01

Mortgage Estimate

Plan a home loan with down payment, property tax, insurance, and payoff timing in one view.

02

Auto Loan Estimate

Compare vehicle price, down payment, interest rate, term, and optional extra monthly payments.

03

Education Loan Estimate

Model tuition, scholarships or grants, and long-term repayment impact without creating an account.

Simple workflow

From rough number to useful schedule in seconds

The calculator is designed for quick exploration. Adjust your numbers, compare the savings from extra payments, and export the schedule when you are ready to review it.

1

Enter loan details

Add price, down payment, interest rate, and term.

2

Compare the outcome

See payment, interest, payoff date, and savings.

3

Export the schedule

Download a CSV for spreadsheet review.

How to use it well

Start with the payment, then check the story behind it

A loan calculator is most useful when you do not stop at the monthly payment. The same payment can hide very different trade-offs: a longer term, a higher rate, a smaller down payment, or thousands of dollars in extra interest.

Use Get Loan Calc to test a few versions of the same loan before you compare lender quotes. Change one number at a time so you can see what actually moves the result.

Scenario 1: What can I afford each month?

Enter the loan amount, rate, and term first. For a mortgage, add estimated property tax and insurance so the monthly number is closer to the real housing cost.

Scenario 2: What if I pay extra?

Add a monthly or yearly extra payment and watch the payoff date and total interest change. Small extra payments usually help most when made early in the loan.

Scenario 3: Is a shorter term worth it?

Compare a 15-year and 30-year mortgage, or a 48-month and 72-month auto loan. Shorter terms usually cost less interest but require a higher monthly payment.

Scenario 4: How sensitive is this loan to rates?

Run the same loan at a lower, middle, and higher rate. If the higher-rate version already feels tight, the purchase may need a bigger down payment or a smaller loan amount.

What the estimate does not include

The calculator uses standard fixed-rate amortization. It does not replace a lender quote, and it does not model every fee or rule that can appear in a real loan.

  • Origination fees, discount points, dealer fees, and closing costs are not included in the payment math.
  • APR is not calculated from fees; use written lender disclosures to compare APR.
  • Variable-rate loans, deferment periods, escrow changes, and lender-specific rounding may produce different results.
  • Mortgage insurance, HOA fees, taxes, and insurance should be checked separately before making a decision.

Payment breakdown

Compare the amount borrowed with the estimated interest cost.

Amortization schedule

Month Payment Principal Interest Balance
No login Use the calculator without sharing personal financial details.
Local state Saved inputs stay in the browser through localStorage.
CSV ready Export the amortization schedule for offline review.
Static site Fast pages with no API dependency for calculations.
Loan guide

Understanding loan payments and amortization

A loan payment is usually made from two moving parts: principal and interest.

Principal is the balance you are repaying

Principal is the amount borrowed after any down payment, scholarship, grant, trade-in, or other upfront reduction. Each principal payment lowers the remaining balance and reduces the amount that future interest is based on.

Interest is the cost of borrowing

Interest is the cost of using borrowed money over time. In a fixed-rate amortization estimate, the interest portion is usually highest near the beginning because the remaining balance is still large.

Amortization shows how the balance falls

Amortization spreads payments across a fixed term so each scheduled payment moves the balance closer to zero. Early payments often contain more interest, while later payments pay down more principal.

Use the estimate for comparison

Use the calculator as a planning screen before you compare lender quotes. Start with the loan amount, rate, and term, then adjust down payment or extra monthly payments to see how the payoff date changes.

The monthly payment estimate is most useful when you compare several scenarios side by side, because a small rate change or a modest extra payment can affect total interest over a long term.

Review loan types differently

A 30-year mortgage can have a comfortable monthly payment but a high lifetime interest cost. A shorter term may raise the payment while lowering total interest. Auto loans usually have shorter terms, so the monthly payment reacts quickly to vehicle price, down payment, and rate.

Education loans can have repayment rules that vary by lender or program, so this calculator should be treated as a plain amortization estimate rather than a substitute for official repayment disclosures.

How extra payments help

Extra monthly payments reduce principal ahead of schedule. When the balance falls faster, future interest charges are calculated on a smaller amount, which can shorten the term and lower total interest.

APR versus interest rate

The interest rate is used for the amortization math. APR may include fees or other borrowing costs. This calculator uses the interest rate input and does not attempt to estimate APR from fees.

Taxes and insurance

Property tax and insurance can help estimate a broader monthly housing cost. They are not part of principal and interest and do not reduce the loan balance.

Important disclaimer

Estimates are for educational purposes only. Real loans may include fees, escrow adjustments, variable rates, deferment periods, or lender-specific rounding methods.

Loan calculator FAQ

Does this calculator include every lender fee?

No. It focuses on principal, interest, optional tax and insurance estimates, and extra monthly payments. Origination fees, closing costs, escrow changes, and lender-specific rounding are not included.

Why does the interest amount change each month?

Interest is calculated from the remaining balance. As the balance falls, less of each payment goes to interest and more goes to principal.

Can I use the export for spreadsheet review?

Yes. The page shows the first 12 rows for readability, while the CSV export includes the full amortization schedule generated from your inputs.

Is this financial advice?

No. Get Loan Calc provides educational estimates only. Confirm loan terms with a lender, broker, or licensed professional before making financial decisions.