United States loan planning

Loan Calculator — Free & Accurate Payment Calculator

Use this free loan calculator to estimate monthly payments, total interest, and your full amortization schedule. Enter the loan amount, APR, and term to compare loan offers, test extra payments, and see your results instantly in your browser.

Quick answer: A loan calculator estimates your monthly payment, total interest, and payoff timeline using the standard amortization formula lenders use. Enter the loan amount, APR, and term in the calculator below to see instant estimates in your browser — no sign-up required. Results are educational estimates only, not lender quotes or financial advice.

★★★★★
4.8
App Store rating
Loved by
500K+ Borrowers
iPhone 17 Pro Mockup
Loan Calculator calculator list on iPhone

Free web tool

Calculate your loan payment right now

Accurate amortization, extra payments impact, and side-by-side comparisons. This is the same math trusted by the app's users.

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Instant results. All calculations happen in your browser. No data sent.

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months
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Monthly Payment
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Total Interest
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Total Repayment
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Payoff Time
Interest Saved with Extras
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Amortization Preview (first 6 payments) View full schedule ↓
Month Payment Principal Interest Balance

Side-by-Side Comparison

Scenario A (current)
Monthly:
Total Interest:
Total Paid:
Scenario B
Monthly:
Total Interest:
Total Paid:

What the web can't do

Why serious borrowers download the app

The web calculator is great for quick estimates. The app is the complete professional toolkit.

40+ countries with real local rules (CMHC, Infonavit, stamp duty profiles, LTI limits & more)

Debt Payoff Planner — optimize payoff order across multiple loans & credit cards

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Professional PDF export with complete amortization schedules & charts

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loan calculator

Loan Calculator helps US borrowers estimate payments, understand interest, and compare repayment choices before talking to a lender.

Calculator features

Everything you need in one Loan Calculator

Precise monthly payment using the standard amortization formula

See exactly how much goes to principal vs interest each month

Model extra payments and see months + thousands saved

Side-by-side loan comparisons before you talk to any lender

iPhone 17 Pro Mockup
Loan Calculator calculator list on iPhone
iPhone 17 Pro Mockup
Loan Calculator instant payment calculation screen
iPhone 17 Pro Mockup
Loan Calculator total cost analysis screen

Common uses

Plan before you borrow

Insights from real users

What hundreds of thousands of calculations reveal

62%

of car loan scenarios modeled in the app use terms between 60–72 months. Shorter terms almost always save over $2,000 in interest.

7.1–8.4%

Most common APR range people explore for new auto loans. Adding just $75/mo in extra payments cuts the average loan by 9 months.

4.2 years

Average time to break-even on refinance calculations when rates drop 0.75% or more (after typical closing costs).

3.8×

More total interest saved when users run extra-payment scenarios early (within first 18 months) vs waiting until year 5.

Aggregated and anonymized from app usage. Not financial advice. See our methodology.

4.8 ★ App Store rating
Hundreds of thousands Planning sessions
Private On-device by default
Free Core tools, no sign-up

App Store feedback themes

What users commonly mention in reviews

These are recurring themes paraphrased from public App Store reviews — not individual quotes. Read verified reviews directly on the App Store.

4.8
★★★★★
App Store rating
View on App Store

Free · No sign-up

Detailed amortization schedules

Reviewers often mention that full month-by-month breakdowns help them understand principal vs. interest before talking to a lender.

Accurate payment estimates

A common theme is that results align closely with lender quotes when the same loan amount, APR, and term are entered.

Privacy and on-device calculations

Many reviewers value that core calculations stay on the device without requiring an account for basic use.

Side-by-side loan comparisons

Users frequently highlight comparing two loan scenarios to see which offer has the lower true cost over time.

Extra payment modeling

Reviewers often note that modeling extra payments early shows meaningful interest savings and shorter payoff timelines.

Simple, fast interface

A recurring comment is that the app is straightforward to use without unnecessary steps or clutter.

FAQ

loan calculator questions

What can I calculate with this US loan calculator?

You can estimate payments for auto loans, mortgages, personal loans, student loans, refinance scenarios, and general amortization planning. Tools like Loan Comparison, Debt Payoff Planner, Refinance Break-Even, Rent vs. Buy, and Credit Card Payoff are also included.

How do I calculate interest on a loan?

For a fixed-rate loan, monthly interest is calculated by multiplying your current balance by the monthly interest rate (annual rate ÷ 12). In the early months, most of your payment goes to interest. As the balance decreases, more goes to principal. The app generates a full amortization schedule so you can see the exact interest paid each month.

How do I calculate my monthly mortgage payment?

Enter your home price, down payment, interest rate, and loan term. The app applies the standard amortization formula to estimate your principal and interest payment. You can also add property tax, home insurance, HOA fees, and mortgage insurance to get a more complete monthly cost picture.

How much house or car can I afford?

Use the Borrowing Power tool. Enter your annual income, monthly debts, and down payment to see an estimated maximum loan amount based on common debt-to-income guidelines. For a car, try entering different loan amounts with your target monthly budget to find a comfortable payment.

How much interest will I pay over the life of the loan?

The app shows total interest alongside total repayment for every calculation. You can also see how adding an extra monthly payment or a one-time lump sum reduces both total interest paid and your payoff date.

What is an amortization schedule and how does it work?

An amortization schedule is a month-by-month breakdown showing how each payment is split between principal and interest, and your remaining balance after each payment. Early payments are mostly interest; later payments are mostly principal. Loan Calculator generates a full schedule for every loan type.

Is Loan Calculator a lender?

No. Loan Calculator is a planning app. It does not offer loans, broker loans, make credit decisions, or provide financial advice.

Does the app work offline?

Yes. Core calculations run on your device, so you can review payment and amortization estimates without submitting financial details to a website.

How much mortgage can I afford?

To determine how much mortgage you can afford, use a mortgage affordability calculator that factors your annual income, monthly debts, down payment, interest rate, and loan term. Most lenders follow the 28/36 rule — your monthly mortgage payment should not exceed 28% of your gross monthly income, and total debt payments should stay under 36%. A loan calculator helps you find the right home price range before you apply.

What is the mortgage rate today?

Mortgage rates change daily based on economic conditions, inflation, and Federal Reserve policy. Current mortgage rates vary by loan type — conventional, FHA, VA, and jumbo loans all carry different rates. Use a mortgage calculator to estimate your monthly payment with today's rate, then lock your rate with a lender when you are ready to apply.

How much house payment can I afford?

Your affordable house payment depends on your income, existing debts, down payment, property taxes, and homeowners insurance. A mortgage payment calculator estimates your monthly principal, interest, taxes, and insurance costs. A general guideline is that your total housing payment should be no more than 28% of your pretax monthly income. Use this loan calculator to test different home prices and down payment scenarios.

How to get a mortgage?

Getting a mortgage starts with checking your credit score, gathering income documents, and calculating how much you can afford using a mortgage calculator. Next, compare loan types — conventional, FHA, VA, or USDA — and get pre-approved by a lender. Submit your application, lock your interest rate, and close on your home. A loan calculator helps you understand payments and interest before you commit.

How much mortgage do I qualify for?

The mortgage amount you qualify for depends on your income, credit score, debt-to-income ratio, down payment, and current interest rates. Lenders use your DTI ratio — typically maxing out at 43% — to determine your loan limit. Use a mortgage qualification calculator to estimate your borrowing power before meeting with a lender so you shop for homes in the right price range.

Where to get a personal loan?

You can get a personal loan from banks, credit unions, and online lenders. Compare APRs, origination fees, loan terms, and monthly payments before applying. A personal loan calculator helps you estimate monthly payments and total interest so you know the true cost before signing. Many lenders offer pre-qualification with a soft credit check so you can compare offers without hurting your score.

How much is a 30k car payment for 72 months?

A $30,000 car loan for 72 months at 7% APR has an estimated monthly payment around $511. Over 72 months, you would pay roughly $6,800 in total interest. Use a car loan calculator to adjust the down payment, trade-in value, interest rate, and term length to find the monthly payment that fits your budget before visiting a dealer.

How to calculate car payment?

To calculate a car payment, enter the vehicle price, down payment, trade-in value, APR, and loan term into a car payment calculator. The auto loan calculator applies the standard amortization formula to return your estimated monthly payment. You can compare new and used car loan scenarios to find the best deal before negotiating with a dealer.

What is the interest rate on vehicle finance?

Vehicle finance interest rates vary by credit score, loan term, new vs. used car, and lender. As of mid-2026, new car loan APRs range from 5% to 10% for well-qualified buyers, while used car rates are typically higher. Use a car loan interest calculator to see how different rates affect your monthly payment and total interest over the loan term.

Understanding Your loan calculator

Using a dedicated Loan Calculator - Free Loan Payment Calculator (2026) is the first step toward financial clarity. Before you apply for a loan or commit to a new rate, it's critical to know exactly how much you'll pay every month and how much interest will accrue over time.

How Our Calculations Work

Our app processes your principal amount, interest rate (APR), and loan term to generate an exact amortization schedule. Here are the key factors:

  • Principal: The starting balance of your loan.
  • Interest Rate: A lower rate drastically reduces your total repayment amount.
  • Loan Term: A longer term means lower monthly payments but more total interest paid over time.

By simulating different scenarios—like putting down a larger down payment or making early extra payments—you can find the fastest route to becoming debt-free.

Written and reviewed by · Editorial Team ·

Grounded in real usage. The scenarios and examples shown here reflect patterns observed across many hundreds of thousands of on-device calculations performed by users of the companion iPhone app. This helps surface practical insights beyond textbook formulas.

How to Calculate Your Monthly Loan Payment

Every payment splits between principal (what you actually borrowed) and interest (what the lender charges). We use the industry-standard amortization formula that every major U.S. lender applies. The widget above runs the exact same math live.

Example: A $30,000 car loan at 7.2% APR for 60 months produces a monthly payment of ~$597. Total interest paid: roughly $5,820. Extend to 72 months and the payment drops to ~$514 but total interest climbs above $7,000. The interactive calculator above shows these trade-offs instantly.

What Is an Amortization Schedule?

It is the month-by-month breakdown of every payment. Early on, you pay mostly interest. Later, the majority goes to principal. Seeing this schedule helps you understand why making extra payments early has an outsized effect.

Our live tool and the app both generate full schedules so you can pick any month and see the exact remaining balance.

How Extra Payments Cut Interest

Even modest extra payments applied consistently attack the principal faster. The live calculator above shows the precise months saved and interest avoided. From user data, most people who add even $50–$100 extra per month on auto loans finish 8–14 months earlier.

Comparing Two Loan Offers Side by Side

One of the most powerful features is the Loan Comparison tool. Enter two different sets of loan terms — Loan A and Loan B — and the calculator displays the monthly payment, total interest, and total repayment for each. This is useful when you have quotes from two lenders, or when you are deciding between a shorter and a longer loan term. The lower payment is not always the better deal; the comparison shows you the real cost of each option over time.

Refinance Break-Even: Is It Worth It?

Refinancing can lower your monthly payment or save interest — but it comes with closing costs. The Refinance Break-Even calculator figures out how many months it takes for your monthly savings to offset those upfront costs. If your break-even point is 18 months and you plan to stay in the home for 5 years, refinancing likely makes sense. If you plan to sell in a year, the math may not work in your favor.

Loan Calculator

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