47,312 calculations run today

United States loan planning

Loan calculator for faster US borrowing decisions

Estimate monthly payments, compare interest costs, and review amortization schedules for auto, mortgage, personal, student, and refinance scenarios from one iPhone app.

★★★★★ 4.8 App Store
500K+ Downloads
Private & On-device
Loan Calculator calculator list on iPhone

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loan calculator

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

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Calculator features

Built for everyday US loan planning

Monthly payment estimates using loan amount, APR, and term

Principal, interest, taxes, and total repayment breakdowns

Amortization schedules that show how balances change over time

Side-by-side comparisons for lender offers and payoff choices

Loan Calculator calculator list on iPhoneLoan Calculator instant payment calculation screenLoan Calculator total cost analysis screen

Common uses

Plan before you borrow

500K+ Downloads
4.8 ★ App Store Rating
120K+ 5-Star Reviews
#1 Finance Calculator
2M+ Calculations Run

App Store Reviews

Loved by 500,000+ borrowers

See what borrowers are saying

4.8
★★★★★
120K+ Ratings
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84%
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10%
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3%
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Free · No sign-up

★★★★★

Best loan calculator I've ever used

Finally an app that actually shows me the full amortization breakdown. I used it to compare my mortgage options and saved thousands. The UI is clean and everything loads instantly.

★★★★★

Helped me buy my first car!

I walked into the dealership knowing exactly what my monthly payment would be. The car loan calculator is spot on — even matched the numbers from the finance department. Highly recommend!

★★★★★

Privacy-first, and actually accurate

Love that everything stays on-device. No sign up, no data selling. The calculations match what my bank told me exactly. This is the only finance app I trust on my phone.

★★★★★

Saved me from a bad refinance deal

I was about to sign a refinance that looked good on the surface. Ran the numbers here and realized I'd pay $8,000 more in interest. This app literally saved me money. Worth every star.

★★★★★

Simple, fast, no nonsense

Other apps make you create accounts just to use a calculator. This one just works. Open it, plug in numbers, get your answer in seconds. The extra payment simulator is genius — showed me I could be debt-free 3 years early.

★★★★★

My go-to financial planning tool

Used this for everything — car, home equity, personal loans. The ability to compare two loan scenarios side by side is a game changer. Sharing the breakdown with my financial advisor impressed them too.

★★★★★

Exactly what I needed for my student loans

I have multiple student loans with different rates. This app helped me figure out the optimal payoff strategy. The amortization schedule is incredibly detailed and easy to read.

★★★★★

Showed me I was overpaying on my mortgage

Input my current mortgage and compared it against refinancing options. Realized I could save $340/month just by refinancing. The app paid for itself in about 30 seconds of use.

★★★★★

Best UX of any finance app

As a developer, I appreciate apps that are well-designed. This one nails it. Clean, fast, no clutter. The charts are beautiful and the data is always accurate. 10/10 would recommend.

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 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.

How to Calculate Your Monthly Loan Payment

Every loan payment is made up of two parts: principal (the amount you borrowed) and interest (the lender's charge for lending it). To calculate a monthly payment, the app uses the standard amortization formula: it takes your loan amount, annual interest rate (APR), and loan term in months, and returns the fixed monthly payment that will reduce your balance to zero by the final due date.

For example, on a $30,000 car loan at 7% APR over 60 months, your estimated monthly payment is around $594. Over the life of the loan you would pay roughly $5,640 in interest on top of the $30,000 principal — a total repayment of $35,640. Changing the term to 72 months lowers the payment to ~$513 but increases total interest to ~$6,936. This is why comparing terms side-by-side matters.

What Is an Amortization Schedule?

An amortization schedule is a month-by-month table that shows exactly how each payment is split between principal and interest, and what your remaining balance is after each payment. In the early months of a loan, most of your payment goes toward interest. Over time, the balance of principal vs. interest shifts — a concept called amortization.

Loan Calculator generates a full amortization schedule for every loan type — auto, mortgage, personal, student, and more — so you can see your projected payoff date and remaining balance at any point in the repayment. This answers the common question: "how much of my payment is actually going toward what I owe?"

How Extra Payments Cut Interest

Making extra payments — even small ones — can significantly reduce how much interest you pay and how long it takes to pay off a loan. The app lets you enter an extra monthly payment or a one-time lump sum payment to model these scenarios. For instance, adding $100/month to a 30-year mortgage can cut years off your repayment and save tens of thousands in interest. The app shows the exact interest saved and the new payoff date so you can make an informed decision.

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

Estimate the payment, then compare the total cost.

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