Free Loan Calculator
Compute the fixed monthly payment on any amortizing loan.
- Free Forever
- No Registration Required
- Instant Results
- Downloadable Reports
- Mobile Friendly
Inputs
Result
Monthly payment
$500.95
Your result is ready.
Download your free detailed report — inputs, result, formula and explanation included.
Estimates only. Verify with a professional for consequential decisions.
- Always Free
- No Hidden Costs
- No Account Required
- Unlimited Calculations
- Instant Reports
Short answer
A loan payment is the fixed monthly amount that amortizes principal and interest across the loan term. It is computed from the loan amount, annual percentage rate (APR), and number of monthly payments.
What is the Loan Calculator?
A loan is a lump sum extended by a lender in exchange for scheduled repayments including interest. The loan calculator returns the periodic payment that satisfies the amortization schedule.
How does the Loan Calculator work?
The annual rate is divided by 12 to get the periodic rate; the term in years is multiplied by 12 to get the number of payments. The formula returns the level payment that reduces the balance to zero.
Formula
Variables
MMonthly paymentPLoan principalrMonthly interest ratenTotal number of monthly payments
Explanation
Standard amortization: each payment covers accrued interest first, and the remainder reduces principal until the balance is zero.
Examples
Example 1: $25,000 auto loan at 7.5% for 5 years
The monthly payment is about $500.90 and total interest paid is roughly $5,054.
Example 2: $10,000 personal loan at 12% for 3 years
Monthly payment is approximately $332.14; total interest paid is roughly $1,957.
Applications
- Auto financing decisions
- Personal loan comparison across lenders
- Student loan repayment planning
- Small-business term-loan modeling
Advantages
- Turns APR marketing into a concrete monthly dollar figure
- Isolates lifetime interest so borrowers can compare offers by true cost
- Supports what-if analysis on term length
Limitations
- Ignores origination fees, prepayment penalties, and late fees
- Assumes a fixed rate; variable-rate loans will change over time
- Does not include compounding for interest-only or balloon structures
Common mistakes
- Confusing APR with the periodic (monthly) rate
- Choosing the longest term to minimize payment while ignoring total cost
Tips
- A shorter term with a slightly higher payment usually saves thousands in interest
- Even small extra principal payments meaningfully shorten payoff
Related concepts
The Loan Calculator sits inside the Finance Calculators hub, in the loans & debt payoff cluster. Instalment borrowing, credit cards and payoff strategy. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.
Practical use cases and industry applications
Understanding Loan
A loan is a lump sum extended by a lender in exchange for scheduled repayments including interest. The loan calculator returns the periodic payment that satisfies the amortization schedule. Within finance calculators, loan belongs to the loans & debt payoff cluster, where it shares terminology and assumptions with closely related tools.
Learning how loan is calculated
Standard amortization: each payment covers accrued interest first, and the remainder reduces principal until the balance is zero. Working through the variables one at a time — M, P, r, n — makes the result reproducible by hand and easier to sanity-check.
Using loan to make a decision
Auto financing decisions Personal loan comparison across lenders Student loan repayment planning Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.
How loan compares with related measures
principal, APR, term, avalanche method all describe adjacent aspects of loans & debt payoff. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.
Frequently asked questions
What is APR?
APR (annual percentage rate) is the yearly cost of borrowing, expressed as a percentage that includes interest and certain fees.
Is this valid for interest-only loans?
No. This calculator assumes fully amortizing fixed payments.
Related calculators
These tools share entities, formulas or user intent with the loan calculator.
Financial
Free Mortgage Calculator
Estimate your monthly mortgage payment, total interest, and payoff schedule.
Financial
Free Compound Interest Calculator
Project the future value of savings with compounding and periodic contributions.
Math
Free Percentage Calculator
Percent of a number, percent change, and reverse percent problems.
Financial
Free Auto Loan Calculator
Monthly car payment from price, down payment, trade-in, and sales tax.
Financial
Free Loan Extra Payment Calculator
Interest and time saved by paying extra on a loan (EMI).
Financial
Free Personal Loan Calculator
Monthly payment and total cost for a personal loan.
Financial
Free Student Loan Calculator
Estimate monthly payment and total interest on a student loan.
Financial
Free Amortization Calculator
Year-by-year principal, interest, and remaining balance schedule.
Financial
Free APR Calculator
True annual percentage rate on a loan with fees.