T
ToolPrime

Loan Calculator

Calculate monthly payments for any loan amount, interest rate, and term. See total interest paid, view a complete amortization schedule, and compare different loan scenarios.

Monthly Payment

$599.55

Total Paid

$215,838

Total Interest

$115,838

Principal vs Interest

Principal ($100,000)Interest ($115,838)

Amortization Schedule

Monthly loan amortization schedule
MonthPaymentPrincipalInterestBalance
1$599.55$99.55$500.00$99,900.45
2$599.55$100.05$499.50$99,800.40
3$599.55$100.55$499.00$99,699.85
4$599.55$101.05$498.50$99,598.80
5$599.55$101.56$497.99$99,497.24
6$599.55$102.06$497.49$99,395.18
7$599.55$102.57$496.98$99,292.61
8$599.55$103.09$496.46$99,189.52
9$599.55$103.60$495.95$99,085.92
10$599.55$104.12$495.43$98,981.79
11$599.55$104.64$494.91$98,877.15
12$599.55$105.16$494.39$98,771.99

How to Use

  1. Enter the loan amount you want to borrow
  2. Set the annual interest rate as a percentage
  3. Choose the loan term in years
  4. View your monthly payment, total cost, and amortization schedule

What Is Loan Amortization?

Loan amortization is the process of spreading a loan into a series of fixed payments over time. Each payment covers both principal repayment and interest charges. In the early years, most of each payment goes toward interest; as the balance shrinks, more goes toward principal — a pattern clearly visible in an amortization schedule.

The Equated Monthly Installment (EMI) formula calculates your fixed monthly payment based on the loan amount, interest rate, and term. Understanding amortization helps borrowers see the true cost of a loan, compare offers from different lenders, and evaluate strategies like extra payments or refinancing to save thousands in interest.

Popular Use Cases

Mortgage Comparison

Compare 15-year vs 30-year mortgage options to see how term length affects monthly payments and total interest paid.

Car Loan Planning

Determine affordable monthly payments for a vehicle purchase and see how a larger down payment reduces total cost.

Personal Loan Analysis

Evaluate personal loan offers with different rates and terms to find the option with the lowest total cost.

Refinancing Decisions

Calculate potential savings from refinancing an existing loan at a lower rate, factoring in closing costs and remaining term.

Loan Tips

Make Extra Payments

Even small additional monthly payments toward principal can shave years off your loan and save thousands in interest.

Choose Shorter Terms

A 15-year mortgage has higher monthly payments than a 30-year but saves more than half the total interest over the life of the loan.

Shop Multiple Lenders

A difference of 0.25% in interest rate on a $300,000 mortgage saves over $15,000 in total interest. Always compare offers.

Consider Total Cost

Low monthly payments from long terms are appealing but dramatically increase total interest paid. Always check the full cost.

Loan Term Comparison ($200,000 at 6%)

Loan Term Comparison ($200,000 at 6%)
TermMonthly PaymentTotal InterestTotal Paid
5 Years$3,867$31,994$231,994
10 Years$2,220$66,449$266,449
15 Years$1,688$103,788$303,788
20 Years$1,433$143,887$343,887
30 Years$1,199$231,676$431,676

Frequently Asked Questions

How is the monthly payment calculated?
Monthly payments are calculated using the standard amortization formula: M = P[r(1+r)^n]/[(1+r)^n-1], where P is the principal, r is the monthly interest rate, and n is the total number of payments. This ensures equal monthly payments over the loan term.
What is an amortization schedule?
An amortization schedule shows how each monthly payment is split between principal and interest over the life of the loan. Early payments go mostly to interest, while later payments go mostly to principal.
Is my financial data safe?
Yes. All calculations happen locally in your browser. No financial information is sent to any server or stored anywhere.

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