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  4. /Loan Payment Calculator

Loan Payment Calculator

Last updated: February 20, 2026

Calculator

Results

Monthly Payment

$1,580.17

Total Payment

$568,861.22

Total Interest

$318,861.22

Average Monthly Interest

$885.73

Results

Monthly Payment

$1,580.17

Total Payment

$568,861.22

Total Interest

$318,861.22

Average Monthly Interest

$885.73

Use our free Loan Payment Calculator to determine your monthly loan payment, total payment, and total interest. Works for mortgages, auto loans, personal loans, and more.

Visual Analysis

How It Works

This calculator uses the standard amortization formula to compute your monthly payment:

M = P × [r(1+r)^n] / [(1+r)^n - 1]

Where:

  • M = Monthly payment
  • P = Principal (loan amount)
  • r = Monthly interest rate (annual rate / 12)
  • n = Total number of payments (years × 12)

Understanding Your Results

Your monthly payment is the fixed amount you pay each month. The total payment is the sum of all monthly payments over the loan term. The total interest is how much you pay in interest over the life of the loan.

Worked Examples

$250,000 Mortgage at 6.5%

Inputs

principal250000
annual rate6.5
years30

Results

monthly payment1580.17
total payment568861.22
total interest318861.22

A 30-year fixed mortgage at 6.5% results in a monthly payment of $1,580.17, with $318,861.22 paid in total interest.

$25,000 Auto Loan at 5%

Inputs

principal25000
annual rate5
years5

Results

monthly payment471.78
total payment28306.86
total interest3306.86

A 5-year auto loan at 5% interest has a monthly payment of $471.78.

Frequently Asked Questions

A fixed-rate loan has an interest rate that stays the same for the entire term of the loan, making your monthly payments predictable and constant.

You can lower your monthly payment by: (1) choosing a longer loan term, (2) making a larger down payment to reduce the principal, or (3) finding a lower interest rate.

No, this calculator only computes the principal and interest portion of your payment. Your actual monthly housing cost may be higher when you include property taxes, homeowner's insurance, and PMI.

Sources & Methodology

Standard loan amortization formula. See: Investopedia - Amortization.
R

Roboculator Team

The Roboculator Team explains calculations, planning tools, and practical formulas in clear language for real-life situations.

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