Loan Calculator

Calculate loan payments, interest, and amortization schedule with our comprehensive loan calculator

Loan Options

Loan Details

Additional Costs (Annual)

Monthly Payment
$0.00
Including taxes & insurance
Total Payment
$0.00
Over 0.0 years
Total Interest
$0.00
0.00% of principal
Principal Amount
$100,000.00
After down payment

Payment Breakdown (monthly)

Principal & Interest: $0.00
Property Tax: $0.00
Insurance: $0.00
PMI: $0.00
Total Monthly: $0.00

Loan Comparison

15-Year Loan
7.50% APR
Monthly: $927.01
Total Interest: $66,862.22
30-Year Loan
7.50% APR (Current)
Monthly: $0.00
Total Interest: $0.00
Loan Calculation Info

All calculations are estimates based on the information provided. Actual loan terms may vary based on lender requirements, credit score, and market conditions.

How to Use the Loan Calculator Tool

Our comprehensive loan calculator is designed to help you understand all aspects of your loan, from basic mortgage calculations to complex scenarios involving different loan types, payment frequencies, and additional costs. This tool goes beyond simple loan calculators by providing detailed amortization schedules, payment breakdowns, and comparison features.

What This Calculator Does

This loan calculator serves multiple purposes:

  • Payment Calculation: Determines your regular payment amount based on loan amount, interest rate, and term
  • Total Cost Analysis: Shows the total amount you'll pay over the life of the loan, including all interest
  • Amortization Schedule: Provides a detailed breakdown of each payment showing principal, interest, and remaining balance
  • Additional Cost Integration: Includes property taxes, insurance, PMI, and loan fees in calculations
  • Loan Comparison: Compares different loan terms to help you make informed decisions
  • Extra Payment Analysis: Shows how additional payments can reduce total interest and loan term

Understanding Loan Types

Fixed Rate Loans

Fixed rate loans maintain the same interest rate throughout the entire loan term. This provides predictable payments and protection against interest rate increases. Most traditional mortgages are fixed rate loans.

Adjustable Rate Mortgages (ARMs)

ARMs start with a fixed interest rate for an initial period (typically 3, 5, 7, or 10 years), then adjust based on market conditions. These can offer lower initial payments but carry the risk of payment increases when rates adjust. Note: This calculator treats ARMs as fixed rate for calculation purposes.

Balloon Loans

Balloon loans have regular payments for most of the term, but end with a large "balloon" payment of the remaining principal. These are often used in commercial lending or when borrowers expect to refinance or sell before the balloon payment is due.

Interest-Only Loans

Interest-only loans require payments of only the interest portion for a specified period, typically 5-10 years. After this period, payments increase significantly to include principal. The final payment includes the entire remaining principal balance. These loans offer lower initial payments but don't build equity during the interest-only period.

Payment Frequency Options

The calculator supports various payment frequencies, each affecting your loan differently:

Weekly (52 payments/year)

Pays off loans faster due to more frequent payments, reducing total interest paid.

Bi-weekly (26 payments/year)

Equivalent to one extra monthly payment per year, accelerating payoff.

Monthly (12 payments/year)

Standard payment frequency for most loans and mortgages.

Quarterly (4 payments/year)

Less frequent payments, higher payment amounts, more interest paid over time.

Annually (1 payment/year)

Least frequent option, results in highest total interest due to compound interest effects.

Compounding Frequency Explained

Compounding frequency determines how often interest is calculated and added to your loan balance:

  • Daily: Interest calculated every day - most common for mortgages
  • Monthly: Interest calculated monthly - common for many consumer loans
  • Quarterly: Interest calculated every three months - less common
  • Annually: Interest calculated once per year - least common, results in lower effective rate

More frequent compounding means you pay more interest over the life of the loan. The calculator uses effective rate calculations to ensure accuracy across different compounding and payment frequencies.

Using the Calculator: Step by Step

Step 1: Basic Loan Information

  • • Enter your total loan amount (the amount you're borrowing)
  • • Specify down payment amount (reduces the principal you'll pay interest on)
  • • Set your interest rate (APR - annual percentage rate)
  • • Choose loan term (15, 20, 25, or 30 years)
  • • Select loan type based on your needs

Step 2: Payment Preferences

  • • Choose payment frequency (how often you'll make payments)
  • • Select compounding frequency (how interest is calculated)
  • • Add extra payment amount if you want to pay more than required
  • • Set loan start date for accurate schedule generation

Step 3: Additional Costs

  • • Property Tax: Annual property taxes (varies by location)
  • • Insurance: Homeowner's insurance premium
  • • PMI: Private Mortgage Insurance (typically required with <20% down payment)
  • • Loan Fees: Closing costs, origination fees, etc.

Step 4: Calculate and Analyze

  • • Click "Calculate Loan" to generate results
  • • Review monthly payment breakdown
  • • Examine amortization schedule
  • • Use comparison tools for different scenarios
  • • Adjust inputs to see how changes affect costs

Understanding Your Results

Summary Cards

The four main cards show:

  • Monthly Payment: Total amount due each payment period (includes principal, interest, taxes, insurance, PMI)
  • Total Payment: Sum of all payments over the loan life plus additional costs
  • Total Interest: Total interest paid over the loan term
  • Principal Amount: Amount being financed after down payment

Payment Breakdown

This section shows exactly where your money goes each payment:

  • • Principal & Interest: Amount reducing your loan balance
  • • Property Tax: Portion allocated to annual property taxes
  • • Insurance: Homeowner's insurance portion
  • • PMI: Private Mortgage Insurance (if applicable)
  • • Extra Payment: Additional amount reducing principal faster

Amortization Schedule

The schedule shows the first 12 payments in detail:

  • • Period: Payment number in the loan term
  • • Payment: Total amount paid that period
  • • Principal: Portion reducing loan balance
  • • Interest: Interest charged that period
  • • Balance: Remaining loan balance after payment

Early in the loan, most of each payment goes to interest. As the loan progresses, more goes to principal reduction.

Tips for Using the Calculator Effectively

For Home Buyers

  • • Include realistic estimates for property taxes and insurance
  • • Factor in PMI if your down payment is less than 20%
  • • Compare 15-year vs 30-year terms to see long-term savings
  • • Consider how extra payments could shorten your loan term
  • • Use the comparison feature to evaluate different interest rates

For Refinancing

  • • Calculate break-even point for closing costs
  • • Compare current loan vs refinance options
  • • Factor in all closing costs and fees
  • • Consider how long you'll stay in the home
  • • Evaluate different rate and term combinations

Important Considerations and Limitations

Calculator Limitations

  • • Results are estimates - actual loan terms may vary
  • • Does not account for potential rate adjustments on ARM loans
  • • Property tax and insurance estimates may not reflect actual costs
  • • PMI requirements and rates can vary by lender and loan-to-value ratio
  • • Does not include potential tax deductions or credits
  • • Closing costs and fees are estimates - get actual quotes from lenders

Frequently Asked Questions

Why does my monthly payment include taxes and insurance?

Many lenders collect taxes and insurance as part of your monthly payment and hold them in escrow. The calculator includes these to show your true monthly housing cost.

How does extra payment help?

Extra payments go directly toward principal reduction, which means less interest over time and potentially early loan payoff. Even small extra payments can significantly reduce total interest paid.

What's the difference between APR and interest rate?

The interest rate is the base rate for borrowing money, while APR (Annual Percentage Rate) includes the interest rate plus other loan costs like origination fees, making it a more complete picture of the loan's true cost.

Why consider bi-weekly payments?

Bi-weekly payments result in 26 half-payments per year (equivalent to 13 full monthly payments), which can reduce your loan term by several years and save thousands in interest.

When should I use an interest-only loan?

Interest-only loans are best for borrowers who expect significant income increases, plan to sell before the interest-only period ends, or want to maximize cash flow for other investments. They're generally not recommended for first-time homebuyers due to the payment shock when principal payments begin.

Remember: This calculator provides estimates to help you understand loan costs and compare options. Always consult with qualified mortgage professionals and financial advisors for personalized advice based on your specific situation. Loan terms, rates, and requirements can vary significantly between lenders and individual circumstances.