Balloon Mortgage Calculator - Calculate Balloon Payment & Refinancing
Free balloon mortgage calculator to calculate monthly payments, balloon payment amount, and refinancing requirements. Compare with traditional mortgages for your home financing decisions.
Last updated: December 15, 2024
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A large balloon payment will be due at the end of the balloon term. You must refinance or pay the full amount.
Balloon Mortgage Calculator Types & Features
Balloon payment calculation
Remaining Principal Balance
Calculates the large payment due at the end of the balloon term
Monthly payment calculation
Lower Monthly Payments
Shows reduced monthly payments during the balloon term
Refinancing analysis
Refinancing Required
Determines when and how much refinancing will be needed
Comparison analysis
Side-by-Side Comparison
Shows monthly payment differences and total cost comparisons
Amortization schedule
Payment Breakdown
Shows principal and interest breakdown for each payment
Risk assessment
Risk Analysis
Evaluates refinancing, balloon, and interest rate risks
Quick Example Result
For a $300,000 loan at 4.5% interest with a 5-year balloon term:
Monthly Payment
$1,520.06
Balloon Payment
$271,126.18
How Our Balloon Mortgage Calculator Works
Our balloon mortgage calculator uses standard loan amortization formulas to calculate monthly payments, balloon payment amounts, and refinancing requirements. The calculation considersmortgage financing principles to help you understand the true cost and risks of balloon mortgages.
Balloon Mortgage Structure
Monthly Payment = P × [r(1+r)^n] / [(1+r)^n - 1]
Balloon Payment = Remaining Principal Balance
Total Cost = Monthly Payments + Balloon Payment
Refinancing Required at Balloon Term End
Balloon mortgages use standard amortization formulas but require a large payment at the end of the term. The monthly payments are calculated as if the loan were for the full term, but only the balloon period is paid.
Shows the payment structure and balloon payment timing
Mathematical Foundation
Balloon mortgage calculations use the same PMT (Payment) formula as traditional mortgages, but with a key difference: the remaining balance becomes due as a balloon payment. The monthly payment is calculated based on the full loan term, but only the balloon period is actually paid before the large payment is due.
- Monthly payment calculated using full loan term amortization
- Balloon payment = remaining principal balance after balloon term
- Total interest = monthly payments × balloon term - principal paid
- Refinancing required unless balloon payment is paid in full
- Risk factors include interest rate changes and credit score changes
- Property value changes can affect refinancing options
Sources & References
- Consumer Financial Protection Bureau - Balloon Mortgages and Alternative Payment PlansOfficial guidance on balloon mortgage regulations and consumer protections
- Federal Housing Administration - FHA Balloon Mortgage GuidelinesFHA requirements and guidelines for balloon mortgages
- Freddie Mac - Balloon Mortgage Products and GuidelinesIndustry standards and best practices for balloon mortgages
Need help with other mortgage planning? Check out our mortgage recast calculator and borrowing power calculator.
Get Custom Calculator for Your PlatformBalloon Mortgage Calculator Examples
Loan Details:
- Loan Amount: $400,000
- Interest Rate: 5.0% annually
- Full Loan Term: 30 years
- Balloon Term: 7 years
Calculation Steps:
- Calculate monthly rate: 5.0% ÷ 12 = 0.4167%
- Calculate monthly payment for 30-year term: $2,147.29
- Calculate remaining balance after 7 years: $355,847.23
- Balloon payment = $355,847.23
Result: Monthly Payment = $2,147.29, Balloon Payment = $355,847.23
Total payments over 7 years: $180,252.36 + $355,847.23 = $536,099.59
5-Year Balloon Example
$300,000 at 4.5% for 5 years
Monthly: $1,520.06, Balloon: $271,126.18
10-Year Balloon Example
$500,000 at 4.0% for 10 years
Monthly: $2,387.08, Balloon: $386,512.15
Frequently Asked Questions
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