Fixed Amortization & Payment Modeling
Loan Payment & Amortization Calculator
Calculate monthly payments, total interest costs, and full amortization schedules for personal loans, auto loans, and mortgages. See how extra principal cuts years off your debt.
Loan Type Preset
Choose a product to populate realistic market defaults
$15,000
$
11.99% APR
%
3 Years (36 Months)
+$50/mo
Annual Amortization Breakdown
Inspect year-by-year principal reduction and interest decay
Payment Analysis HUDFIXED RATE
Estimated Monthly Payment
$498/mo
With +$50/mo extra: $548/mo
Total Interest Paid
$2,611
Total Lifetime Cost
$17,611
⚡ Acceleration Impact
Paying +$50/mo saves $323 in interest and eliminates your loan 3 months early!
Rate Shopping Insight
A 2% drop in APR can save you hundreds or thousands in interest charges. Compare multiple pre-qualified loan offers to secure your lowest rate with zero credit score impact.
⚠️ Loan Estimate Note: Monthly payment calculations do not include lender origination fees, closing costs, property taxes, homeowner insurance, or private mortgage insurance (PMI) which may apply to mortgage and real estate loans. Actual APR offered is determined by lender underwriting, credit score, and debt-to-income ratio.