Debt Repayment Calculator
Calculate your debt payoff timeline and see how much interest you'll pay
1. Loan Calculator
Calculates monthly payments, total interest, and amortization schedule for installment loans.
Inputs:
Loan amount ($)
Interest rate (APR %)
Loan term (years/months)
Start date (optional)
Outputs:
Monthly payment
Total interest paid
Total repayment amount
Amortization schedule
Formula:
Monthly Payment = P × (r(1+r)^n)/((1+r)^n-1)
Where:
P = Principal, r = monthly interest rate, n = number of payments
2. Credit Card Payoff Calculator
Calculates payoff time and interest costs for credit card debt.
Inputs:
Current balance
APR
Monthly payment amount (or target payoff date)
Outputs:
Payoff timeline
Total interest
Recommended payment to pay off by specific date
Special Features:
Minimum payment warning
Snowball vs. avalanche method comparison
"What if" scenarios (extra payments, balance transfers)
3. Debt Consolidation Calculator
Compares current debts vs. consolidation loan options.
Inputs:
Current debts (balances, rates, payments)
Proposed consolidation loan terms
Outputs:
Monthly payment comparison
Interest savings
Payoff time difference
4. Debt-to-Income (DTI) Calculator
Calculates critical ratio used by lenders.
Formula:
DTI = (Total Monthly Debt Payments)/(Gross Monthly Income)
nterpretation:
<36%: Ideal
36-43%: Acceptable
43%: May limit borrowing options
5. Debt Snowball/Avalanche Planner
Optimizes payoff strategy across multiple debts.
Input Options:
Manual entry of all debts
Import from credit report
Custom payment allocation
Visual Outputs:
Payoff timeline
Interest savings comparison
Cash flow impact
6. Business Debt Calculator
For commercial loans and business financing.
Special Features:
Cash flow analysis
Tax shield calculations
Balloon payment options
Implementation Options
Web Version Features:
Interactive sliders
Printable reports
Save/load scenarios
Mobile-responsive design
Excel Template Includes:
All calculator types
Dynamic charts
Scenario comparison tabs
Advanced Features:
API connections to credit bureaus
Account aggregation
Personalized recommendations
Why This Calculator Stands Out
Comprehensive - Covers all major debt scenarios
Actionable - Provides specific payoff strategies
Visual - Clear charts and progress tracking
Flexible - Handles both consumer and business debt
Would you like me to:
Provide JavaScript code for a specific module?
Create an Excel template with these calculators?
Design a user interface mockup?
Explain any calculation in more detail?