Pay highest interest first. Minimizes total interest paid.
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Debt
Balance
Rate
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Payment schedule
Month-by-month breakdown for both strategies.
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Add debts on the Calculate tab to generate a schedule.
Month
Payment
To interest
Balance left
📅
Add debts on the Calculate tab to generate a schedule.
Month
Payment
To interest
Balance left
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System Refactoring: Eliminating Financial Technical Debt
High-interest debt is “Financial Technical Debt.” Just like messy code slows down a developer’s velocity, debt interest slows down your life’s wealth-building velocity. Every dollar spent on interest is a dollar that cannot be used for investing or “Safe to Spend” enjoyment. This calculator helps you map out a Deprioritization Plan to clear your ledger and reclaim your cash flow.
Avalanche vs. Snowball: Choosing Your Algorithm
There are two primary “algorithms” for debt elimination:
The Avalanche (Efficiency): Pay off the highest interest rate first. This is mathematically optimal and saves the most money.
The Snowball (Psychology): Pay off the smallest balance first. This provides quick “wins” and boosts dopamine, making it easier to stick to the plan.
Choose the algorithm that matches your temperament, not just the math. A plan you finish is better than an “optimal” plan you quit.
Market Update
2026 Market Pulse: The Credit Crunch
Credit card APRs have hit historic highs in 2026, with the national average exceeding 22%. Carrying a balance in this environment is a state of financial emergency. If you are paying 20%+ in interest, you are in a “negative compounding” loop. The goal of this tool is to help you find the shortest path back to a Zero-Interest Baseline.
About this calculator
Part of the TheMoneySheet suite • themoneysheet.com
Our mission: Give everyone a clear, honest plan to become debt-free — without requiring a bank login, subscription, or financial expertise.
Two methods, one answer
The Debt Snowball and Debt Avalanche are the two most proven payoff strategies. Both work by focusing extra payments on one debt at a time, rolling the freed-up payment to the next debt when it's gone.
The difference is which debt you attack first: Snowball targets the smallest balance (quick wins, psychological momentum). Avalanche targets the highest interest rate (minimizes total interest paid).
The math
Each month: interest = balance × (APR ÷ 12)
Principal paid = payment − interest
When debt is cleared → roll its payment to next target
Research shows the Snowball method increases likelihood of becoming debt-free due to the psychological benefit of early wins. The Avalanche typically saves $1,000–$5,000 more in interest for borrowers with varied APRs.
Privacy
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Privacy Policy
Effective date: January 1, 2025 • Last updated: April 2026
Short version: We collect no personal data. Your financial inputs are stored only in your own browser's local storage and never transmitted to our servers or any third party.
1. Information we collect
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Effective date: January 1, 2025 • Last updated: April 2026
Plain English summary: This is a free calculator tool. It is not financial advice. We provide it as-is and are not liable for financial decisions you make.
1. Not financial advice
The Calculator is an informational tool only. Its output does not constitute financial advice. Consult a licensed financial advisor for advice specific to your situation.
2. No warranty
The Calculator is provided "as is" without warranty of any kind.
Effective date: January 1, 2025 • Last updated: April 2026
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Affiliate commissions do not influence our recommendations. The core calculator functionality is and will remain completely free.
