Debt & Loan Calculators

Everything you need to build a payoff plan and watch the balance fall. Start with the free spreadsheet for the full picture across every debt, or grab a single calculator below for a quick answer.

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Free Debt Payoff Spreadsheet

A month-by-month engine that plans snowball and avalanche across up to 10 debts – 46,237 live formulas, cross-checked, zero errors. It gives you a debt-free date and the interest gap between strategies.

Try the debt payoff calculator →
Debt Payoff Calculator
Months and total interest for a single balance
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Debt Snowball Calculator
Smallest balance first for quick wins
Coming soon
Debt Avalanche Calculator
Highest APR first to save the most interest
Coming soon
Credit Card Payoff Calculator
See what beating the minimum really does
Coming soon
Debt-Free Date Calculator
The exact month you hit zero
Coming soon
Extra Payment Calculator
What an extra amount each month saves
Coming soon
Minimum Payment Calculator
Your minimum, and its true cost
Coming soon
Interest Savings Calculator
Compare two payoff strategies
Coming soon
Debt Consolidation Calculator
One loan versus many, the real math
Coming soon
Balance Transfer Calculator
Fee versus interest saved on a 0% offer
Coming soon
Debt-to-Income Ratio Calculator
The number lenders look at
Coming soon
Loan Payoff Calculator
Any fixed loan, any extra payment
Coming soon
Budget Calculator
Plan the payment before you commit
Coming soon

About these calculators

Each tool runs instantly in your browser, shows its formula in plain language, and is tested against known values before it goes live. Debt is a Your-Money-Your-Life topic, so every result is an estimate for general information only – not financial or tax advice.

New here? The Debt Payoff Calculator is the fastest way to see your Zero Day – the month your last balance hits zero.