Debt Freedom Calculator

See how a fixed payment changes the payoff

Debt Freedom estimates the time and interest needed to repay one balance under a simple monthly model. It is useful for comparing payment scenarios on the same debt. It does not combine several creditors or calculate a debt snowball or avalanche.

Choose inputs that match your situation

Start with a current balance

Use the amount owed for the debt you want to model, rather than its original borrowed amount. Do not include unrelated debts with different rates as though they share one APR.

Enter the percentage, not a decimal rate

For an 18% APR, enter 18. The model divides that percentage by 1,200 to obtain the monthly decimal rate. Use the rate relevant to the balance; fees and changing promotional rates are outside the calculation.

Choose a payment that remains fixed

The entered payment repeats monthly until the final smaller payment. It is not a formula for a lender’s changing minimum payment. Keep the base payment fixed and enter the increase separately in Extra monthly payment. Both scenarios use the same balance and APR.

How the results are calculated

For each month, interest = remaining balance × APR ÷ 1,200. The model adds that interest, then subtracts the smaller of the fixed payment or the amount now owed. It repeats until the balance reaches zero or 1,200 months. Total repayment = starting balance + accumulated interest. If a payment does not exceed the initial monthly interest, no complete payoff estimate is shown. The comparison runs this model twice: once with the base payment and once with base + extra. Interest reduction is base interest minus combined-payment interest; months earlier is base months minus combined-payment months. A difference is shown only when both paths repay within the limit.

Worked examples you can try

The starting $10,000 debt

At 18% APR and $350 monthly, the model estimates 38 months, $3,156.02 interest and $13,156.02 total repayment. First-month interest is $150, so $200 of the first payment reduces the balance.

Increase the payment to $450

Keep the base payment at $350 and enter $100 as the extra amount. At the same balance and APR, the combined $450 payment estimates 28 months and $2,255.56 interest. Compared with $350 monthly, that is ten fewer modeled months and $900.47 less interest (using unrounded results). These are calculation examples, not a recommendation about what you can afford.

A zero-interest balance

A $1,200 balance at 0% APR and $100 monthly takes twelve modeled months, with no interest and $1,200 total repayment. A promotional rate that expires would need a different model.

Read the result with its assumptions

The donut separates original balance from modeled interest. It is a repayment breakdown, not a chart of how much has already been paid. The final payment can be smaller than the regular amount; months × regular payment may therefore exceed the total.

The model excludes new purchases, late fees, changing APRs, daily interest, payment-date differences and lender-specific repayment rules. It does not represent every loan type. The CFPB’s explanation of credit-card interest describes daily-balance calculations that can differ from this monthly approach.

If the model cannot pay the balance off within 1,200 months, totals are unavailable rather than presenting a partial calculation as a complete payoff. A lender’s statement or payoff quote remains the source for the actual account amount.