Monthly Debt Payment Calculator
Add up every debt payment you owe each month, or flip it around and find the exact payment you'd need to be debt-free by a target date.
Add Up Your Debts
Goal-Seek: What Payment Do I Need?
Enter your total remaining balance and a target payoff timeline to find the exact monthly payment required.
Two different questions, two different numbers
"How much do I currently pay toward debt each month?" and "How much would I need to pay to be debt-free by a certain date?" are two distinct questions that people often confuse. This calculator answers both. The top section simply totals the required monthly payments across every debt you list — your real, current monthly debt obligation. The goal-seek section below it works backward from a target payoff date to tell you the (usually higher) payment required to actually eliminate a balance within that timeframe.
Why the goal-seek number is usually bigger
Minimum payments on revolving debt like credit cards are often set low on purpose — sometimes just 1-3% of the balance — which is why balances can take decades to clear at the minimum (see the Minimum Payment Calculator for a stark example). Setting a specific goal date and solving for the payment shows you the realistic amount required to hit that goal, accounting for interest that continues to accrue on the unpaid balance.
where r = monthly interest rate, n = number of months to target payoff
Fitting debt payments into your budget
- Total everything first — many people underestimate their real monthly debt load until they add every payment up in one place.
- Compare against income using the Debt-to-Income Calculator to see whether your obligations are within a healthy range.
- Set a realistic goal date — an aggressive timeline may produce a required payment that doesn't fit your budget; try extending the timeline in the goal-seek tool.
- Revisit the numbers every few months, especially after paying off any individual debt.
Frequently Asked Questions
Any recurring required payment on borrowed money counts: credit card minimums, auto loans, personal loans, student loans, medical payment plans, and similar obligations. Regular household bills like utilities, insurance, or subscriptions are not debt payments.
Your current monthly debt total is simply the sum of what you are required to pay across all debts today. A goal-seek payment is a different, usually larger number: the payment you would need to make every month to have a specific total balance fully paid off by a target date.
Many financial planners suggest keeping total monthly debt payments (excluding a mortgage) under roughly 15-20% of take-home pay, and total debt-to-income, including housing, under 36%. Use the Debt-to-Income Calculator to check your exact ratio.
Shorter payoff timelines require significantly higher monthly payments because less time is available for the balance to shrink and interest keeps accruing on the outstanding amount. Try extending the target number of months to see the payment come down.