This debt consolidation calculator compares two payoff scenarios using the same monthly budget. One option keeps your current debts and uses the monthly payments you enter for each balance. The other option replaces those balances with one consolidation loan using the loan amount, APR, term, and origination fee you enter. After you calculate, it shows the estimated monthly payment, time to payoff, total interest, total amount paid, and the difference between the two options.
Debt Consolidation Calculator
Export
Your Debts
Balance, monthly payment, and APR
Consolidation Loan
Term and fee or points
| Existing debts | Consolidation loan | |
|---|---|---|
| Effective APR | ||
| Monthly payment | ||
| Time to payoff | ||
| Loan fee | $0.00 | |
| Upfront cash flow | $0.00 | |
| Total payments | ||
| Total interest |
View schedules
How to Calculate Debt Consolidation Loan Using This Calculator
Enter Your Debts in the Debt List –
Start by entering each balance you want to include in the comparison. Add one row per debt and fill in the balance, the monthly payment you currently make, and the APR for that specific debt. The calculator uses these entries to estimate how your current debts pay down over time, then combines them into a single payoff timeline so it can compare that timeline against a consolidation loan.
- Use Add debt if you have more than the visible rows.
- Enter your current balance, not the original amount.
- Enter the monthly payment you actually pay, not the minimum payment shown on a statement if you pay more than the minimum.
- Enter the APR on that debt, not the promotional rate unless it is still active.
- Leave rows blank if you do not need them. Blank rows are ignored.
Confirm Your Entries Are Valid Before Calculating –
Before moving on, make sure the debt inputs are complete enough for the calculator to run. At minimum, you need at least one debt with a balance greater than zero and at least one monthly payment amount. If the calculator cannot run, it shows a message near the top so you can fix the input without guessing.
- If you see a message like “Enter at least one debt balance greater than 0,” check that at least one balance field contains a number.
- If you see a message about monthly payments, confirm you entered monthly payments and that they are not zero.
- If your balance is entered but the payoff looks unrealistic, confirm the APR is not missing or accidentally typed as a very high number.
Review the Total Monthly Payment Budget –
After you enter monthly payments for your debts, check the “Total monthly budget” value shown under the debt list. This number is the total of the monthly payments you entered across your debts. The calculator uses that total as the spending level behind the comparison so the results focus on payoff time and total cost, not on changing how much you pay each month.
- This number updates based on the monthly payments entered in the debt rows.
- If the total looks wrong, recheck payments in each row for missing digits or extra zeros.
- If you plan to pay a different total each month in real life, run a second scenario using the payments you expect to make going forward.
Enter the Consolidation Loan Details –
Next, enter the consolidation loan details you want to compare against your existing debts. These fields describe the loan option and are used to calculate the loan’s monthly payment, total interest, and payoff time. To keep the comparison realistic, use the actual loan APR and term you are considering, not an estimated rate from an advertisement.
- Loan amount should generally match the debt you plan to pay off, unless you intentionally borrow more or less.
- APR should match the loan offer, including the rate type you expect to receive based on credit and eligibility.
- Term should reflect the full repayment length using the years and months fields.
- If you are not sure of term length, check the lender’s offer page or the loan disclosure and copy the exact term.
Add the Origination Fee and Fee Type if It Applies –
If the loan charges an origination fee, enter it and choose the correct fee type. This matters because fees change what you effectively receive from the loan, which can change the comparison even if the APR looks lower. The calculator accounts for fees by treating them as a cost that reduces the usable proceeds of the loan.
- If the lender charges a percentage fee, use the percent option and enter the percent value.
- If the fee is a flat amount, switch fee type to dollars and enter the dollar value.
- If net proceeds are lower than your total debt balance, the calculator reports additional cash needed to fully pay off the balances.
- If net proceeds are higher than your balances, the calculator reports the leftover amount after payoff.
Run the Calculation and Read the Summary Comparison –
Click the calculate button to generate the results. The calculator produces two parallel scenarios, one for keeping your debts and one for replacing them with the loan you entered. The summary table is the quickest view of whether consolidation changes your monthly payment, payoff time, and total cost.
- Effective APR on existing debts is an estimate based on your payoff stream and balances.
- Monthly payment in the existing debts scenario is your total of entered monthly payments.
- Monthly payment in the loan scenario is the amortized loan payment based on loan terms.
- Time to payoff shows how long each option takes in months and a years conversion.
- Total payments and total interest show the overall cost comparison.
Use the Savings and Payoff Difference Cards for a Fast Decision Check –
After the summary table, review the cards that show savings and payoff time difference. These numbers are designed to be quick to interpret, but they still depend completely on your inputs. If the result surprises you, the next step is to inspect charts and schedules to understand why.
- Savings in total payments shows whether consolidation reduces total cost.
- Payoff time difference shows whether consolidation speeds up or slows down payoff.
- Total debt balance confirms the debt amount being compared.
Interpret the Charts to Understand What Is Driving the Result –
Charts are useful when the totals feel close or when consolidation changes one metric but not another. The balance chart shows how fast the total debt goes down under each scenario, and the interest and principal chart shows how much of each payment goes toward interest versus balance reduction over time. This view makes it easier to see where the loan is saving cost or where the existing debts are paying down faster due to higher payments.
- A faster drop in total balance typically indicates quicker payoff.
- If the loan line drops slower, the loan term might be longer or the payment might be lower.
- If interest stays high early in the loan scenario, that is normal for amortized loans.
- If existing debts show slower progress, it usually means a higher combined rate or lower monthly payment total.
Read the Month-by-Month Schedules for Exact Detail –
Open the schedules to see the full month-by-month breakdown. The schedules show the monthly payment amount, how much of that payment goes to interest, how much goes to principal, and the remaining balance after the payment. This is the most detailed view and it is the best place to verify that the payoff behavior matches what you expect.
- Existing debts schedule is shown as one combined stream based on your entered debt list and payments.
- Consolidation loan schedule is a standard amortization schedule based on loan inputs.
- If your payoff takes a very long time, the schedule will show whether interest is consuming most of the payment.
- If payoff seems too fast, double-check that your monthly payments were not entered higher than intended.
Save Your Results by Exporting or Sharing –
Once you have a result you trust, save it so you can compare it later or review it with someone else. Export formats are useful for recordkeeping, and a share link is useful for reopening the calculator with the same inputs. Saving your scenario matters because small changes in APR, term, or monthly payments can noticeably change total cost.
- Export CSV if you want a simple file for spreadsheet review.
- Export Excel if you want to sort, filter, or run additional calculations.
- Export PDF if you want a print-friendly copy of the summary and schedules.
- Share link is best when you want to reopen the same inputs without retyping.
Re-Run a Second Scenario to Test Alternatives –
Debt consolidation decisions often depend on small details, so a second run is useful. After one run, adjust one variable at a time and calculate again. This gives you a realistic sense of which input has the biggest impact on payoff time and total cost.
- Try changing only the loan APR to see how rate affects total interest.
- Try changing only the term to see the tradeoff between monthly payment and total cost.
- Try increasing your monthly payments in the debt list to model a more aggressive payoff plan.
- Try removing any debt you would not include in consolidation to see a more accurate comparison.
Tips
- Run the calculator using the exact numbers from your statements or lender quote rather than rounded estimates, because even small differences in APR or balance can noticeably change total interest and payoff time.
- If the consolidation loan looks worse than expected, try adjusting only one input at a time, such as the loan term or APR, so you can clearly see which factor is driving the result.
- Use the same monthly payment total you realistically plan to pay, not the minimum you are required to pay, since the calculator compares outcomes based on how much you commit each month.
- Check the schedules if the summary results feel confusing, because the month-by-month breakdown often explains why one option costs more or takes longer.
- Pay close attention to origination fees when comparing options, since a lower APR loan can still cost more overall if the upfront fee significantly reduces net proceeds.
- Re-run the calculator after removing debts you would not include in consolidation, such as zero-interest balances or accounts close to payoff, to get a more accurate comparison.
Important
- Verify the inputs before trusting the output. A single wrong APR or a missing zero in a balance can swing the payoff time and total interest by a lot, so quick-check each row against your statements.
- Enter loan amount the way the lender defines it. Some lenders talk in terms of the full loan amount, while others focus on what you receive after fees. If your lender quotes both, use the full loan amount and enter the origination fee separately so the fee impact shows up correctly.
- Read the “Upfront cash flow” line carefully. A negative number means the loan proceeds are not enough to cover the debts you entered, so you would need extra money to finish the payoff. A positive number means you are borrowing more than your listed balances.
- Treat the effective APR as a comparison signal. It folds the fee into the cost so you can compare options more fairly, but it is not meant to replace the official APR shown on a lender disclosure.
- Use the schedules for a reality check. Look at the early months to see how much is going to interest versus principal, and look at the final months to confirm the payoff point matches what you expect.
- Results assume steady monthly payments. If you plan to pay extra in some months or expect gaps, re-run the calculation with a monthly payment that matches what you realistically expect to maintain.
FAQs
Use a loan amount that matches the total you actually plan to pay off, not what sounds round. If the lender is offering slightly more than your payoff total, run two versions, one using the exact payoff total and one using the offered amount, then watch how the fee and upfront cash flow change.
Enter the fee exactly as it is charged. If it is points, use the percent option. If it is a flat dollar fee, use the dollar option. If the offer includes both, you can run it twice and add them together into one dollar fee so you can see the combined impact on results.
Leave that debt in the debts list and keep its payment as you intend to pay it, but reduce the loan amount accordingly so it reflects only the balances you are consolidating. This is a practical way to compare a partial consolidation plan against your current approach.
Run separate scenarios. First, use today’s payments to see your baseline. Then run another version using the payment amounts you expect after your change, like once a promo ends or once your income changes. This gives you a realistic range, even though the calculator uses one steady set of inputs per run.
Use the current APR for one run, then do a second run with a higher APR to stress-test the comparison. If the consolidation loan is variable too, do the same for the loan APR. The goal is to see how stable the advantage is under less favorable rates.
Different calculators may handle rounding, month length assumptions, payoff ordering, and fee treatment differently. If you want to sanity-check, focus on whether the payment and interest trend is directionally similar, then rely on your lender’s final disclosure for the exact loan figures.
That usually happens when fees or a longer term offsets the interest savings. When you see that pattern, look closely at the origination fee and the payoff time. A small rate drop can be outweighed by fees or by stretching the balance over more months.
It means the loan amount minus fees does not fully cover the debts you entered. Practically, that gap must be covered by cash, a second source of funds, or by leaving some balance unpaid. If you are comparing loans, raising the loan amount to cover payoff is fine, but it may increase fees and total cost.
Not always. A lower payment can simply mean a longer payoff time, which can increase total cost even if the monthly number feels easier. Use the payoff time and total paid together so you do not accidentally trade short-term comfort for a much higher long-term total.
Use them for spot checks. Look at the first few months to confirm payments and interest look reasonable, then jump to around the middle to see how principal share changes, and finally scroll near the end to confirm the payoff month and that the ending balance reaches zero cleanly.
Keep your debts the same, then change only the loan fields and recalculate for each offer. Write down the monthly payment, payoff time, total paid, and upfront cash flow for each option. You will be able to compare offers cleanly because only the loan terms are changing.
