Debt Consolidation Calculator

The debt consolidation calculator compares several existing debts with one proposed replacement loan. It is designed for the question borrowers often face before accepting a consolidation offer: will the new loan actually improve my situation, or does it only make the monthly payment look smaller? Enter the balances, APRs, and payments for up to three current debts, then enter the new loan’s APR, term, upfront fee, and financed fee. The result shows monthly payment change, payoff time, interest difference, total cost difference, and the weighted current APR.

This calculator is different from the debt snowball calculator and debt avalanche calculator. Snowball and avalanche keep original debts open and redirect payments in a chosen order. Consolidation replaces them with a new loan. For a broader four-way comparison, use the debt calculator. For a single balance, use the debt payoff calculator. For generic loan payment details, use the loan calculator or loan payment calculator.

Strategy behind consolidation

Debt consolidation can help in two main ways. First, it can simplify several payment dates into one. Second, it can reduce cost if the new APR and term are strong enough to overcome any fees. The risk is that a lower monthly payment often comes from stretching the debt over more months. That can ease cash flow while increasing total interest. The calculator highlights that tradeoff by separating monthly savings from total cost savings.

For current debts, the calculator amortizes each balance separately. It adds monthly interest, subtracts the entered payment, and repeats until that debt reaches zero. It totals the interest across all current debts and uses the longest individual payoff time as the current payoff time. For the proposed consolidation loan, it adds any financed fee to the combined balance and calculates a fixed payment over the entered term. Any upfront fee is paid outside the loan and is included in the total cost comparison.

Formula

For a fixed-rate consolidation loan, the monthly payment is:

$\text{payment} = \frac{P \times r}{1 - \left(1 + r\right)^{-n}}$

where:

Monthly savings are:

$\text{monthly savings} = \text{current monthly payments} - \text{new monthly payment}$

Total cost savings are:

$\text{total cost savings} = \text{current total paid} - \text{consolidation total paid}$

Example: comparing consolidation costs

Use the defaults. Debt one is USD 7,000 at 4.5 percent APR with a USD 120 payment. Debt two is USD 5,800 at 6.2 percent APR with a USD 100 payment. Debt three is USD 4,900 at 5.8 percent APR with a USD 100 payment. Current balances total USD 17,700, and current payments total USD 320 per month.

The proposed consolidation loan has a 7.2 percent APR, an 84-month term, no upfront fee, and no financed fee. The current debts amortize in a maximum of 70 months and generate about USD 2,731.82 of total interest. The weighted current APR is about 5.42 percent. The consolidation loan payment is about USD 268.87, which creates estimated monthly savings of about USD 51.13. However, the consolidation interest is about USD 4,885.44, and the total cost is about USD 22,585.44. Compared with the current total paid of about USD 20,431.82, the consolidation loan costs about USD 2,153.62 more overall.

That example shows the central consolidation tradeoff. The new payment is easier on monthly cash flow, but the longer term and higher APR increase total cost. If the same borrower could qualify for a lower APR, choose a shorter term, or keep paying more than the required new payment, the conclusion could change.

Snowball versus avalanche versus consolidation

Snowball and avalanche are payoff-order strategies. They usually work best when you can keep paying the same total amount and want to decide where extra dollars should go. Snowball gives priority to smallest balances. Avalanche gives priority to highest APRs. Consolidation is a refinancing structure. It can be useful when it lowers the APR, prevents missed payments, or makes the plan manageable, but it can be expensive when it merely stretches repayment.

The right comparison is not “lower payment equals better.” It is “what happens to monthly cash flow, payoff time, interest, fees, and behavior?” A consolidation loan can fail if paid-off credit cards are used again. A snowball or avalanche plan can fail if the payment is too aggressive for the budget. Run all relevant scenarios before choosing.

Tips before consolidating

• Compare total cost, not just the next monthly payment.
• Put every fee in the correct field. Financed fees accrue interest; upfront fees do not.
• Check whether the new APR is fixed or variable.
• Avoid using the old accounts for new purchases after consolidation.
• If cash-flow relief is the goal, decide whether the higher total cost is worth the breathing room.

Brief informational note

This calculator is an educational estimate, not a loan offer or credit approval. Actual lenders may use daily interest, different fee structures, credit insurance, prepayment rules, or underwriting conditions. If a consolidation company promises guaranteed savings or asks for suspicious upfront payments, verify the offer through official consumer resources.

Sources

• CFPB, Ask CFPB: credit card debt consolidation — consumer guidance on consolidation offers and tradeoffs.
• CFPB, Credit cards — background on credit card repayment and costs.
• FTC, ReportFraud.ftc.gov — official FTC portal for reporting suspected debt relief scams.