Tired of keeping track of multiple loan and credit payments every month? This calculator helps you see whether combining them into a single loan actually makes financial sense. Just enter the details of your current debts and the consolidation loan you're considering, and you'll get a clear picture of whether you'll save money, lower your monthly payments, or simply end up paying for a longer period.
Rolling several balances into a single loan sounds simple, but the only way to know if it actually helps is to run the numbers. A debt consolidation calculator compares what you owe now, spread across cards and loans at different rates, against one new loan with a single rate and payment. You enter your balances, current rates, and the new loan terms you've been offered, and the tool shows whether consolidating saves you money or quietly costs more. With credit cards averaging around 24% in 2026 and good-credit consolidation loans near 19%, the gap can mean real savings or none at all. This debt consolidation calculator turns that decision into a clear dollar figure.
This debt consolidation calculator is built to answer one honest question: will combining your debts actually leave you better off? Rather than assuming consolidation is always smart, it pits your existing debts against a proposed single loan and shows the truth in dollars. You list each current balance with its rate and payment, then enter the new loan's rate, term, and any origination fee. The tool calculates your blended current interest cost and compares it to the new loan's total cost, factoring in the longer or shorter timeline. It reveals monthly payment change, total interest difference, and a new payoff date. Designed for US borrowers consolidating credit cards, personal loans, or medical debt, it works in dollars and accounts for the fees that can erase apparent savings.
List each debt you want to consolidate, entering its balance, interest rate, and current monthly payment.
Enter the new consolidation loan's interest rate as quoted by your lender.
Input the new loan's repayment term in months or years.
Add any origination fee, often 1% to 8% of the loan amount.
Click calculate to compare your current path against the consolidated loan.
Review the monthly payment change, total interest difference, and new payoff date side by side.
The calculator first totals your existing balances and computes your current blended cost by applying each debt's rate to its balance, then simulating payoff at your current payments. For the new loan, it adds any origination fee to your total balance, then uses the standard loan payment formula: payment = principal × r ÷ (1 − (1 + r)^−n), where r is the monthly rate (annual rate ÷ 12) and n is the number of months. It sums every payment on the new loan to find total interest paid, then subtracts that from your current path's total interest. The difference is your savings, or your added cost. Comparing both timelines reveals whether a lower rate is being offset by a longer term.
Here's what the math usually reveals. Consolidation tends to win when your new rate is meaningfully lower than your blended current rate and you keep the term short. Moving $15,000 of credit card debt at 24% into a 19% loan saves interest, but only if you don't stretch repayment from three years to seven. That's the trap: a lower monthly payment can feel like progress while total interest climbs because you're paying for far longer. Consolidation backfires when the rate barely improves, when origination fees eat the savings, or when you free up the old cards and run them back up. It also does nothing to fix the spending pattern that created the debt. Run your real quote through the calculator before signing anything.
Consolidating isn't a single product, and the right tool depends on your balances and credit. A fixed-rate consolidation loan suits larger balances you'll need a few years to clear, giving you a predictable payment. A 0% balance transfer card can beat any loan if you can clear the balance inside the promotional window, though transfer fees of 3% to 5% apply and the rate jumps afterward. Home equity options offer the lowest rates but put your house at risk, so they belong in a separate category of caution. Nonprofit credit counseling, through a debt management plan, can lower rates without a new loan and suits borrowers who don't qualify for good terms. The calculator focuses on the loan path, but knowing the alternatives helps you pick the cheapest route.
The rate you plug in isn't random; it tracks your credit tier closely. In 2026, borrowers with excellent credit see consolidation rates near 14.5%, good credit lands around 19%, and fair credit climbs past 22%. That spread matters enormously: on a $20,000 loan, the difference between 14% and 22% is thousands of dollars. Before applying, pull your credit reports and prequalify with multiple lenders, since prequalification uses a soft inquiry that won't ding your score. If your score sits just below a tier break, a few months of on-time payments and lower card balances can bump you into better pricing. The calculator only saves you money if the rate you enter is one you can actually qualify for.
Marcus owes $8,000 on a card at 24%, $5,000 on another at 21%, and $4,000 on a personal loan at 16%, with combined minimums around $510 a month. His blended rate is roughly 21%. He qualifies for a $17,000 consolidation loan at 18% over 4 years with a 3% origination fee ($510), making the principal $17,510. His new payment is about $411 a month, saving roughly $99 monthly, and his total interest drops by around $1,400 versus his current trajectory, provided he stops using the cards.
Dana owes $12,000 across two cards averaging 23%. She's offered a $12,000 loan at 20% but stretched over 7 years with a 5% fee ($600). Her monthly payment falls from about $360 to $283, which feels great, but the calculator shows total interest rising by nearly $3,200 because of the longer term and fee. Seeing this, she chooses a 3-year loan instead, accepting a higher payment to actually save money.
Compare total interest, not just the monthly payment, since a lower payment over a longer term often costs more.
Prequalify with several lenders using soft credit checks before committing, so you see your real rate without score damage.
Factor the origination fee into the loan amount; a 5% fee on $20,000 adds $1,000 of principal you'll pay interest on.
Keep the repayment term as short as your budget allows to maximize interest savings.
Stop using the cards you pay off, or close them only after weighing the small credit-utilization impact.
Treat consolidation as one step, not a cure; pair it with a budget so the debt doesn't return.
A debt consolidation calculator compares your current debts against a single new loan to show whether consolidating saves money. It calculates your new monthly payment, total interest difference, and payoff date so you can decide with real numbers.
It saves money only when the new rate is lower than your blended current rate and the term isn't stretched too long. A lower monthly payment can still cost more overall if you extend repayment by years.
Applying triggers a small temporary dip from the hard inquiry, but paying down balances often lowers your utilization and helps over time. Closing old cards can slightly raise utilization, so weigh that first.
There's no fixed minimum, but better scores unlock lower rates. In 2026, excellent-credit borrowers see rates near 14.5% while fair-credit borrowers pay over 22%, so your score directly shapes the savings.
A 0% balance transfer beats a loan if you can repay within the promotional window, despite the 3% to 5% transfer fee. For larger balances needing several years, a fixed-rate consolidation loan is usually more practical.
Yes, always. Origination fees of 1% to 8% are added to your loan principal, so you pay interest on them. Ignoring the fee makes consolidation look cheaper than it really is.
Brief disclaimer: This calculator provides estimates for educational and planning purposes only. Actual loan rates, terms, and savings depend on your credit profile, lender, and full financial picture. Results should be treated as planning guidance rather than financial advice.