Debt Consolidation Calculator

Compare your existing debts with a consolidation loan to see if consolidating can reduce your interest, monthly payment, or payoff time.

Your Current Debts
$15,700· 17.22% wtd APR
$
$
%
$
$
%
$
$
%
3 debts$15,700 balance · $410/mo
Consolidation Loan
$
%
yr
mo

extra months

typically 1–8%

$

application fees, closing costs, etc.

What Is Debt Consolidation?

Debt consolidation combines multiple outstanding liabilities — credit cards, personal loans, medical bills, and other consumer debts — into a single new loan with one monthly payment. The primary goal is to simplify repayment while securing a lower interest rate, a smaller monthly obligation, or both. Instead of juggling several creditors, due dates, and minimum payments, you have one loan, one lender, and a clear payoff date. When done correctly, consolidation can save thousands of dollars and take years off your debt repayment timeline.

How Debt Consolidation Loans Work

You apply for a personal loan equal to your total existing debt balances. If approved, you use the proceeds to pay off each creditor. You then owe the consolidation lender a fixed monthly payment calculated by standard amortization: P × r(1+r)^n ÷ ((1+r)^n − 1), where P is the principal, r is the monthly rate, and n is the total months. Most lenders charge a 1–8% origination fee — either deducted from proceeds or rolled into the loan — which reduces net savings and should always be factored in.

Pros and Cons of Debt Consolidation

Benefits

  • One payment replaces multiple deadlines
  • Fixed rate protects against rising card rates
  • Lower APR saves thousands in interest
  • Set payoff date improves financial planning
  • Lower utilization can boost credit score

Drawbacks

  • Origination fees offset interest savings
  • Longer term can increase total interest
  • Competitive rates require good credit
  • Risk of re-accumulating card debt
  • Hard inquiry temporarily lowers score

Consolidation vs. Refinancing

Refinancing replaces a single existing loan with a new one at better terms — lowering a mortgage or auto loan rate. Debt consolidation combines multiple separate debts into one new loan. Both use the same core mechanism: a new loan pays off old ones. If you have one debt with a poor rate, that's a refinance. If you have four debts to combine, that's consolidation.

Consolidation vs. Balance Transfer

A balance transfer moves credit card debt to a new card offering 0% promotional APR — typically 12–21 months. If you can fully pay off the balance before the promo ends, a balance transfer is usually cheaper than a consolidation loan. A consolidation loan wins when your balance is too large to clear within the promotional window, when you need a fixed monthly payment, or when you're consolidating non-credit-card debt ineligible for a transfer.

How APR Affects Consolidation Savings

APR is the primary savings driver. A 10-point rate reduction on $15,000 over five years saves roughly $4,300 in interest before fees. Even a 3-point reduction saves hundreds. This calculator computes your weighted average APR across all existing debts automatically, so you can instantly see whether any consolidation offer is genuinely better.

When Consolidation Is a Bad Idea

Consolidation works against you when the new APR isn't meaningfully lower, when origination fees are large relative to savings, or when you extend the term so much that total interest exceeds your current path. It's also a poor strategy if you haven't addressed the spending patterns that created the debt. Always run the actual numbers — if the comparison table shows "costs more," walk away and look for a better rate.

How Loan Fees Impact Savings

Origination fees (1–8%), balance transfer fees (3–5%), and other upfront costs all reduce your net savings. The "Effective APR" in this calculator converts those fees into an equivalent rate, letting you compare apples to apples. A 10% loan with a 3% origination fee over 3 years carries an effective APR of roughly 12.5%. Always compare effective APR across lenders — never just the headline rate.

Tips to Pay Off Debt Faster

  • Pay more than the minimum. Even $50–$100 extra per month can cut years off your timeline and save hundreds in interest.
  • Apply windfalls to principal. Tax refunds and bonuses applied immediately reduce the balance that accrues interest next month.
  • Set up autopay. Never miss a payment — a single 30-day late payment can trigger penalty rates and damage your credit.
  • Stop using paid-off accounts. Freeze or lock those cards to prevent re-accumulation. The goal is reducing debt, not reorganizing it.
  • Refinance again if credit improves. On-time payments for 12 months often improve your score enough to qualify for a lower rate.

Credit Score Impact of Consolidation

At application, a hard inquiry drops your score 5–10 points temporarily. Paying off revolving credit card balances lowers your credit utilization ratio — the second most important FICO factor — which can lift your score 20–50 points. Over 6–12 months of on-time payments, most borrowers see a net improvement. Key: keep paid-off credit cards open with zero balances to preserve your available credit line and keep utilization low.

Frequently Asked Questions

A debt consolidation calculator compares your existing debt payments with a single consolidation loan, showing you the exact difference in monthly payments, total interest, and payoff timeline. It helps you decide whether combining multiple debts into one loan will save money — and by exactly how much.

Debt consolidation combines multiple debts (credit cards, personal loans, medical bills) into a single new loan at a fixed interest rate and term. You use the loan proceeds to pay off your existing debts, then make one monthly payment to the new lender. The goal is a lower APR, reduced monthly payment, or shorter payoff time — ideally all three.

Yes — if the consolidation loan has a lower APR than your average existing debt rate or a longer term than your current payoff timeline. For example, consolidating three debts costing $410/month into a 5-year loan at 10.99% might reduce your payment to $325/month. The trade-off: a longer term may increase total interest paid if the rate reduction is not large enough.

Short term: applying for a new loan triggers a hard inquiry, temporarily lowering your score 5–10 points. Medium term: paying off credit card balances reduces your credit utilization ratio, which can boost your score meaningfully. Long term: consistent on-time loan payments improve your payment history — the most important scoring factor. Most borrowers see a net positive credit impact within 3–6 months.

Debt consolidation combines multiple debts into one new loan — typically unsecured. Refinancing replaces a single existing loan (mortgage, auto, student loan) with better terms. They use the same core mechanism but serve different purposes: consolidation reduces the number of accounts and potentially the average rate; refinancing lowers the cost on one specific large loan.

A good consolidation APR is meaningfully below your current weighted average APR. If your existing debts average 21%, any consolidation loan below 17–18% likely saves money. Borrowers with 720+ FICO scores typically qualify for 8–14%. Use this calculator to see the exact breakeven APR for your specific situation.

Savings equal the difference in total interest paid. Step 1: simulate each existing debt month by month until every balance reaches zero and sum all interest. Step 2: calculate total interest on the consolidation loan via standard amortization — P × r(1+r)^n / ((1+r)^n − 1) — then add upfront fees. Step 3: subtract loan total cost from existing total interest. A positive result means consolidation saves money.

Consolidating credit card debt is usually smart when: (1) you qualify for a personal loan below your average card APR, (2) you can commit to not accumulating new card debt afterward, and (3) the loan term doesn't dramatically extend your current payoff timeline. Credit cards average 22–24% APR; personal loans for good credit average 8–14%.

Common fees include origination fees (1–8% of the loan amount) and balance transfer fees (3–5%). The effective APR — which includes fees — is always higher than the stated rate. For example, a 9% loan with a 3% origination fee over 3 years carries an effective APR of roughly 12.5%. Always compare effective APR across lenders, not just the headline rate.

Consolidation may cost more when: the new APR is not significantly lower than your weighted average rate, high origination fees offset savings, you extend the term so much that total interest exceeds your current path, or you plan to re-accumulate credit card debt afterward. This calculator flags these scenarios with a warning when the math does not favor consolidation.