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