What debt consolidation actually is
Debt consolidation means taking out one new loan and using the proceeds to pay off several existing debts. You replace a mess of balances, due dates, and APRs with a single monthly payment at a single (usually lower) rate. The new loan is most often a personal loan, a home equity line, or a 0% balance transfer credit card. The old debts go to zero; the new one starts at whatever the total was, plus any origination fee.
When consolidation is a real win
Consolidation is worth it when your blended APR drops meaningfully. If you're carrying credit cards at 24–30% and you qualify for a personal loan at 10–14%, the math is often strongly in your favor — even after a 3–5% origination fee. The calculator above does the honest comparison: it takes your current debts at their real APRs and stacks them against the loan amount (plus fee) at the new rate.
When it's a trap
Consolidation fails in two common ways. First, if the new loan term is much longer than your old debts would have taken to pay off, you may pay less per month but more total interest. Second, and more dangerous: once the cards are at zero, many people run them back up while still owing the consolidation loan, doubling the debt load. The second failure mode is the single biggest reason consolidation has a mixed reputation in personal finance circles.
Origination fees and the "APR trick"
Most personal loans charge a 1–8% origination fee, taken off the top. So a $10,000 loan at 11% APR with a 5% origination fee actually gives you $9,500 in cash but you are paying interest on the full $10,000 — the effective APR is closer to 13%. The calculator bakes this in: the loan "principal" is your debt total multiplied by (1 + fee%). Always compare the quoted rate against what the fee-adjusted rate really is.
HELOC and cash-out refi: the nuclear option
Home equity loans offer the lowest consolidation rates (often half of a personal loan), but they turn unsecured credit card debt into secured debt against your house. If you lose your job and can't pay, you are now at risk of foreclosure for a debt that was originally just a credit card. For most households this tradeoff is not worth it. Only consider it if you have stable income, a huge equity cushion, and real discipline about not re-racking the cards.
Credit score effects
Consolidation usually helps your score in the medium term. Paying off several revolving balances drops your credit utilization ratio to near zero — a major scoring input. A new installment loan adds a small credit mix boost. The hard inquiry from the application and the new-account effect temporarily dings you by 5–15 points, but this recovers in 3–6 months as long as you make on-time payments.
The alternative: avalanche without consolidating
If you can't get a consolidation rate meaningfully below your current blended APR — common for people with credit scores under 680 — skip consolidation and use the avalanche strategy on your existing debts instead. You'll get 80% of the benefit with none of the re-racking risk and no origination fee.
Related calculators
For education only. Not financial advice.