Debt Consolidation Calculator
Determine whether consolidating multiple high-interest debts into a single personal loan will lower your monthly payments, reduce total interest, and accelerate debt freedom.
Consolidation Outcome
Consolidated Loan Amortization Schedule
| Month | Beginning Balance | Monthly Payment | Principal Paid | Interest Paid | Ending Balance |
|---|
How Debt Consolidation Works: The Compounding Math
Debt consolidation is a debt restructuring strategy that rolls multiple high-interest revolving balances (such as credit cards at 18% to 26% APR, medical bills, and merchant store credit) into a single, fixed-rate installment loan with a lower interest rate.
Weighted APR = ∑(Balancek × Ratek) / Total Balance
2. Fixed Amortization Payment Formula:
Monthly Payment = P × [ r(1 + r)N ] / [ (1 + r)N − 1 ]
Where: P is total consolidated debt plus financed origination fees, r is the monthly rate (APR / 12), and N is loan tenure in months.
When is Debt Consolidation Recommended?
Consolidating debt provides clear financial advantages under the following conditions:
- Significant Interest Rate Gap: If your new personal loan APR is at least 4% to 8% lower than your current weighted average APR.
- Streamlined Monthly Budgeting: Merging 4 or 5 separate due dates and minimum payments into a single fixed monthly payment prevents accidental late fees.
- Fixed Payoff Horizon: Credit card minimum payments stretch repayment over 15 to 25 years. A personal loan locks in a guaranteed payoff date in 36 to 60 months.
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Frequently Asked Questions
Debt consolidation rolls multiple high-interest debts (like 20%+ credit cards) into a single loan with a lower interest rate (such as an 8% to 12% personal loan). This reduces the amount of interest accruing each month, allowing more of your payment to reduce the principal balance.
Initially, applying for a consolidation loan may cause a minor temporary dip due to a hard credit inquiry. Over time, however, consolidating often significantly improves your credit score by lowering your credit utilization ratio on revolving cards and establishing a consistent on-time installment payment history.
Origination fees are processing charges deducted by lenders, typically ranging from 1% to 6% of the loan amount. This calculator factors these fees directly into the comparison to show your true net savings.
Debt consolidation is counterproductive if the new loan’s interest rate plus fees is higher than your current weighted average rate, or if you extend the loan term so much that total lifetime interest increases despite a lower monthly payment.
Lending Standards & Actuarial Precision
Calculations follow standard banking amortization rules. Financed origination fees, weighted average APR calculations, and net lifetime interest comparisons are mathematically verified.
Disclaimer: This calculation tool is provided for educational and self-directed personal budgeting analysis only. Loan qualification, approved interest rates, and origination fees depend on individual credit scores, debt-to-income ratios, and lender criteria. Consult a licensed loan officer before signing loan contracts.