Skip to main content

Personal Loan

Debt Consolidation Calculator

Compare the cost of your current debts against a single consolidation loan. Enter your total current debt payments and see the potential savings from consolidating at a lower interest rate.

By Quick Loan Calculators Team, Financial Content TeamLast reviewed: April 2026
$30,000
18%
9.5%

New Monthly Payment

$630.06

Current Payments

$900.00

Monthly Savings

$269.94

Current Payoff Time

3 yrs 11 mo

New Payoff Time

5 years

Total Interest Savings

$4,098.28

New Total Interest

$7,803.35

New Total Cost

$37,803.35

Email me these results

Get a copy of your calculation with a full amortization schedule

Email capture coming soon

How Debt Consolidation Works

Debt consolidation replaces multiple debts with a single new loan. You apply for a personal loan large enough to cover your existing balances, use the loan proceeds to pay off those accounts, and then make one fixed monthly payment on the new loan. The strategy works when the consolidation loan has a lower interest rate than the weighted average of your current debts. For example, if you owe $8,000 on a credit card at 24% and $12,000 on another card at 20%, your weighted average rate is about 21.6%. A consolidation loan at 11% would cut your rate nearly in half. On $20,000 over 4 years, that rate difference saves approximately $5,800 in interest. Beyond interest savings, consolidation simplifies your financial life. Instead of tracking three or four due dates, minimum payments, and different interest rates, you have one payment on one date each month.

Choosing Between Consolidation Methods

Several tools can consolidate debt, and the right one depends on how much you owe and how quickly you can pay it off. Balance transfer credit cards offer 0% APR for 12 to 21 months, which is the cheapest option if you can clear the balance before the promotional period ends. Most charge a 3% to 5% transfer fee. For $8,000 in debt, a 3% fee is $240, which is far less than a year of interest at 22%. Personal loans work best for larger balances ($10,000 to $50,000) that need 2 to 5 years to pay off. Rates for borrowers with good credit typically range from 7% to 12%. Home equity loans offer the lowest rates (often 6% to 8%) but put your home at risk as collateral. Nonprofit debt management plans, offered through credit counseling agencies, negotiate lower interest rates with your creditors and combine payments into one monthly amount. These plans typically take 3 to 5 years and do not require a new loan.

The Real Cost of Minimum Payments

Credit card minimum payments are designed to keep you in debt for as long as possible. Most minimums are calculated as 1% to 2% of the balance plus interest, or a flat $25 to $35, whichever is greater. On a $15,000 credit card balance at 22% APR, making only the minimum payment would take over 30 years to pay off and cost more than $24,000 in interest alone. That means you would pay more than $39,000 total for $15,000 worth of purchases. A consolidation loan at 10% over 5 years on the same $15,000 costs $4,123 in interest and is completely paid off in 60 months. The monthly payment is $319, compared to a minimum payment that starts around $350 and gradually decreases. The key insight is that the consolidation loan payment stays fixed and steadily eliminates the balance, while minimum payments shrink over time, extending the payoff indefinitely.

Avoiding the Consolidation Trap

The biggest risk of debt consolidation is treating the symptoms without fixing the cause. About 70% of people who consolidate credit card debt accumulate new card balances within a few years, according to lending industry data. This leaves them with both the consolidation loan payment and new credit card debt. To avoid this cycle, take concrete steps after consolidating. Consider closing the paid-off credit card accounts or, if keeping them open for credit score purposes, remove them from your wallet and online shopping accounts. Set up a simple monthly budget that accounts for the consolidation payment and leaves room for an emergency fund. Even $50 to $100 per month in a savings account reduces the likelihood of falling back on credit cards when unexpected expenses arise. If you have already consolidated and re-accumulated debt, a debt management plan through a nonprofit agency may be a better next step than a second consolidation loan.

What Lenders Look For in Consolidation Applications

When you apply for a consolidation loan, lenders evaluate several factors beyond your credit score. Your debt-to-income ratio (DTI) is one of the most important. DTI is your total monthly debt payments divided by your gross monthly income. Most lenders want to see a DTI below 40%, and the best rates go to borrowers under 30%. If your DTI is too high, paying down even one small account before applying can help. Lenders also look at your employment history, preferring at least 2 years of steady income. Self-employed borrowers may need to provide tax returns for the past 2 years. The loan amount relative to your income matters too. Requesting $50,000 on a $45,000 salary raises red flags, while $15,000 on the same salary is more reasonable. Getting pre-qualified with multiple lenders lets you compare rates without multiple hard credit inquiries. Most pre-qualification checks use a soft pull that does not affect your score, so there is no cost to shopping around.

Payment Breakdown

Payment breakdown: $0.00 principal (0.0%), $7,803.35 interest (100.0%)

Principal

$0.00 (0.0%)

Interest

$7,803.35 (100.0%)

How This Calculator Works

This calculator estimates the payoff timeline of your current debts by simulating monthly payments at your current average interest rate until the balance reaches zero. It then compares this to a new consolidation loan using the standard amortization formula: M = P[r(1+r)^n] / [(1+r)^n - 1]. Monthly savings equal the difference between your current combined payments and the new single payment. Total interest savings equal the cumulative interest on your current debts minus the total interest on the consolidation loan. The current debt simulation assumes you make consistent payments at the stated amount and do not add new charges. If your current monthly payment is too low to cover the monthly interest on your existing debts, the calculator shows a 600-month cap, indicating the debts would never be paid off at that payment level. This model does not account for balance transfer fees, origination fees on the new loan, or promotional rate periods on existing cards.

Compare personal loan rates from top lenders

See personalized offers in minutes — no impact to your credit score

Partner offers coming soon

Frequently Asked Questions

Related Calculators

Disclaimer: This calculator provides estimates for informational purposes only. Results are based on the information you provide and standard financial formulas. Actual loan terms, rates, and payments may vary. This is not financial advice. Please consult with a qualified financial professional and verify all figures with your lender before making borrowing decisions.