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Calculate debt consolidation

Compare the old debt with the new consolidated loan, how much you save on total installment and interest.

Credit/DebitVerifiable formulaYou can save and share results.

Debt Consolidation Calculator

The Debt Consolidation Calculator estimates a loan and interest estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own debt consolidation figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.

Compare the total installment and interest between split payments and consolidation into a single new loan.

Current debt


New terms of the debt consolidation loan.

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Debt consolidation — when to do it?

Debt consolidation is a good strategy when you have a lot of high-interest debt, like multiple credit cards, and can find new loans at lower interest rates. Debt consolidation reduces complexity in management and can significantly reduce the total interest.

Should consolidate when

  • The interest rate on the new loan is significantly lower than the average interest rate on the old loan.
  • You want to reduce the number of payments from multiple to one.
  • The total current account is too high to affect cash flow.
  • There's a clear financial discipline plan after the debt consolidation.

Be careful.

  • If you extend the loan, you may pay more interest, even if the monthly payments are reduced.
  • Watch out for the early closure fee on the old loan.
  • After the consolidation, stop creating new debt from the closed credit card.
  • Compare offers from several institutions before making a decision.

Frequently asked questions

What is debt consolidation?
Debt consolidation is the process of combining multiple debts into one loan, usually with lower interest rates and easier to manage monthly payments.
You really want to save up?
Depending on the interest rate of the new loan, the total debt compared to the average interest rate of the old debt. If the new interest rate is lower and the term is not too long, you usually save. But if the term is too long, you may pay more interest although the monthly payments are less.
What's the interest on the total debt?
The debt consolidation loan in Thailand usually has interest rates of around 10-18% per year depending on the financial institution and the borrower's profile. If you have a good credit history, you may get lower interest rates. Ask several places to compare.
What's the total debt fee?
The common fees are loan management fees (1-3% of the amount), security fees and early closure fees of the existing loan. These costs should be combined to see if it is worthwhile.
Disclaimer: The results of the calculations are estimates only. Actual figures may vary according to the terms of the financial institution. They are not financial advice.

English calculator guide

How to use the Debt Consolidation Calculator

Use this page to test a specific debt consolidation scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the debt consolidation estimate instead of relying on a generic example.

  1. Build a baseline debt consolidation case with figures that match your situation.
  2. Run a second debt consolidation case after changing the rate, period, quantity or other key assumption.
  3. Record the difference between the two debt consolidation results and the input responsible for it.

Inputs for the debt consolidation estimate

For this debt consolidation calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a loan and interest estimate for your scenario, not a guaranteed provider price or official decision.

How the debt consolidation result is calculated

The calculator models principal, interest, repayment timing and term using the assumptions shown on the page. Reusing the same debt consolidation inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.

Checks for a debt consolidation decision

Confirm any current rate, threshold or provider rule that could change the final amount. For debt consolidation, Use the result to compare affordability, not as a lending offer. Check the lender’s effective rate, fees, insurance, payment schedule and approval conditions before committing. Check the important inputs and any current provider or authority rules before using the result for a decision.

Language QA
Terminology, numeric values and calculator controls checked
Calculator scope
Loan and interest
Last English review
26 July 2026

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Kamnuanlek editorial team
reviewer
Kamnuanlek recipe and resource review team
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