Default Interest Calculator
Calculate late payment interest per Thai Civil and Commercial Code — statutory 3%, default 5% (Section 224), MRR+2%, or any custom rate. For debt collection, civil litigation, and mediation.
Default Interest Calculator
Interest Rate
Thai Civil and Commercial Code Section 7 (amended 2021): Statutory interest 3%, Default interest 5%
Suitable For
- Commercial debt recovery
- Civil lawsuits for damages
- Dispute mediation and negotiation
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Which rate should I use?
Section 7 — amended 2021
Default legal rate when no interest rate is agreed upon in contract. Used for general money obligations.
Section 224
Applied when a party fails to pay on time (defaults on monetary obligation). Higher rate than statutory 3%.
Bank/Loan contracts
Common in loan agreements, hire-purchase, and bank credit facilities. MRR (Minimum Retail Rate) varies by bank.
Contractual rate
When your contract specifies an agreed interest rate. Enter the exact percentage from your contract.
This calculator provides estimates only. Actual interest amounts may differ based on contract terms, court rulings, or additional statutory provisions. Always consult a qualified legal or accounting professional for formal disputes.
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