Legal Interest Calculator
Calculate statutory interest on overdue debts
Verified as of 6 Sep 2026see changes
Input Data
Enter the debt details
Current legal interest rate
10.15%
Legal interest = ECB main refinancing rate + 8 percentage points (10.15% for H1 2026)
Results
Total debt
€1,051.88
Delay period
6 m. 4 d.
(184 total days)
Principal (€)€1,000.00
Interest accrued+ €51.88
Daily interest
€0.28
Monthly interest
€8.46
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How is it calculated?
Formula:
Interest = Principal × (Annual rate / 360) × Number of days of delayFrequently Asked Questions
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These calculations are for informational purposes only and do not constitute financial, tax, or legal advice. Consult a qualified professional for your specific situation.