Calculate statutory interest on overdue debts
Verified as of 31 Jul 2026see changes
Enter the debt details
10.15%
Legal interest = ECB main refinancing rate + 8 percentage points (10.15% for H1 2026)
Total debt
€1,051.03
Delay period
6 m. 1 d.
(181 total days)
Daily interest
€0.28
Monthly interest
€8.46
Invoice online in minutes. No errors and no stress.
Smetni issues your invoices with automatic VAT, numbering and payment reminders. Free trial.
Formula:
Interest = Principal × (Annual rate / 360) × Number of days of delayThese calculations are for informational purposes only and do not constitute financial, tax, or legal advice. Consult a qualified professional for your specific situation.