12 September 2026
Interest = principal × (ECB MRO + 8 pp) × days / 360.
ECB MRO is 2.40% until 15 September 2026 and 2.65% from 16 September 2026.
Example: 1000 EUR, 68 days, 2.40% ECB. Rate 10.40%. Interest 19.64 EUR.
This is not legal advice and not for tax-authority interest.
Open the calculator Pay 29 EUR for the pack