How to use the statutory interest calculator (Government Ordinance 13/2011)

This digital calculator estimates statutory default or remunerative interest under Government Ordinance No. 13/2011. It calculates the additional amount payable by an individual or company for late payment of a debt or the use of capital, by reference to the outstanding principal, currency, period and the parties’ legal status.

1. Enter the amount and currency: Enter the principal debt and select the currency (RON, EUR or USD).
2. Select the type of legal relationship: Choose the relationship between the parties (B2B / between businesses, business–individual, or between individuals / civil).
3. Interest settings: For RON, check or adjust the National Bank of Romania (NBR) reference rate (default: 6.50%) and choose the type of interest: default interest (for late payment) or remunerative interest (for the use of money).
4. Period: Enter the start and end dates of the period for which interest is sought.
5. Click ‘Calculate interest’: The result shows the interest amount, total payable, number of days and applicable legal basis.

Changes in the NBR rate: The calculator applies a single rate throughout the period. If the period is lengthy and the NBR rate changed, the final calculation must be split into separate periods.
No interest on interest (anatocism): This calculator applies interest only to the principal debt, not to previously accrued interest.
Contractual terms take priority: If a valid contract already provides for specific late-payment penalties, those terms generally apply instead of statutory interest.
Limitation periods: Interest claims are generally subject to the three-year limitation period, so claims for earlier periods require a separate limitation assessment.

Statutory Interest Calculator (Government Ordinance 13/2011)

1. Principal amount (debt):

Currency:

2. Type of legal relationship:

3. NBR reference interest rate (%/year): * Adjust for the relevant period. The default 6.50% is not an automatic check of the rate applicable to your dates.

4. Type of interest:

5. Start date:

6. End date:

Interest calculation result

IMPORTANT: AN INDICATIVE TOOL ONLY

The calculation above is a simplified theoretical estimate based on a single rate applied to the entire period. In practice, the exact statutory interest payable may differ because of complex legal and financial factors, including:

Changes in the NBR rate over time: If the calculation period includes successive changes to the NBR reference rate, interest must be recalculated separately for each period using the rate then in force.

When interest starts to accrue (placing the debtor in default): The date from which default interest is payable depends on the due date, a formal notice of default or the date court proceedings were initiated, as applicable (Article 1535 of the Civil Code).

Restrictions on anatocism (interest on interest): Under Article 8 of Government Ordinance 13/2011, interest is generally calculated on the principal debt; capitalisation is restricted, subject to the exceptions expressly provided by law.

Contractual clauses or agreed penalties: Where the parties have agreed separate late-payment penalties or damages, statutory interest may be displaced by the agreed penalty clause, subject to its validity and the applicable rules.

Limitation of the right to bring a claim: The right to claim statutory interest for past periods is subject to the general three-year limitation period, assessed separately for each day of delay.

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Linkuri utile și legislație

Cod civil Cod procedură civilă Cod penal Cod procedură penală HUDOC (CEDO) InfoCuria (CJUE)