Conversion factors

Conversion factors

Conversion factors

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Conversion factors

The EU system for fisheries controls

The Commission implementing regulation (EU) No 404/2011 laying down detailed rules for the implementation of Council Regulation (EC) No 1224/2009 establishing a Community control system for ensuring compliance with the rules of the Common Fisheries Policy establishes fresh and fresh salted European Union conversion factors  and presentation codes for processed fish, to convert fish processed weight into fish live weight for the propose of monitoring catches.

This Regulation shall apply to fishery products on board or landed or transhipped by Community fishing vessels and by third country vessels fishing in European Union waters.

In situations where Regional Fisheries Management Organisations, of which the European Community is a Contracting party or cooperating non Contracting party, or regions or coastal areas where the European Community has an agreement to fish in third country waters, have defined regional conversion factors, those factors shall apply.

In case where no Community or regional conversion factors exist for a given species and presentation, the conversion factor (CF) adopted by the flag Member State shall apply.

Conversion factors 

• Table 1 - Full list of Fresh CCF by species (obligatory) (see also annexes XIII - XV of the Regulation (EU) No 404/2011).

• Table 2 - List of Member States national CF

• Table 3 - List of Member States by species, CCF indicated

• Table 4 - List of codes used

This compilation of data refers only to quota species. All information included in the Member States tables was supplied and approved by the Member States concerned.

Third countries conversion factors applicable to EU fishing vessels

The following information presented here, on third countries conversion factors and obligations, is purely indicative and shall be at all times cross-checked with the respective Third Country Fisheries Authorities.


These rules are applicable to non-Norwegian vessels fishing in the Economic Zone of Norway, the fisheries zone around Jan Mayen, the fisheries protection zone around Svalbard and the territorial and internal waters of Svalbard

Norwegian conversion factors (Norwegian Fisheries Directorate)


• Table with Greenland conversion factors

Faroe Islands

• Table with Faroese conversion factors