Free tool
EU size code calculator
Paste fruit diameters in millimetres or load a CSV file to see the EU size code distribution and an estimated yield. Everything runs in your browser; nothing is uploaded.
Yield estimate (optional)
Result
Enter at least 5 diameters to see the distribution.
Size code ranges overlap in the regulation; each fruit gets the code whose range centre is closest. Minimum sizes: orange 53 mm, mandarin 45 mm, clementine 35 mm, lemon 45 mm.
Source: EU marketing standard for citrus fruit, Regulation (EU) No 543/2011, Annex I, Part B, Part 2; the same size scales appear in Delegated Regulation (EU) 2023/2429.
Measure on the tree, not on the table
ZestLens measures every fruit on the tree with your iPhone's LiDAR and fills in this table for you, block by block and week by week.
