Prawn Size Chart

There is a lot of confusion and misinformation around sizes when it comes to prawns; so we use the chart below to categorise our prawns accordingly. Note that these are approximations.

For Prawns Head on Shell On

Market Name	Size Terminology	Prawns Per Kg
Extra Colossal	U5	4-5
Extra Colossal	U10	7-9
Super Colossal	U12 or 10/12	9-11
Colossal or Similar	U15 or 13/15	13-14
Extra Jumbo	16/20	17-19
Jumbo	21/25	22-24
Extra Large	26/30	27-29
Large	31/35	32-34
Medium Large	36/40	37-39
Medium	41/50	42-49
Small	51/60	52-59
Extra Small	61/70	62-29

 

For Peeled and Deveined Prawns 

Market Name	Size Terminology	Prawns Per Pound
Extra Colossal	U5	4-5
Extra Colossal	U10	7-9
Super Colossal	U12 or 10/12	10-12
Colossal or Similar	U15 or 13/15	13-15
Extra Jumbo	16/20	16-20
Jumbo	21/25	21-25
Extra Large	26/30	26-30
Large	31/35	31-35
Medium Large	36/40	36-40
Medium	41/50	41-50
Small	51/60	51-60
Extra Small	61/70	61-70