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“Weights and Measures”
Fish Weight Calculator  Striped Bass Calculator
Striped Bass Length - Age - Weight Chart©  Measuring the Length of a Fish
International Game Fish Association Measuring Device

Fish Weight Calculator

Enter the Girth and Length of the Fish
  Girth in Inches     Length in Inches  

  Weight in Pounds  

 

Striped Bass Calculator
Overall Length:   Inches
Approximate Age:   Years
Maximum Weight:   Pounds
Average Weight:   Pounds
Minimum Weight:   Pounds

Striped Bass Length - Age - Weight Chart©

This chart is based on catch records in New England. Its overall accuracy is good, especially in the Fall. Weights in the Spring months are generally lower. Most fish above 40 pounds are females.
Length 12" 13" 14" 15" 16" 17" 18" 19" 20" 21" 22"
Age 1 1 2 2 2 3 3 3 3 4 4
Max Lbs 1.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.8
Avg Lbs 1.0 1.5 2.3 2.5 3.0 3.5 4.0 4.3 4.8 5.0 5.8
Min Lbs 1.0 1.0 2.0 2.0 2.5 2.8 3.0 3.5 4.0 4.3 4.8
Length 23" 24" 25" 26" 27" 28" 29" 30" 31" 32" 33"
Age 4 5 5 6 6 6 7 7 8 8 9
Max Lbs 7.5 8.3 8.8 10.0 11.0 12.0 12.9 14.0 15.0 16.7 17.8
Avg Lbs 6.3 7.0 7.8 8.5 9.8 10.311.0 12.3 13.014.5 15.8
Min Lbs 5.0 6.0 6.3 7.0 8.0 8.8 9.7 10.3 11.0 12.0 13.0
Length 34" 35" 36" 37" 38" 39" 40" 41" 42" 43" 44"
Age 9 10 10 11 12 12 13 13 14 14 15
Max Lbs 19.0 20.5 22.0 23.5 25.5 27.2 29.5 31.0 33.5 36.3 39.0
Avg Lbs 16.5 18.0 19.5 20.7 22.0 24.5 26.0 27.3 29.7 32.0 34.0
Min Lbs 14.0 15.5 16.8 17.5 19.0 20.7 22.0 23.0 25.027.0 29.0
Length 45" 46" 47" 48" 49" 50" 51" 52" 53" 54" 55"
Age 1516 16 17 17 18 18 19 19 20 20
Max Lbs 41.0 44.0 47.5 51.0 54.0 58.0 62.0 65.0 68.0 73.0 80.0
Avg Lbs 36.0 38.7 42.0 44.0 47.0 50.0 55.0 58.0 60.0 64.0 70.0
Min Lbs 30.5 32.5 35.0 37.0 39.0 42.0 45.0 47.0 49.0 52.0 56.0

Copyright © 1998 - 2013 StriperSurf Enterprises, LLC, All Rights Reserved.
Please refer to Ownership: Trademark & Copyright Restrictions. You may view and download the table above or Excel file for your personal, non-commercial, use only.

NOTE: A virus free, B&W pocket sized version of this chart is available in a
Microsoft® Excel .XLS file.
Click below to download, select “Save to Disk” if prompted by your Browser
Download Excel File: SB_Age.xls

Measuring the Length of a Fish

The common way to measure is from tip of mouth to the fork of the tail fin using a tape measure, is actually NOT CORRECT for most fish but “safe.” The problem here is that some states apply the “fork” rule and others use the more universally accepted method in the diagram. Best advice is to check the regulations in the state where you are fishing and verify that the regulations apply to your target fish.

Avoid the biggest error, do not use a tape measure pulled over the body of the fish, it will increase the measurement since the tape has to bend over the rounded body mass of the fish. Place the tape measure on the ground or a hard surface and then place the fish on top of it. The measurement is from the closed mouth to pinched tail fin, not the “fork.” Frankly if you have to pinch the tail fin in order to meet the minimum legal length you are better off releasing the fish to grow another inch and avoid any questioning by others and especially Fish and Game Officers!

Commercial fish measuring sticks are available (e.g. IGFA Measuring Device) but it's simple to make one out of two pieces of wood.

International Game Fish Association Measuring Device Go to IGFA Website
Copyright © IGFA
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