Arrow Build Calculator

Calculate total arrow weight, grains per inch, and FOC from individual component weights for custom arrow builds.

Shaft Weight

gr/in

Shaft Length

Insert Weight

Point Weight

Vane Weight (each)

Nock Weight

Wrap Weight

Tab to move between fields

Total Arrow Weight

383 gr

FOC

10.6%

Grains per Inch13.7 gpi

How to Use This Calculator

Enter Shaft Weight in grains per inch and Shaft Length in inches.
Set Insert Weight, Point Weight, Vane Weight per vane, Nock Weight, and Wrap Weight in grains.
Review Total Arrow Weight and FOC (Front of Center) percentage.
Aim for 10-15% FOC for target archery and 15-19% for hunting setups.
Use Grains per Inch (GPI) to compare arrow builds across different shaft specifications.

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