UTILITY · 02 / 02

Arrow Weight
Calculator.

Total weight drives kinetic energy. FOC drives terminal performance. Build your arrow component-by-component and see the engineering numbers in real time — including grain breakdown, FOC percentage and kinetic energy at your draw weight.

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// PLUGIN · ARROW WEIGHT CALCULATOR · V1.0.0

Arrow Weight Calculator

Calculate total arrow weight, FOC and component breakdown for your African Reaper build.

Shaft
Shaft GPI
Grains per inch (from spec sheet)
GPI
Shaft Length
Nock groove to shaft end
inches
Front End
Point / Broadhead
Field point or broadhead weight
gr
Insert
Aluminium or brass insert
gr
Rear End
Nock
Standard pin or press-fit
gr
Arrow Wrap
Leave 0 if no wrap used
gr
Fletching
Vane Type
Weight per vane
Vane 5–12 gr · Feather 2–6 gr
gr
Number of vanes
FOC Measurement
Balance Point
Nock groove to balance point
inches
Total Arrow Length
Nock groove to tip of point
inches
Total Weight
—
grains
FOC
—
front of center %
Shaft Weight
—
grains
Front of Center Balance —
0% 7–9% Target 10–15% Hunting 30%+
Weight Distribution Along Arrow
← Nock end ▲ Balance point Point end →
Component Breakdown
Shaft —
Point / Broadhead —
Insert —
Nock —
Fletching —
Wrap —
Total Arrow Weight —
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