Arrow Weight Calculation:
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Arrow weight is the total mass of all components that make up an arrow, measured in grains. It's a critical factor in archery that affects arrow speed, kinetic energy, and penetration.
The calculator uses a simple sum of all arrow components:
Where all weights are measured in grains (1 grain = 0.0648 grams).
Details: Proper arrow weight affects accuracy, trajectory, and hunting effectiveness. Heavier arrows penetrate better but shoot flatter trajectories, while lighter arrows fly faster but may lack kinetic energy.
Tips: Enter the weight of each component in grains. Typical arrow weights range from 300-500 grains for target shooting and 400-600+ grains for hunting.
Q1: What's a good arrow weight for hunting?
A: Most hunters use arrows between 400-600 grains, with heavier arrows (500-650 grains) preferred for large game.
Q2: How does arrow weight affect speed?
A: Lighter arrows travel faster from the same bow, while heavier arrows are slower but carry more kinetic energy.
Q3: What's the minimum arrow weight for my bow?
A: Check your bow's specifications, but generally never shoot arrows lighter than 5 grains per pound of draw weight.
Q4: How do I measure individual component weights?
A: Use a precision grain scale to weigh each component separately before assembly.
Q5: Does fletching weight make a big difference?
A: While fletching is the lightest component, different sizes/materials can affect arrow flight and overall weight.