Archery calculators
Quick tools for building and checking arrows. Every calculator shows its formula, so you can see where the number comes from.
Arrow speed calculator
This arrow speed calculator estimates how fast a compound bow will shoot your arrow from its IBO speed rating and your setup measurements.
Open calculator →Arrow FOC calculator
This arrow FOC calculator finds how far an arrow balances ahead of its midpoint, expressed as a percentage of arrow length.
Open calculator →Draw length calculator
The draw length calculator estimates your draw length by dividing your wingspan in inches by 2.5.
Open calculator →Arrow weight calculator
This arrow weight calculator adds the shaft and every installed component to estimate finished arrow weight, then divides that total by peak draw weight to find grains per pound.
Open calculator →Arrow kinetic energy calculator
The arrow kinetic energy calculator uses finished arrow weight and speed to calculate energy in foot-pounds and momentum in slug-feet per second.
Open calculator →Arrow length calculator
The arrow length calculator gives a starting estimate from draw length and bow type.
Open calculator →Archery score calculator
This archery score calculator divides your total by the arrows shot to find average points per arrow, and by the maximum possible score to find form percent.
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