Arrow Speed Calculator
Calculate the speed of an arrow based on bow draw weight, draw length, arrow weight, and bow efficiency. Get the arrow speed in feet per second (fps) and meters per second (m/s).
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
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Frequently Asked Questions
The calculator uses the formula: Speed (fps) = sqrt( (2 * (Draw Weight * Draw Length / 24 * Efficiency/100) * 32.174) / (Arrow Weight / 7000) ). This is derived from the kinetic energy stored in the bow and the mass of the arrow.
Draw weight is in pounds (lbs), draw length in inches, arrow weight in grains, and efficiency as a percentage.
Bow efficiency accounts for energy losses due to friction, string stretch, and other factors. A typical modern compound bow has an efficiency of 80-90%.
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