Arrow Speed Calculator – Accurate Archery Velocity

This tool helps you quickly calculate the speed of an arrow based on its distance and time traveled.






How to Use the Arrow Speed Calculator

To use this Arrow Speed Calculator, simply fill in the required fields:

  • Arrow Weight: Enter the weight of your arrow in grains.
  • Draw Weight: Enter the draw weight of your bow in pounds.
  • Draw Length: Enter the draw length of your bow in inches.
  • Bow Efficiency: Enter the efficiency of your bow in percentage (default is set to 70%).

After you’ve entered all your data, click the “Calculate” button, and the calculator will display the estimated arrow speed in feet per second (fps).

How the Calculation Works

The Arrow Speed Calculator works by estimating the kinetic energy of the bow and how efficiently it transfers that energy to the arrow. It considers:

  • Draw Weight: The force applied when drawing the bowstring.
  • Draw Length: The distance over which the draw weight is applied.
  • Bow Efficiency: The percentage of stored energy transferred to the arrow.
  • Arrow Weight: Heavier arrows will generally have a lower speed, but retain more kinetic energy.

The formula used in this calculator is:

Energy = 0.5 * Draw Weight * Draw Length * Bow Efficiency
Velocity = sqrt((2 * Energy) / (Arrow Weight / 7000)) * 3.281

Limitations

Please note the following limitations of this calculator:

  • The calculator provides an estimate and assumes ideal conditions. Actual arrow speed may vary.
  • The bow efficiency is defaulted to 70%, a typical value for modern compound bows. Your specific bow’s efficiency may vary.

Use Cases for This Calculator

Calculate Arrow Speed

Determine the speed of an arrow shot from your bow to help improve your accuracy and make necessary adjustments to your shooting technique.

Compare Different Arrow Types

See how the speed of different arrow types varies to choose the most suitable one for your archery goals and preferences.

Estimate Impact Force

Estimate the impact force of your arrows to understand their penetration power and ensure you use the right equipment for hunting or target practice.

Adjust Bow Settings

Adjust your bow settings based on the arrow speed to optimize your shooting experience and achieve consistent and precise results.

Assess Arrow Performance

Evaluate the performance of your arrows by calculating their speed, enabling you to enhance your skills and make necessary adjustments for better results.

Plan Long-distance Shots

For long-distance shots, calculate arrow speed to gauge the trajectory and make accurate adjustments for hitting targets accurately.

Optimize Archery Technique

By knowing the speed of your arrows, you can optimize your archery technique by adjusting your stance, grip, and release to enhance accuracy and consistency.

Track Performance Progress

Track the progress of your archery performance by measuring the arrow speed and monitoring improvements over time to set new goals and challenges.

Confirm Equipment Compatibility

To ensure your bow and arrows are compatible, you need to calculate the arrow speed, helping you select the right equipment for your skill level and shooting style.

Educational Purposes

For educational purposes, calculate arrow speed to understand the physics behind archery and learn how different factors impact arrow velocity.