Arrow Speed Calculator
Calculate arrow speed, momentum, and kinetic energy using IBO ratings for archery performance analysis
Bow & Arrow Specifications
Enter your bow and arrow specifications to calculate performance metrics
fpsm/s
incm
lbkg
IBO Standard:Based on 30" draw length, 70 lb draw weight, and 350 grain arrow. Adjustments: ±10 fps per inch of draw length, ±2 fps per pound of draw weight.
Results are estimates based on industry-standard IBO calculations.
Arrow Performance
Enter your bow specs and clickCalculate to see arrow performance.
Rate this Tool
How useful was this calculator for you?
4.5/ 5
3.1KReviews
How to Use This Calculator
Step-by-step guide to get accurate results
1
Arrow Speed Calculator: What It Is and How to Use It
An Arrow Speed Calculator is a simple online tool that helps estimate how fast an arrow will fly based on your bow and arrow specifications. By entering your bow’s draw weight, draw length, and the arrow’s weight, you can quickly see the estimated speed, and in some calculators, even kinetic energy and momentum.
2
How to Use It
Open the Calculator
Access it from your web browser.
Enter Draw Weight
The force needed to pull the bow (in pounds or kilograms).
Enter Draw Length
How far the bow is drawn (in inches or centimeters).
Enter Arrow Weight
Usually in grains or grams.
Optional Inputs
Some calculators let you add bow-rated speed or accessory weight.
Click Calculate
The results appear instantly.
Check Units
Make sure all measurements match the units selected.
3
Key Features
Instant Results
No waiting; see your arrow speed immediately.
More than Speed
Some tools also show kinetic energy and momentum.
Mobile-Friendly
Works well on phones and tablets.
Free & Simple
No downloads or registration needed.
Educational
Learn how draw weight, arrow mass, and energy relate.
Supports Metric & Imperial Units
Works for users worldwide.
4
Who Can Benefit
Archers & Hunters
Estimate arrow speed and energy for better gear choices.
Hobbyists & DIYers
Test different arrow weights or bow setups.
Students & Educators
Explore projectile motion and energy transfer in physics.
Comparing Equipment
See how different arrows or bows perform.
Safety Planning
Understand approximate speeds before shooting.
5
Example Calculations
Example 1 – Standard Arrow
Draw Weight: 50 lbs | Draw Length: 28 in | Arrow Weight: 350 grains | Estimated Speed: 280 fps
Example 2 – Lightweight Arrow
Draw Weight: 60 lbs | Draw Length: 29 in | Arrow Weight: 300 grains | Estimated Speed: 320 fps
Frequently Asked Questions
What does an arrow speed calculator do?
It estimates arrow speed and can also show kinetic energy and momentum based on your bow and arrow.
Is it free?
Yes, most online calculators are completely free.
Do I need to install software?
No, it runs directly in your browser.
Can I use it on a phone?
Absolutely. Most calculators are mobile-friendly.
What inputs do I need?
Draw weight, draw length, and arrow weight.
Can it calculate energy?
Yes, many tools show kinetic energy and momentum along with speed.
Is it suitable for students?
Yes, it’s a great way to explore physics concepts.
Are the results accurate?
They give a good estimate, but real-world factors like technique and equipment quality can affect actual speed.
Can I use metric units?
Yes, calculators usually support both metric and imperial units.
Can archers use this for real-world planning?
Yes, but treat the results as a guideline rather than exact values.