Foc Calculator
Calculate the Front of Center (FOC) percentage for arrows. FOC helps optimize arrow flight and penetration for archery.
Was this calculator helpful?
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.
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
FOC stands for Front of Center, a percentage that indicates the balance point of an arrow relative to its length. It affects arrow flight and penetration.
FOC = ((Balance Point from Nock - Arrow Length/2) / Arrow Length) × 100.
For target archery, 10-15% is common. For hunting, 12-20% is often preferred for better penetration.
Advertisement
Advertisement