PoE Power Budget Calculator
Calculate Power over Ethernet requirements for your network infrastructure. Get accurate power budgets, switch recommendations, and cable loss analysis based on IEEE 802.3 standards.
PoE Device Selection
Infrastructure Configuration
Important Disclaimer
For Educational and Estimation Purposes Only: The PoE Power Budget Calculator is provided as a free educational tool to help with preliminary Wi-Fi planning estimates. Results should not be used as the sole basis for professional network deployments.
Professional Consultation Required: For production networks, always consult qualified Wi-Fi professionals and conduct proper site surveys. Actual results may vary significantly based on environmental factors, building materials, interference, and specific requirements.
Calculation Methodology: Calculations are based on industry-standard formulas and best practices from IEEE 802.11 standards, but simplified for general use. Real-world deployments require detailed analysis of specific conditions.
- Power consumption values are based on typical device specifications and may vary by manufacturer
- Cable resistance and temperature can significantly affect power delivery
- Environmental factors and cable quality impact actual power requirements
- Consider voltage drop calculations for longer cable runs
- Power redundancy planning is essential for mission-critical deployments
Sources & References:
- IEEE 802.3af-2003 - Power over Ethernet Standard
- IEEE 802.3at-2009 - Power over Ethernet Plus Standard
- IEEE 802.3bt-2018 - Power over Ethernet Plus Plus Standard
- TIA-568 Commercial Building Telecommunications Cabling Standard
- Industry best practices for PoE deployment and power budgeting
Limitation of Liability: Wifi Weave makes no warranties regarding the accuracy or completeness of these calculations. Users assume all responsibility for decisions based on these estimates.