PoE Calculator - Power over Ethernet Budget Calculator Free

How to Use the PoE Calculator

1. Add PoE devices — select quantity and PoE class for each device type
2. Enter switch PoE budget — total power available from your PoE switch
3. View results — total power draw, remaining budget, and recommendations

Perfect for security installers, network technicians, and system integrators planning PoE infrastructure for IP cameras and access points.

Features

• PoE classes — supports Class 1 (4W) through Class 4 (30W PoE+)
• Power budget analysis — total draw vs switch capacity
• Overbudget warnings — alerts when power exceeds capacity
• Multiple device types — cameras, access points, and other PoE devices
• Cable length impact — estimates power loss over distance