Extension Cord
Calculate extension cord wire gauge, length, and ampacity for safe power delivery to tools, appliances, and outdoor equipment.
Charging Cord Length Calculator
Calculate and optimize USB charging cable length, power delivery efficiency, and voltage drop for phones, tablets, and laptops.
Calculate the impact of charging cable length on power delivery efficiency for your devices. Essential for understanding how longer cables affect charging speed, energy waste, and costs. Perfect for optimizing your charging setup and reducing unnecessary power loss.
Key Features
- Real-time power loss calculation based on cable length
- Device-specific charging efficiency analysis
- Environmental impact assessment
- Cost calculation for wasted energy
- Charging time impact visualization
- Support for multiple cable types and devices
- Comparative analysis with optimal setup
Cord Specifications
Charging Setup
Efficiency: 90.9%
Power Loss: 2.5W (9.1%)
0.5m
0W
27W
Extra Charging Time
40.7 min/charge
247.5 hours/year
Extra Cost
$0.09 /year
$0.000/day
Environmental Impact
0.3 kg CO₂/year
= 0.6 miles driven
Wasted Energy
36.6 charges/year
2.5W extra loss
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