About Wire Gauge Calculator
Your trusted free tool for accurate American Wire Gauge (AWG) calculations. We help electricians, engineers, and DIY enthusiasts select the correct wire size for safe and efficient electrical installations.
Our Mission
Our mission is to provide a free, accurate, and easy-to-use wire gauge calculator that helps everyone make informed decisions about electrical wire sizing. We believe that proper wire gauge selection is critical for electrical safety, and our AWG calculator makes this crucial calculation accessible to all.
Why Choose Our Wire Gauge Calculator?
Accurate Calculations
Our wire gauge calculator uses industry-standard formulas and data to provide accurate AWG recommendations based on current, voltage, wire length, and material.
Instant Results
Get immediate wire gauge recommendations with detailed information including voltage drop, wire resistance, and maximum current capacity for your electrical project.
Safety First
Our AWG calculator ensures wire selections meet the 3% voltage drop standard recommended by the National Electrical Code (NEC) for optimal electrical safety.
Who Uses Our Wire Gauge Calculator?
⚡ Professional Electricians
Licensed electricians use our wire gauge calculator for quick on-site wire sizing verification and to ensure compliance with electrical codes.
🔧 Electrical Engineers
Engineers rely on our AWG calculator for designing electrical systems, conducting load calculations, and specifying appropriate wire gauges.
🏠 DIY Enthusiasts
Homeowners and DIYers use our wire gauge calculator for home improvement projects, automotive wiring, and solar panel installations.
🎓 Students & Educators
Electrical students and instructors use our calculator as a learning tool to understand wire sizing principles and electrical theory.
Wire Gauge Calculator Features
Comprehensive AWG Support
Our wire gauge calculator supports wire sizes from AWG 20 to AWG 0000 (4/0), covering virtually all residential, commercial, and industrial applications.
Multiple Wire Materials
Calculate wire gauge for both copper and aluminum wires. Our calculator accounts for the different conductivity properties of each material.
Imperial & Metric Units
Enter wire length in feet or meters. Results display in both unit systems for international compatibility.
Detailed Calculations
View comprehensive results including voltage drop percentage, wire resistance, maximum ampacity, and safety recommendations.
Export & Share
Export calculation results as a text file or share them via clipboard for documentation and team collaboration.
Mobile Friendly
Use our wire gauge calculator on any device - desktop, tablet, or smartphone. Responsive design ensures optimal usability everywhere.
How Our Calculator Helps You
Prevent Safety Hazards: Using undersized wire can lead to overheating, insulation damage, and fire hazards. Our wire gauge calculator ensures you select adequate wire size for safe operation.
Avoid Code Violations: Electrical installations must comply with National Electrical Code (NEC) requirements. Our calculator helps you meet voltage drop and ampacity standards.
Save Money: Avoid oversizing wire which increases material costs. Our AWG calculator recommends the optimal wire gauge that balances safety and economy.
Improve Efficiency: Proper wire sizing minimizes power loss, improves system efficiency, and extends equipment lifespan by ensuring adequate voltage at the load.
Our Commitment to You
Free Forever: Our wire gauge calculator will always be free to use. No registration, no hidden fees, no limitations.
Privacy Focused: We don't store your calculation data. Your wire sizing information stays private and secure.
Continuously Improved: We regularly update our calculator with the latest electrical standards and user-requested features.
Educational Resource: Beyond calculations, we provide detailed explanations to help you understand wire gauge selection principles.
Important Disclaimer
While our wire gauge calculator provides accurate calculations based on standard formulas, it should be used as a guide only. Always consult with a licensed electrician or electrical engineer for critical installations. Verify all wire gauge selections against local electrical codes and regulations before implementation.