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AWG Wire Gauge Calculator - Professional Engineering Tool

Professional AWG Wire Calculator

Advanced wire gauge conversion and specification tool for engineers, procurement professionals, and technical teams. Calculate AWG, metric dimensions, current capacity, and electrical properties with engineering-grade accuracy.

Engineering Accurate
Medical Grade Specs
Industrial Standards

Enter Any Known Value

Input any wire specification you know, and we'll calculate all equivalent values automatically. Perfect for cross-referencing between American (AWG), metric (mm), and area measurements.

AWG
mm
inches
mm²
kcmil
Amps

Calculated Specifications

AWG Size
--AWG
Diameter (mm)
--mm
Diameter (inches)
--in
Area (mm²)
--mm²
Resistance
--Ω/km
Max Frequency
--Hz
-- A
Maximum Current Capacity (Free Air)

Application-Specific Wire Selection Guide

Use these industry-specific guidelines to select appropriate wire gauges for your application. Each industry has unique requirements for current capacity, environmental conditions, and regulatory compliance.

Medical Device Applications
Typical Range: 18-24 AWG
Key Requirements: Biocompatibility, sterilization resistance, low noise
Standards: IEC 60601, FDA 510(k), ISO 13485
Common Uses: ECG leads, patient monitoring, surgical equipment
Industrial Automation
Typical Range: 12-18 AWG
Key Requirements: High current capacity, EMI shielding, durability
Standards: UL 508, IEC 60204, NEMA
Common Uses: Motor connections, sensor wiring, control panels
Automotive Systems
Typical Range: 14-20 AWG
Key Requirements: Temperature resistance, vibration tolerance, chemical resistance
Standards: SAE J1128, ISO 6722, USCAR-2
Common Uses: Engine harnesses, lighting, battery connections
Complete AWG Reference Table
AWG Diameter (mm) Diameter (in) Area (mm²) Resistance (Ω/km) Max Current (A)

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