AboutPrivacy-policyTerms-conditionsFaqContact

    AWG Wire Size Calculator: Convert & Compare Wire Gauge Standards

    Created by Md jony islam

    How to convert awg to mm calculator

    Calculate wire sizes using American Wire Gauge (AWG) standards. Convert between AWG, diameter, and cross-sectional area for electrical and electronics applications. An AWG Conversion Calculator operates as a precise engineering instrument which transforms American Wire Gauge specifications into metric values through the equation D(mm) = 0.127 × 92((36-n)/39). The value n represents AWG number. Professional electricians depend on this calculator to achieve wire gauge conversions as well as diameter and cross-sectional area conversions for selecting appropriate wires that meet current capacity and voltage requirements. The tool supports standard as well as metric units enabling its essential use for worldwide electrical projects that require code compliance.

    wire gauge diameter calculator

    AWG Wire Calculator

    Results

    Diameter

    -

    Cross-sectional Area

    -

    Current Rating

    -

    Resistance

    -

    Wire Properties

    Maximum Frequency Use

    -

    Typical Applications

    -

    Calculation History

    Learn how we tools this below

    Add this tools to your site

    Buy me a for Source Code

    🙋 Try our Watts To Wh Calculator . If you want to learn more about conversions using Electrical Engineering Project Calculators.

    What do you need to know to calculate AWG Wire Size?

    The specialized tool named AWG conversion calculator enables electricians as well as technicians, and engineers to switch between various wire measurement systems. The calculator enables users to make exact AWG-to-metric conversions between wire size notation and square millimeter area size and circular mil area size. Each AWG formula includes standardized mathematical relationships between gauge numbers, which correspond to particular wire diameter measures. Larger gauge numbers denote smaller wire diameters. Electricians must use this tool for installing electricity while working on electronic components and choosing wires to achieve accurate calculations for current capacity and voltage drop. The tool serves to identify specifications of wires for use in both tiny electronic items and extensive power distribution networks. The calculator analyzes three crucial aspects that include conductor material, which usually includes copper or aluminum, alongside insulation specifications and current handling abilities. The calculator serves to assist professionals in code and standard compliance during wire size selections for their specific application requirements. The converter serves its purpose best in international projects because it prevents wire selection mistakes affecting system performance or safety when American and metric standards need conversion.

    Suggested Reading

    Frequently Asked Questions - AWG Conversion FAQs:

    How do you calculate AWG wire size?

    AWG (the American Wire Gauge) is an American standard system used for measuring the diameter of round, solid, nonferrous, electrically conducting wire in the U.S. AWG is figured based on a logarithmic scale: doubling or halving the wire’s cross-sectional area can be obtained with each 6-gauge change. The smaller the AWG number, the thicker the wires are, and the higher the number is the thinner the wires are. For instance, 10 AWG is bigger than 20 AWG. It’s widely used in electrical wiring, electronics, and cabling.

    What is 1.5 mm² wire in AWG?

    A 1.5 mm² cross-sectional wire is about 15 AWG in American Wire Gauge. This size is often used in low-power circuits and is standardized in many countries for lighting and small appliances. The precise conversion isn’t ideal because there are two differing scales (metric vs imperial), but 15 AWG is a nice approximation for most purposes.

    What is 42 AWG wire in mm?

    Wire 42 AWG has an extremely thin diameter of about 0.0635 mm (or 63.5 microns). Compared with that of coarser wire, the output of this ultra-fine wire tends to be used in areas such as microelectronics, fine coil winding, or other types of sensitive instrumentation. Given such a size, it takes precise engineering because the wire is thinner than a human’s hair and very easy to damage if mishandled.

    Why does AWG size matter in electrical work?

    A direct impact of AWG size has on electrical resistance from wire, current capacity, and voltage drop. A thicker wire (lower AWG) will be able to carry more current without damage, and it is used for high-power consumption devices. A thinner (higher AWG), on the other hand, is suitable for low power needs or as carriers of signals. The proper gauge selection is key to avoiding overheating, loss of energy, and safety issues in both residential and industrial electrical systems.

    How do metric wire sizes compare to AWG?

    Metric wire sizes (mm or mm²) and AWG sizes differ from each other, but charts are available that can be used to convert from one value to the other. For instance, 0.5 mm² is approximately 20 AWG, 1 mm² is approximately 17 AWG, and 2.5 mm² is around 13 AWG. When changing from metric to AWG systems, electricians and engineers frequently refer to conversion charts or calculators to calculate wire sizes when the transition between international or mixed systems is required.

    You may like these posts

    About the Author

    Md Jony Islam

    Md Jony Islam: Multidisciplinary Engineer & Financial Expert:

    Md. Jony Islam is a highly skilled professional with expertise in electronics, electrical, mechanical, and civil engineering, as well as finance. Specializing in transformer service and maintenance for 33/11kV substations, he ensures reliable and efficient electrical systems. His mechanical engineering skills drive innovative designs, while his financial acumen supports effective project budgeting. With a strong foundation in civil engineering, he contributes to robust infrastructure development. Md. Jony Islam's multidisciplinary approach ensures efficiency, quality, and reliability across all projects.