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PropertyValue
URLhttps://www.southwire.com/calculator-vdrop
Last Crawled2026-04-14 14:39:09 (6 days ago)
First Indexed2019-03-13 01:43:22 (7 years ago)
HTTP Status Code200
Meta TitleVoltage Drop Calculator | Southwire
Meta Descriptionnull
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Boilerpipe Text
Helps determine the proper wire size for an electrical circuit based on the voltage drop and current carrying capacity of an electrical circuit. Calculate Your Voltage Drop Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. When sizing conductors, calculations limits wire size to voltage drop and NEC ampacity. Southwire's Re 3 TM Voltage Drop Calculator is designed for applications using AWG and KCMIL sizes only. How to calculate voltage drop, you ask? Download our mobile apps or enter your values in the web calculator below! MC AP  ® Cost Calculator Quickly and easily illustrates the potential labor cost savings when using MC AP®   cable in place of traditional MC cable. Learn More Re 3 TM Conduit Fill Calculator Conduit Fill is the percent of area inside the conduit taken up by the cables. Provides quick and easy results for the conduit fill percent, per NEC ® guidelines. Learn More SIM pull   ® Cable Pull Calculator Helps to estimate and manage cable installation projects. Provides the ability to alter data that indicates tension or sidewall pressure. Learn More
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Voltage Drop Calculator ## Calculate Your Voltage Drop Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. When sizing conductors, calculations limits wire size to voltage drop and NEC ampacity. Southwire's Re3TM Voltage Drop Calculator is designed for applications using AWG and KCMIL sizes only. How to calculate voltage drop, you ask? Download our mobile apps or enter your values in the web calculator below\! ### Download for Mobile [Android](https://play.google.com/store/apps/details?id=com.southwire.voltageDrop) [iOS](https://itunes.apple.com/us/app/southwire-voltage-drop-calc/id440338420) ![MC\<sup\>\<span style='font-style: italic;font-weight:bold;'\>AP\</span\> ®\</sup\> Cost Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### MCAP ® Cost Calculator Quickly and easily illustrates the potential labor cost savings when using MCAP® cable in place of traditional MC cable. [Learn More](https://www.southwire.com/calculator-mcap) ![Re\<sup\>3\<small\>\<small\>TM\</small\>\</small\>\</sup\> Conduit Fill Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### Re3TM Conduit Fill Calculator Conduit Fill is the percent of area inside the conduit taken up by the cables. Provides quick and easy results for the conduit fill percent, per NEC® guidelines. [Learn More](https://www.southwire.com/calculator-conduit) ![SIM\<span style='font-style: italic;font-weight:bold;'\>pull\</span\> \<sup\>®\</sup\> Cable Pull Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### SIMpull ® Cable Pull Calculator Helps to estimate and manage cable installation projects. Provides the ability to alter data that indicates tension or sidewall pressure. [Learn More](https://www.southwire.com/calculator-simpull) [Help us improve — click here to go suggest changes or new features.](https://www.southwire.com/calculators/calculator-suggestion-form) [![](https://www.southwire.com/medias/2601-SW-Header-Footer-Logo-White-edit-Skewwed.png?context=bWFzdGVyfGltYWdlc3wzNzM1MHxpbWFnZS9wbmd8aDRlL2g3NC85NTM0MDM3ODUyMTkwLzI2MDFfU1dfSGVhZGVyX0Zvb3Rlcl9Mb2dvX1doaXRlX2VkaXRfU2tld3dlZC5wbmd8MzQ1MGExN2UyM2M3MzY1MDc2ODQzNjlhYjhmMjJmMWI3N2VjZjI2ZmQyYmU1ZWQxZDBmMTgxYmVmZTZjYTRlYg)](https://www.southwire.com/ "Southwire") [Products](https://www.southwire.com/categories) [Where to Buy](https://www.southwire.com/where-to-buy) [Ordering](https://www.southwire.com/ordering) [Resources](https://www.southwire.com/resources) [About](https://www.southwire.com/about-us) [Sustainability](https://www.southwire.com/sustainability) [Join Our Team](https://careers.southwire.com/) [Contact Us](https://www.southwire.com/contact-us) [Southwire Patents](https://www.southwire.com/patents) [Recalls](https://www.southwire.com/recalls) [Website Terms of Use](https://www.southwire.com/terms-of-use) [Privacy Policy](https://www.southwire.com/privacy-policy) [CA Notice at Collection](https://www.southwire.com/privacy-policy#notice9) [Your Privacy Choices](https://www.southwire.com/manage-cookies) [CA Supply Chain Act](https://www.southwire.com/medias/California-Supply-Chain-Act-Disclosure-43015.pdf?context=bWFzdGVyfHBkZnN8NDM0NzF8YXBwbGljYXRpb24vcGRmfHBkZnMvaDUxL2hmOC84ODc2ODk5MjA1MTUwLnBkZnw5MWEyOGIzYTc5MjE2NmExNGMxNDRmMmFlMmFlNGUxMjc5MGRjMzQyMTY4MTJiOGZlNjdjZWUyNjVmYzg0MzBj) [Submit Product Idea](https://www.southwire.com/southwire-idea-center) [Available on the App Store](https://itunes.apple.com/us/developer/southwire-company/id440338423 "Available on the App Store") [Get it on Google Play](https://play.google.com/store/apps/developer?id=Southwire+Company "Get it on Google Play") © 2026 Southwire Company, LLC. 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Readable Markdown
Helps determine the proper wire size for an electrical circuit based on the voltage drop and current carrying capacity of an electrical circuit. ## Calculate Your Voltage Drop Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. When sizing conductors, calculations limits wire size to voltage drop and NEC ampacity. Southwire's Re3TM Voltage Drop Calculator is designed for applications using AWG and KCMIL sizes only. How to calculate voltage drop, you ask? Download our mobile apps or enter your values in the web calculator below\! ![MC\<sup\>\<span style='font-style: italic;font-weight:bold;'\>AP\</span\> ®\</sup\> Cost Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### MCAP ® Cost Calculator Quickly and easily illustrates the potential labor cost savings when using MCAP® cable in place of traditional MC cable. [Learn More](https://www.southwire.com/calculator-mcap) ![Re\<sup\>3\<small\>\<small\>TM\</small\>\</small\>\</sup\> Conduit Fill Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### Re3TM Conduit Fill Calculator Conduit Fill is the percent of area inside the conduit taken up by the cables. Provides quick and easy results for the conduit fill percent, per NEC® guidelines. [Learn More](https://www.southwire.com/calculator-conduit) ![SIM\<span style='font-style: italic;font-weight:bold;'\>pull\</span\> \<sup\>®\</sup\> Cable Pull Calculator](https://www.southwire.com/medias/resources-calculators.png?context=bWFzdGVyfGltYWdlc3wxNjkxOHxpbWFnZS9wbmd8aW1hZ2VzL2gwMy9oZjQvODkxMDE1MzQ0OTUwMi5wbmd8NDkzYmVlNDQxN2I4MWEzYjAzM2E3ODM4ZTI1NmEzMTNkYzhhNTA1N2VhZmVhOTRjNDIzN2U5ZjdiMjQ0NjYyYQ) #### SIMpull ® Cable Pull Calculator Helps to estimate and manage cable installation projects. Provides the ability to alter data that indicates tension or sidewall pressure. [Learn More](https://www.southwire.com/calculator-simpull)
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