Wire Sizing Calculator

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Wire Size Calculator – EXPLORIST.life

This calculator does NOT supersede manufacturers’ recommendations. Always read and follow the manufacturer’s recommended wire and fuse sizes when provided.

This calculator is set up to be used with high-quality stranded wire with a 105 degree C temperature rating only.

This calculator is for DC circuits only and is NOT to be used to size 120V or 240V AC circuits.

Amps

Amps After Derating

Voltage

Length

Is this wire installed in an engine compartment?

Yes

Voltage Drop (%)

Show Additional Voltage Drop Info

Unless you otherwise know why leave the allowable voltage drop at 3%.

ABYC specifies a max of 3% voltage drop for all critical loads and up to 10% voltage drop for all non-critical loads.

Starting Voltage

Ending Voltage

Circular Mils

RESULTS

Recommended Wire Size

Show Additional Fuse Size Recommendations

Show Fuse Sizing Recommendations

Minimum Fuse Size

Recommended Fuse Size

Wire Max Capacity (Before Derating) Hidden

Max Wire Capacity

Max Fuse Size

Wire Buying Guide

Product	Wire Size	Type
16 AWG Red Wire	16 AWG	Red Wire
16 AWG Black Wire	16 AWG	Black Wire
16 AWG Duplex Wire	16 AWG	Duplex Wire
14 AWG Red Wire	14 AWG	Red Wire
14 AWG Black Wire	14 AWG	Black Wire
14 AWG Duplex Wire	14 AWG	Duplex Wire
14 AWG Triplex Wire	14 AWG	Triplex Wire
12 AWG Red Wire	12 AWG	Red Wire
12 AWG Black Wire	12 AWG	Black Wire
12 AWG Red Solar Wire	12 AWG	Red Solar Wire
12 AWG Black Solar Wire	12 AWG	Black Solar Wire
12 AWG Duplex Wire	12 AWG	Duplex Wire
12 AWG Triplex Wire	12 AWG	Triplex Wire
10 AWG Red Wire	10 AWG	Red Wire
10 AWG Black Wire	10 AWG	Black Wire
10 AWG Red Solar Wire	10 AWG	Red Solar Wire
10 AWG Black Solar Wire	10 AWG	Black Solar Wire
10 AWG Duplex Wire	10 AWG	Duplex Wire
10 AWG Triplex Wire	10 AWG	Triplex Wire
8 AWG Red Wire	8 AWG	Red Wire
8 AWG Black Wire	8 AWG	Black Wire
8 AWG Duplex Wire	8 AWG	Duplex Wire
6 AWG Red Wire	6 AWG	Red Wire
6 AWG Black Wire	6 AWG	Black Wire
6 AWG Duplex Wire	6 AWG	Duplex Wire
6 AWG Triplex Wire	6 AWG	Triplex Wire
6 AWG 4-Conductor Wire	6 AWG	4-Conductor Wire
4 AWG Red Wire	4 AWG	Red Wire
4 AWG Black Wire	4 AWG	Black Wire
2 AWG Red Wire	2 AWG	Red Wire
2 AWG Black Wire	2 AWG	Black Wire
1/0 Red Wire	1/0	Red Wire
1/0 Black Wire	1/0	Black Wire
2/0 Red Wire	2/0	Red Wire
2/0 Black Wire	2/0	Black Wire
3/0 Red Wire	3/0	Red Wire
3/0 Black Wire	3/0	Black Wire
4/0 Red Wire	4/0	Red Wire
4/0 Black Wire	4/0	Black Wire

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Nate Yarbrough

Nate Yarbrough specializes in teaching people how to build DIY Campers. Since 2018, Nate has focused on DIY Solar Electrical Systems to bring more user-friendly information to the general public. Nate is a brand ambassador and trainer for Victron Energy and Battle Born Batteries, with whom he partners in order to create simple-to-follow tutorials for the DIY Solar Electrical user. Nate and his wife, Steph, built out their own 2007 Sprinter into a campervan, which they then lived in with their two dogs for 4 years. They have since moved to Steamboat Springs, Colorado, where they continue to create tutorials for the vanlife DIYer, while enjoying the beauty of nature by hiking, biking, skiing, and horseback riding in the mountains.

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SHOP ELECTRICAL SYSTEMS NOW

The EXPLORIST.life shop has everything you need for your DIY camper electrical upgrade, retrofit, or complete system.

Wire Sizing Calculator

RESULTS

Wire Buying Guide

Nate Yarbrough

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Wire Sizing Calculator

RESULTS

Wire Buying Guide

Nate Yarbrough

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weekly newsletter