Wire Size Calculators
These wire size calculator tools cover wire gauge and diameter, cable size and length, nichrome wire, and conductor volume.
Cable Length Calculator
This cable length calculator finds the length of a conductor from its measured resistance and cross-sectional…
Open calculator Wire SizeVolume of a Conductor Calculator
This volume of a conductor calculator finds the volume of a wire or busbar from its…
Open calculator Wire SizeCable Size Calculator
This cable size calculator finds the conductor cross-section needed to keep the voltage drop within a…
Open calculator Wire SizeWire Diameter Calculator
This wire diameter calculator finds a conductor’s diameter from its cross-sectional area, or from its AWG…
Open calculator Wire SizeNichrome Wire Calculator
This nichrome wire calculator finds the resistance of a length of nichrome, or the length needed…
Open calculator Wire SizeWire Gauge Calculator
This wire gauge calculator converts American Wire Gauge (AWG) to diameter and cross-sectional area, and shows…
Open calculatorAbout Wire Size Calculators
These wire size calculator tools cover wire gauge and diameter, cable size and length, nichrome wire, and conductor volume. Choose a tool below for an instant result with the formula and a worked example.
Correct conductor sizing keeps wiring safe and efficient. These tools link current, gauge, and length so you can pick the right wire and estimate material quickly.
Calculators in this category
- Wire Gauge Calculator
- Wire Diameter Calculator
- Nichrome Wire Calculator
- Cable Size Calculator
- Cable Length Calculator
- Volume of a Conductor Calculator
Frequently Asked Questions
What can I calculate for wiring?
Wire gauge, wire diameter, cable size and length, nichrome wire length, and the volume of a conductor. Each tool covers one task with its formula.
Are these tools free to use?
Yes. Every calculator on this page is free, needs no signup, and works in your browser on mobile and desktop.
Do the tools show how gauge is worked out?
Yes. Each page states the equation, defines the inputs, and includes a numeric example so you can check the answer.