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Ensure accuracy and consistency with a PCB trace width calculator

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Calculating Your Estimate

One of the most important features of any PCB project is trace width, which refers to the measurement of the electrical conductors. The right trace width means you will not only have the correct amount of current, but your printed circuit board will not overheat. A trace width calculator can help you make those estimations. Also, keep in mind that a higher current means a thicker trace, and thicker copper can allow for a thinner trace. Disclaimer: It’s also important to remember that these calculators are just estimates, and they may not be appropriate for every project. Contact the PCB experts at Cirexx today for more information.

Trace Width Calculator

Inputs

Current		Amps
Thickness

Optional Inputs

Temperature Rise
Ambient Temperature
Trace Length

Results for Internal Layers

Required Trace Width
Resistance		Ohms
Voltage Drop		Volts
Power Loss		Watts

Results for External Layers

Required Trace Width
Resistance		Ohms
Voltage Drop		Volts
Power Loss		Watts

Cirexx’s Trace Width Calculator is used to evaluate temperature rise, ambient temperature, and trace length for a standard PCB design. We have created this tool in compliance with IPC standards, and though the calculations are accurate, the results are not guaranteed and should be taken as estimated values. Please note that the calculations may not be appropriate for all types of PCBs. Additionally, Cirexx isn’t responsible or liable for any problem or issue that may result from using this tool.

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How the Trace Width is Calculated

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