PCB Trace Width Calculator
PCB Trace Width Calculator: Use our professional-grade electronics tool to calculate complex results accurately and instantly. Fast, secure, and 100% free
PCB Trace Width Calculator
Calculate the minimum PCB trace width for external and internal board layers based on IPC-2221 guidelines for a given current load and target temperature rise.
A
°C
Required Minimum Trace Width
43.8
mils
IPC-2221 Compliant
Trace Width (mm)
1.11 mm
Cross-Sectional Area
60.3 mil²
Copper Thickness
1.38 mils
Mathematical Formula (IPC-2221)
PCB Thermal Design Insights
How to Use This Tool in 3 Steps
1
Enter Your Data
Provide the input values, text, or configuration in the interactive workspace above.
2
Real-Time Results
The tool will process your input instantly. You can see the results update as you type.
3
Analyze or Copy
Once satisfied with the result, copy the data or analysis directly from the results panel.
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