Engineering Calculators & Tools

Professional PCB design tools to help you calculate trace width, current capacity, impedance, and more.

Power & current planning

Trace width, current carrying capacity, and via current tools help engineers size copper and interconnects before fabrication.

Signal integrity support

Use single-ended and differential impedance tools to estimate routing constraints before final stackup review.

Stackup & manufacturing guidance

Use material and stackup planning tools to move from rough assumptions toward manufacturable PCB decisions.

Recommended

Start with these core PCB tools

These are the highest-value calculators and planning tools for routing, current, stackup, via sizing, and impedance review.

PCB线宽计算器

根据IPC-2221标准计算最佳线宽

PCB电流计算器

确定PCB线路的最大电流容量

PCB过孔电流计算器

基于IPC-2152标准计算PCB过孔的最大电流承载能力

在线阻抗计算器

计算 Microstrip 和 Stripline 配置的 PCB 走线阻抗

差分对阻抗计算器

根据线宽、线距和介质参数估算 microstrip 与 stripline 差分对阻抗。

PCB 叠层规划工具

用于估算板厚、铜分布以及早期叠层参数,辅助 PCB 制造与阻抗评审。

Power & current tools

Signal integrity & materials

Need more than a calculator?

These tools are best used as engineering estimates. Final routing, stackup, copper weight, controlled impedance, drilling, and manufacturability decisions should still be reviewed against real fabrication capability.

  • • Use calculators early to size traces, vias, pair spacing, and stackup targets
  • • Validate assumptions with fabrication stackup and manufacturing limits
  • • Contact engineering when current, impedance, or reliability requirements are tight