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.

RFQ preparation

Prepare files before quote review

Use these tools to organize manufacturing requirements, file readiness, BOM data, and engineering notes before contacting the team.

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