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トレース幅計算機

IPC-2221規格に従って最適なトレース幅を計算します

PCB電流計算機

PCBトレースの最大電流容量を決定します

PCBビア電流計算機

IPC-2152規格に基づいてPCBビアの最大電流容量を計算します

オンラインインピーダンス計算機

マイクロストリップおよびストリップライン構成のPCB配線インピーダンスを計算

差動ペア・インピーダンス計算機

配線形状、間隔、誘電体条件から microstrip / stripline 差動ペアのインピーダンスを見積もります。

PCBスタックアッププランナー

基板厚み、銅配分、初期スタックアップ条件を見積もり、PCB製造とインピーダンス検討に役立てます。

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