PCB Stackup Planner
Estimate board thickness, copper distribution, and early stackup planning values for PCB fabrication and impedance review.
PCB Stackup Planner
Plan approximate board thickness, copper distribution, and early impedance-oriented stackup assumptions before final fabrication review.
When to use this tool
Use it to estimate board thickness and copper distribution before sending requirements to your PCB manufacturer.
Use it to frame an early discussion around dielectric thickness, target impedance, and routing constraints.
Use it when preparing a more structured RFQ with target thickness, copper assumptions, and layer-count intent.
Planning notes
• This tool is for early stackup planning, not final fabrication approval.
• Real stackups depend on available laminate combinations, prepreg styles, copper foil options, and manufacturing capability.
• Controlled impedance and finished thickness should always be confirmed against your final fabricator stackup.
Related resources & next steps
Move from rough stackup planning into single-ended impedance estimation.
Check differential routing assumptions after defining a preliminary stackup direction.
Review material assumptions before locking dielectric and impedance targets.
Turn early stackup assumptions into a fabrication-ready review with your PCB manufacturer.
Send target layer count, finished thickness, copper assumptions, and impedance goals to engineering.
Frequently Asked Questions
Can I use this planner as the final stackup specification?
No. Treat it as an engineering planning tool. Final stackup, thickness, and impedance values should be confirmed with your PCB manufacturer using real laminate combinations and fabrication tolerances.
Why doesn’t the estimated thickness perfectly match a real production stackup?
Real PCB thickness depends on laminate availability, resin content, copper roughness, press-out behavior, solder mask, and fabrication capability. This planner only gives a directional estimate.
When should I move from this planner to a manufacturer review?
As soon as thickness, impedance, or copper assumptions affect routing decisions or quote readiness, move to a manufacturer review so the stackup can be validated against real production options.
Need help turning an early stackup idea into a manufacturable PCB build?
We can help review layer count, finished thickness, copper choices, and impedance constraints before you lock the fabrication stackup.