Tools / PCB Design Helpers

PCB Design Helpers

Trace impedance calculators and PCB design utilities

Global Board Configuration

Set your board specifications and preferred units. These will automatically populate all calculators below.

Board Specifications

Common: FR4 = 4.3, Rogers 4003 = 3.38
1oz copper = 0.035mm = 1.4 mils
Core/prepreg thickness

Calculation Preferences

What parameter to calculate
Reference impedance (Ω)

Quick Actions

Microstrip Trace Impedance

Calculate parameters for traces on the surface of a PCB with ground plane below.

Ground Plane Dielectric (εᵣ) W H T
Characteristic Impedance (Ω)
Configure parameters above

Stripline Trace Impedance

Calculate parameters for traces embedded between two ground planes.

Ground Plane Dielectric (εᵣ) Ground Plane W H T
Characteristic Impedance (Ω)
Configure parameters above

Differential Pair Impedance

Calculate parameters for coupled microstrip traces.

Ground Plane Dielectric (εᵣ) W W S H T
Differential Impedance (Ω)
Configure parameters above
Single-Ended Impedance (Ω)
Configure parameters above