PCB Trace Width
Calculate PCB Trace Width instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
PCB Trace Width
Current, A
ΔT °C
Width, mm
2.5022
More about: PCB Trace Width
What it calculates
The “PCB Trace Width” calculator computes Width, mm from 2 parameters: current, a, δt °c.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Current, A = 5, ΔT °C = 20 the result is 2.5.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.