RL Time Constant
Calculate RL Time Constant instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
RL Time Constant
L, mH
R, Ω
τ (time constant)
0.001s
More about: RL Time Constant
What it calculates
The “RL Time Constant” calculator computes τ (time constant) in s from 2 parameters: l, mh, r, ω.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters L, mH = 100, R, Ω = 100 the result is 0.001 s.
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.