RL Time Constant
Calculate RL Time Constant instantly with the exact formula and a worked example. Free online calculator — no signup.
RL Time Constant
L, H
R, Ω
τ (time constant)
0.01s
τ
0,01 s
5τ (to 99%)
0,05 s
More about: RL Time Constant
What it calculates
The “RL Time Constant” calculator computes τ (time constant) in s from 2 parameters: l, h, r, ω.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters L, H = 0.1, R, Ω = 10 the result is 0.01 s (τ = L/R).
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.