Reaction Rate Constant (k)
Calculate Reaction Rate Constant (k) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Reaction Rate Constant (k)
Pre-exp.
Ea, kJ/mol
T, K
k (Arrhenius)
17.1982
More about: Reaction Rate Constant (k)
What it calculates
The “Reaction Rate Constant (k)” calculator computes k (Arrhenius) from 3 parameters: pre-exp., ea, kj/mol, t, k.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Pre-exp. = 10,000,000,000, Ea, kJ/mol = 50, T, K = 298 the result is 17.2.
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.
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