Arrhenius Equation

k = rate constant
A = pre-exponential factor
E_a = activation energy (in the same units as R*T)
R = universal gas constant
T = absolute temperature (in Kelvin)

Calculation of Rate Constant

(in SI units)

Enter the value of A:
Enter the value of E_a (in Joule):
Enter the value of T (in Kelvin):

Rate Constant:

Calculate Clear

Calculation of Activation Energy

(in SI units)

Enter the value of k:
Enter the value of A:
Enter the value of T (in Kelvin):

Activation Energy:

Calculate Clear