Q-Value Calculator (QCalc)

QCalc calculates Q-values for nuclear reactions or decay.
It uses mass values from the 2020 Atomic Mass Evaluation by M. Wang et al .

[mass][symbol]
ex. 235U, 40ca, 35CL
[mass][symbol]
ex. 235U, 40ca, 35CL
[mass][symbol]
ex. 18o, 6He
[mass][symbol]
ex. 235U, 40ca, 35CL
ex. 3H, 4He, 16o
g, nn, nn+p, 2nn+a, 2a+12c