<div dir="ltr">Dear <span style="color:rgb(0,0,0);white-space:pre-wrap">Jiale Shen</span><div><span style="color:rgb(0,0,0);white-space:pre-wrap">If i understand your question correctly you are asking why the following k-point values neither matches 1/A nor 2*pi/A. ?</span></div><div><span style="color:rgb(52,53,65);font-family:Söhne,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Cantarell,"Noto Sans",sans-serif,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:16px;white-space:pre-wrap">k-vaspkit          k-vasprun.xml        k-QE
1/A                   2pi/A                 ?
0                       0                        0
0.019                0.00302              0.0174
0.038                0.00605              0.0347
0.05699            0.00907              0.0521
0.07599            0.01209              0.0694
0.09499            0.01512              0.0868
0.11399            0.01814              0.1042
0.13299            0.02117              0.1215
0.15198            0.02419              0.1389
0.17098            0.02721              0.1562
0.18998            0.03024              0.1736
0.20898            0.03326              0.191
0.22798            0.03628              0.2083
0.24697            0.03931              0.2257
0.26597            0.04233              0.243.</span> </div><div> check your  scf input file whether atom positions are given in cartesian coordinates. If this is correct then what you have here in the 3rd column is the magnitude of the k-vector given in 1/A units and not necessarily the same as your first column. If you have used the atom positions of both VASP and QE using the same units then these k-points will match. <span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div>Regards</div><div>Ramesh Kumar</div><div>Assistant Professor</div><div>GITAM University, India</div></div>