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# System prepended metadata

title: KPOINT

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# KPOINT
specify the Bloch vectors (k-points) that will be used to sample the Brillouin zone in your calculation
VASP version >= 5.2.12 not required to provide a KPOINTS file
determined by the **KSPACING** tag in the **INCAR** file (or by its default value) instead

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# Three modes to specify the k-points
1.  Rk length
2.  Monkhorst-Pack
3. generalized regular grids

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# Rk length
![](https://i.imgur.com/iaGvi5L.jpg)
offered by the KSPACING tag

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# Generalized regular grids
![](https://i.imgur.com/mmukaJl.png)
![](https://i.imgur.com/M18sav1.jpg)

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# Monkhorst-Pack
![](https://i.imgur.com/1bx1Gnk.jpg)

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# Monkhorst-Pack 取值方法
![](https://i.imgur.com/JBlKawo.jpg)

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# Monkhorst-Pack 取值方法
![](https://i.imgur.com/SfoIXsF.jpg)

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# VASPKIT(非正交體系)
![](https://i.imgur.com/KsYsBgl.jpg)
![](https://i.imgur.com/mM8zXMb.jpg)