# Cloud Units

Cloud units are the basis for buying & selling capacity on the ThreeFold Grid (for more info see here).

- 1 CU = 1 compute unit
- 1 SU = 1 storage unit
- 1 NU = 1 network unit


References:
- Cloud units the the building slice for any Cloud / IT workload.  See definition [here](https://library.threefold.me/info/threefold#/tfgrid/farming/threefold__resource_units_calc_cloudunits)
- Cloud units are also used to determine commercial pricing for utilisation.  See definition [here](https://library.threefold.me/info/threefold#/cloud/threefold__pricing?id=discount-levels)
- Low level primitive [cloud functions](https://library.threefold.me/info/threefold/#/technology/threefold__tfgrid_primitives)