1 kpa is equal to how many mmwc?
The answer is 0.00980665. We assume you are converting between kilopascal and water column [millimeter]. You can view more details on each measurement unit: kPa or water column [millimeter] The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.001 kPa, or 0.10197162129779 water column [millimeter].