https://www.efunda.com/units/convert_units.cfm?From=190&mrn=8159.99984741
eFunda: Convert kilogram per cubic meter to other Density units
eFunda: Convert kilogram per cubic meter to other Density units
per cubic meterefundaconvertkilogramdensity
https://archive.ourworldindata.org/20260729-153957/grapher/water-productivity.html
Water productivity, GDP per cubic meter of freshwater withdrawal | Our World in Data
Water productivity is calculated as total gross domestic product (GDP), measured in constant 2015 US$ divided by annual total water withdrawal.
per cubic meterfreshwater withdrawalour worldproductivitygdp