Green Water Footprint Calculator
Calculate green water footprint - the rainwater stored in soil and used by crops through evapotranspiration.
Land & Precipitation Data
Percentage of rainfall used by crops
Crop & Evapotranspiration
Green Water Volume
5,600 m3/year
0.560 m3/m2
Effective Rainfall
560 mm
Crop ET
575 mm
Water Deficit
15 mm
Water Surplus
0 mm
Green Water Efficiency
97% of crop water needs met by rainfall
Additional irrigation of 15 mm may be needed
About Green Water
Green water is precipitation stored in soil and used by plants through evapotranspiration. It is crucial for rainfed agriculture and natural ecosystems, representing the largest freshwater flow on land.