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ICalc estimates of irrigation requirements for a range of crops across many locations in Queensland. The program uses daily rainfall, evapotranspiration data, crop factors and irrigation efficiency in its calculations.

Irrigation requirement = (Crop water requirement – rainfall) / Irrigation efficiency

The program includes detailed notes showing the various screen layouts to allow you to get the most out of the program.

How do I get a copy?

Download ICalc (2MB)

1. Click on the link above and save the file to your computer.
2. A new folder will be created “ICInstall”.
3. Run the file “ICInstall.exe” in this folder and follow the prompts.